Webasto RV Catalog 2026-27 EN

Reliable comfort without limits Recreational Vehicles Catalog

2026/27

Table of contents

6 8

Welcome to Webasto RV 

We are here to develop your business

Heating products 

12 14 40

Heating solutions

Main accessories for heating systems

Hybrid and gas-only solutions 

79

Cooling solutions 

87 88 96

A/C systems Refrigeration

Webasto subsidiaries and representatives 

122

Abbreviations 

125

Note: Not all products are available in each country.

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Dear customers and partners,

We develop intelligent products around the Webasto advanced core technologies and integrate them into large and innovative comfort solutions for every recreational vehicle: this is the vision we have been aiming at for years and which is still the base of our product roadmaps today. Since the RV market is going more and more towards more compact vehicles and the coming stricter EU regulations will limit further the payload, Webasto solutions are getting even more attractive as they can contribute quite significantly to the reduction of weight and to safe space in the inner cabin. Looking back, we are proud to have been the first supplier to introduce diesel technology into the RV market more than 15 years ago, and to have provided OEMs with the opportunity to build totally gas-free vehicles. Since then, we have continuously improved our products to increase the level of on-board comfort and autonomy. Our gas-free solutions or hybrid solutions (cabin air heating with diesel + water heating on gas) both bring outstanding savings when it comes to weight (less gas on board) and inner space (smaller gas tanks, underfloor mounting

of our products). Our Range Plus kit, including a fuel-powered air heater and a fuel tank (HVO-ready), extends the range of E-Vans under cold conditions and ensures warm interiors, creating new possibilities for electric RV. More recently, we highlighted the benefits of new, ultra-silent and high-performance refrigeration compressor technology for our customers. As a result, for example, happy caravan owners enjoy large innovative drawer fridges and the pleasure of having ice or cold drinks even in extremely hot climate conditions. Besides the well-known Freeline 115 Elegance and Freeline Slim 140, customers can profit from the two fridges Freeline Slim 70 and Freeline Slim 90. Both products are the lowest-power-consumption fridges on the market in this size and being slim and tall offers a great option for small vans where interior layout is challenging. Additionally having the space constraints of compact vehicles in mind, Webasto offers some special shaped products like BI 16 and BI 30 including updated verisons of BI 29 Dual, BI 36 and BI 41 Dual – top loading cooling boxes.

Our continous commitment in the development of new technologies drives us, bringing new ideas and keeping all of our customers satisfied. Air-conditioning is one of the core competences at Webasto. With the BlueCool Drive 40, we bring a powerful air-conditioning product which provides also cold air to the rear passengers while driving. To protect the environment in the best possible way, Webasto attaches great importance to making its products as sustainable as possible. One contribution to this is the conversion of its Cool Top Trail rooftop air-conditioning systems to the refrigerant R32. Therefore, all sizes of the air-conditioning unit are now available with the gas named the ‘G series’. Innovation should translate into beneficial features and great ease of use, not only of our products but also of all peripheral sales and application tools which make your life easier in installing and maintaining our products. Please register on our dealer portals and gain exclusive access to our extensive training programmes (online or on site) with the ultimate goal to be part of our network and

to help you develop new sales potentials. RV is our passion. Just as it is yours. We hope that this catalog assists you with your season and if you do have any suggestions or feedback, please do not hesitate to let us know. We look forward to enjoying a new motorhome and caravan season with you.

Enjoy more comfort. Enjoy more independence. Enjoy more Webasto. Your Webasto RV Team

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Welcome to Webasto RV Our highlights

This catalog provides you with detailed information on our core products as well as our added-value accessories for the RV market. Thus, you can build safe applications and deliver fast and professional assistance to your customers. Here you can find an extract of our latest product innovations:

CR 226 Total Black

CI-BUS Interface

DR 85 INOX Clean Touch DR 130 INOX Clean Touch

Thermo Top Evo Smart

Cool Top Trail 28VN and 36VN

More compact overall dimensions of indoor unit, only 36 mm high Cold air outlets in all 4 directions, airflow may be adjusted as needed Weight saving of outdoor unit and indoor unit combined up to 4kg Reliable operation while driving on highways due to new blower concept CI-Bus interface is now a standard, offering an easy integration into central monitoring systems The 28VN and 36VN are ECE R10 certified which allows operation while driving



 New generation Thermo Top Evo Smart  Now available with 1.8 kW heating power in gasoline version



 Cruise 226 Total Black DC fridge freezer  Comfortable volume of 226 liters gross with 46 liters freezer compartment  Slim design  Front panel in black  Very low electrical power consumption of 648 Wh/24h  Easy-fix installation system standard for an easier on-board application  Internal LED light

 CI-BUS is a board

 Drawer 85 & 130 Inox Clean Touch to replace the old Inox versions  Comfortable volume of 85 and 130 liters gross with 15 liters freezer compartment  Stainless steel AISI 304, specially treated to prevent fingerprints  Long-lasting clean effect  Available in standard DC version, AC/DC compatibility is provided with the isotherm power pack  Improved cooling performance, improved weight, reduced power consumption and increased space/ usability  Compact and performing thanks to SECOP nano compressor technology  SMART features

management system to control devices available on motorhomes and caravans





 CI-BUS interface on

Hybrid 3

dedicated Cool Top Trail units



 CI-BUS interface on dedicated RV fridges



 Heat output 2 kW (Air Top Pro 25 + 1,35 kW Expanse water heater)

Range Plus kit

 Space-saving air distribution with only 60 mm diameter available for compact vehicles  Boiler available as gas-only or gas-electric version

 Extends the range of E-Vans under cold conditions and ensures warm interiors  Kit incl. fuel-powered air heater and fuel tank

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We are here to develop your business

Dealer portal: http://dealers.webasto.com  Easy access to complete Webasto documentation  Powerful search and download tools  Login-protected access to complete technical data and applications  Periodical product information to keep you updated on evolving product developments Webasto Service app (for installation) to download this app > scan the QR code on the left or > go to https://apps.apple.com (Apple App store) or https:// play.google.com (Google Play Store) as appropriate. To use the Webasto Service app and access the online Webasto technical documentation, scan the QR code or the barcode on your Webasto product box. Website: webasto.com  Quick and appealing product guide  International dealer portal and dealer locator  Multi-lingual access RV training programs and technical guidelines  Powerful product training, also web-based training  Regular updates on new features  Various modules adapted to audience  Important guidelines for safe application engineering  Specialized trainings can be organized on demand

RV product catalog  Main products  Scopes of delivery

 Application concepts  Specific accessories

Product catalog for heating solutions, incl. accessories  For cars, trucks, light commercial vehicle, buses, off-highway and special vehicles

Whale heating and water system products  For motorhomes and caravans  All products and accessories distributed by Webasto in continental Europe

This catalog has been designed to help you in defining a complete solution for each motorhome and caravan.

Page header indicates which part and type of information you reached within each product section: product overview, scopes of delivery, etc.

Colored highlights give you direct access to the product range.

Marketing documentation and materials  Product brochures, flyers, banners  Dealer packages  Point-of-sale material

All accessories can be found in the separate heating catalog.

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A logical vision: Rely on the energy source you already have on board

Enjoy comfort, enjoy independence In all seasons and under all weather conditions

Webasto has always prioritized the fuel of the vehicle as the most logical, readily available, main energy source. This strategy is complementary to gas – it has been working properly for decades now. And it makes full sense, especially for big energy consuming functions like cabin heating.

Since the very start of our activities in the recreational-vehicle industry, we have always focused on innovation as a main business development driver. Our vision is to ensure greater comfort and freedom with our products for motorhomes and caravans. For enjoying greater independence, all our heating systems are based on diesel. Diesel is available no matter where you go and is taken directly from the vehicle‘s fuel tank. This ensures unlimited freedom!

Our comfort solutions additionally enhance well- being atmosphere in your motorhome or caravan by providing cooled drinks or food from a fridge or travel box. With Webasto you can enjoy unforgettable moments in your motorhome and caravan. That is what we mean by ”Enjoy comfort, enjoy independence.“ That is Feel the Drive.

Long tradition Since its foundation Webasto has been a family-run company where high-performing quality products are our main purpose.

Innovative technology High investments in R&D and the continuous development of new technologies allow us to keep all our customers satisfied.

More space inside  Most Webasto heaters can be mounted outside the vehicle. This significantly increases the total storage space inside the motorhome. Less weight  In winter, on average 90% of the gas carried with the RV is needed for heating. With Webasto products you can downsize your gas stock to one single 5 kg bottle and gain up to 35 kg for additional load inside the vehicle. Perfect climate on board  Thanks to the stepless power regulation and Gasoline for continous heating. Webasto heaters manage to maintain a stable cabin temperature with a hysteresis lower than 0.40°C. This creates greater passenger comfort.

Increased fuel autonomy  Diesel fuel is standardized worldwide and almost everywhere available even in the most remote places  Precise monitoring of fuel supplies via fuel-gauge possible  No extensive procurement of gas bottles in foreign countries necessary  No adapter for foreign gas bottle connectors necessary  Heating whilst driving in any country without the need of purchasing additional security valves. Thus, enjoying a warm cabin from the very first minute on

Automotive quality from the start

Award winning products We are very grateful for the

Webasto stands for 125 years of experience and innovation in sunroofs, convertibles as well as batteries, heating, cooling and ventilation systems.

confidence our customers place in our products by voting our heating solutions as one of the best brands in the market.

2004 Webasto offers a diesel-fueled cooking solution only for RV

1985 Webasto offers heaters from other markets on the RV market

2000 Webasto goes international in the camping market

2007 Webasto offers the first gas-free solutio on the RV market

2010 Webasto offers Isotherm compressor fridges to the motorhome market

2014 Market launch of BlueCool Drive 40 climate kit, new generation of Air Top Evo 40 / 55

2019 Webasto presents the new Heat Air

2021 Webasto presents the new generation of ThermoTop Evo RV Classic

2023 Webasto presents new generation of Cool Top Trail with variable-speed-com- pressor technology

2018 Webasto presents first electrical water heater eThermo Top Eco

2026 Webasto invents Air Top Pro 25 and Air Top Go 20 made in Germany

2020 Webasto presents the new Freeline Slim 140

2025 Webasto presents the Thermo Top Evo Smart

2022 Webasto introduces the Slim 70 and 90 designed for use in RV vans

2016 Webasto introduces the Freeline 115 fridge, specially designed for use in RV vans. The Thermo Top EVO is launched in the RV market

2012 Webasto provides the complete one-stop-shop hybrid solution. Webasto offers compressor refrigerators for the caravan market

2009 Automatic altitude adjustment

1990 Webasto offers RV dedicated applications on the RV market

2006 Webasto develops heaters especially for the RV market

2018 Market launch of first RV roof-top AC unit Cool Top Trail

2002 Webasto is the first to offer underfloor heating applications

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Heating products

14

Introduction to autonomous camping

16

Which heater for which application?

17

RV-specific heater scope of delivery

20 21 22 24 26 28 30 34 35 36 38 42 32 18

Air heaters

Application concept

Advantages Air Top Pro 25 Air Top Go 20 Air Top Evo 40 Air Top Evo 55

Range Plus system

Application concept Water heaters

Advantages

Thermo Top Evo Smart

Thermo Top Evo  Thermo Pro 90

44

Main accessories for heating systems

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Introduction to autonomous camping Innovative technology for more freedom – heating with diesel

Besides the fact that you can gain more space inside the vehicle or increase your payload when heating with diesel, it provides you with more freedom and autonomy. Exactly what you need when you are on holiday and want to relax rather than wonder where to get new gas. Diesel heating is not that new anymore to the motorhome market as Webasto has been providing sophisticated solutions for years. Heating with the fuel provided by the vehicle fuel tank is the smartest way to make use of the existing fuel on board.

This enables you to reduce the overall gas consumption e.g. in winter by almoust 90 %. You can get diesel fuel anywhere whereas finding proper gas supplies might end up in some annoying hassle also due to the different gas bottles and adaptors used through-out Europe.

By heating with diesel you can benefit from

Webasto – market leader when it comes to diesel heating

Every year, Webasto produces more than 1 million fuel-operated heaters heaters for all kinds of markets: car, truck, light commercial vehicle, off-highway, special vehicle, rail, bus, recreational vehicle and marine. Quality, reliability and performance have always been our top priorities. We test our systems regularly in our own climatic test chambers against the highest quality standards, exposing them to varied and extreme temperatures and weather conditions. This enables us to adapt them perfectly to your motorhome needs.

 Carrying less gas bottles leads to an increase of payload

 Less hassle to find supplies in foreign countries  Reduced physical handling of heavy gas bottles (2 x 11 kg gas bottles can weigh up to 54 kg)  Heating whilst driving without any further expenses  Thus, enjoying a warm cabin from the very first minute of your stay

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Which heater for which application?

RV-specific demands require RV-specific heater scopes of delivery

Air Top air heaters

Thermo Top water heaters

Why should I choose an RV-specific scope of delivery? Having absolutely satisfied customers in the long term is the objective of our RV scopes of delivery. Therefore we have significant differences between the heaters and applications in the RV market compared to other markets. These differences are illustrated below:

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Very low-noise applications Noise reduction accessories that sum up to a no-noise kit like:  Specific RV fuel pumps: Operate at a very low-noise level  Exhaust, combustion and heating-air silencers reduce noise emissions significantly, ensuring peaceful nights for users and their neighbors External cabin temperature sensor is obligatory for RV applications It is a standard in all RV scopes of delivery and provides additional advantages:  Target temperature inside is reached more accurately  Using the external cabin temperature sensor triggers the heater to stop the blower in stand-by mode  In addition, the power consumption is reduced significantly Suitable for operation in high altitudes  Integrated altitude sensor in Air Top Evo heaters guarantees optimum heat output at high altitudes  Air Top Pro 25 and Air Top Go 20 are equipped with an automatic altitude functionality

Easier to handle RV scopes of delivery  Plug & Play system: ready to install  One order number for a complete kit  Reduction of purchasing and logistics efforts  New packaging logic of kits for faster and easier installation

 Supply of warm air to the cabin  Short heating-up times thanks to effective output  Available as a complete installation kit for quick and simple retrofitting  Perfect heat output even at high altitudes (automatic altitude adjustment)  Low-noise operation  Very compact dimensions  Can be installed outside the vehicle

 Heats the driver’s cab and pre-heats the engine  Can also be connected to the existing water-heater system  Supply of heat via the air outlets in the dash-board  Space-saving installation in the engine compartement

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Differences to Webasto heaters designed for other markets

4

Air heaters designed for other markets start to idle when the target temperature is reached:  The side-effect: End users feel a cold air flow from the outlets which makes them feel uncomfortable inside the vehicle  The solution: RV-specific heaters are programmed differently. The idling effect is deactivated in all heaters inside the RV scopes of delivery to provide the best comfort for the user

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Which heating product fits your demands?

Heating power altitude range

Vehicle types

Camper

Semi-integrated

Top bank

Integrated

Over 7.5 t

6.5 m

8 m 6.5 m

8 m 6.5 m

8 m 6.5 m

8 m

over 8 m

6,000 5,500 5,000 4,500 4,000 3,500 3,000 2,500 2,000 1,500 1,000

5,500 Air Top Evo 40 High altitude

Air Top Pro 25

Air Top Pro 25

Automatic altitude adjustment

Air Top Go 20

Air Top Evo 40

All Webasto fuel-operated heaters are designed for use at elevations not to exceed the maximum recommended operational elevation, which varies by product and model. Please consult your operation manual to determine the maximum operational elevation for your specific product and model. Use of any Webasto fuel-operated heaters at elevations higher than those recommended may lead to reduced performance and may require increased service and maintenance.

3,500 Thermo Pro 90

Air Top Evo 55

3,000 Thermo Top Evo Smart (with optional kit)

2,500 Air Top Go 20

Thermo Top Evo Smart

2,200 Air Top Evo 40/55

Thermo Top Evo

1,500 Thermo Top Evo

Thermo Pro 90

Use as main heater

Use as additional heater alongside existing unit (e.g. gas)

Use as additional heater or water heater

Air heater

Water heater

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Air heaters

Air heaters

Air Top Evo: Perfect heat even in high altitudes!

Air Top 25 Pro

See page 22

SUPER SILENT

Precise electronic temperature control system maintains a constant cabin temperature through stepless modulation

Quiet operation

Automatic altitude adjust- ment due to integrated air pressure sensor

See page 24

Air Top Go 20

Continuous heating power output provi- des exactly the hea- ting energy needed

Recirculated air intake

Air Top Evo 40

Robust composite casing

See page 26

High air flow output due to powerful radial blower

Very low electrical power and fuel consumption

Air Top Evo 55

See page 28

Technical specifications

SUPER SILENT

Air Top Pro 25

Air Top Evo 40*/55

0.7 - 2.0/2.5**

0.8 - 2.0/2.5**

1.5 - 3.5/4.0** | 1.5 - 5.0/5.5** Diesel DIN EN 590, B100 FAME EN 14214, HVO DIN EN 15940 0.18 - 0.43(0.49) | 0.18 - 0.61(0.67)

1.7 - 3.5/4.0** | 1.7 - 5.0/5.5**

Heating capacity (kW)

Diesel DIN EN 590; Paraffinic fuel (HVO/GTL) DIN EN 15940

Gasoline DIN EN 228; Ethanol fuel E85 DIN EN 15293 - E100 DIN EN 15376

Gasoline E0-E10 EN 228

Fuel

MultiControl: The MultiControl sets standards in terms of its modern design and user-friendliness that allows fast and intuitive operation. It includes features like an immediate start button, the ventilation function and fault code display. You can program up to three start times per day for your heater which allows the best individual comfort.

ThermoConnect: Our app lets you control your water and / or air heater smarter and more flexibly than ever before. Available for iOS and Android devices.

0.09 - 0.30

0.10 - 0.35

0.25 – 0.51/0.54 | 0.25 – 0.70/0.80

Fuel consumption (l/h)

12/24

12

12/24

12

Nominal voltage (V)

3.3 - 20.1/8.0 - 21.2

3.3 – 20.1

15 – 40 (55) | 15 - 95 (130)

Power consumption (W)

100

100

132 (140) | 200 (220)

Hot air flow at 0.5 mbar ( m³/h )

321 x 127 x 124

321 x 127 x 124

423 x 148 x 162

423 x 148 x 162

Dimensions L x W x H (mm)

2.95

2.95

5.9

5.9

Weight (kg)

Up to 5,500

Up to 5,500

Automatic, up to 2,200*

Automatic, up to 2,200

Altitude adjustment (m)

* The Air Top 40 HA ("High Altitude") heater is also available. In 24V, it automatically adjusts up to an altitude of 5,500 meters. Please order the appropriate control elements for this heater. More information is available from our authorized network. ** Improved heating power with "Boost" mode for a maximum duration of 6 hours (Air Top Evo 40, Air Top Pro 25) or 30 minutes (Air Top Evo 55).

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Air heaters Application concept

Air heaters Advantages

How Webasto air heaters work When the unit is switched on, the fuel pump feeds fuel from the vehicle‘s fuel tank to the heater. Here the fuel is automatically ignited by means of a glow plug. In the combustion chamber, a flame is lit which heats up the heat exchanger. The unit takes air in from the outside for combustion purposes and the combusted exhaust air is discharged to the outside. During heating, the integrated fan takes in the air to be heated through the inlet and feeds it through the unit. As the air flows through the heat exchanger, it heats up and is then distributed through the outlet. The connected hot air pipes now spread the air evenly throughout the vehicle interior. Due to the unit’s own separation of the combustion circuit from the heating circuit, there is no impairment of the quality of the hot air. A temperature sensor constantly measures the interior temperature and automatically adapts the heating power output by adjusting the amount of air passing through the unit. In this way, the temperature selected by the user is rapidly reached and maintained at a constant level. After the unit has been switched off, the combustion process is terminated in a controlled manner. For this purpose, the unit briefly goes into re-run mode to cool itself down. It is then immediately ready for restarting.

The advantages of Webasto air heaters  Optimum heat output at high altitudes thanks to altitude sensor (Evo range) and altitude mode integrated in MultiControl  Automatic altitude adjustment (Air Top Pro 25)  Heating power from 0.9 kW to 5.5 kW  Very compact heaters for easier and faster installation  Smooth blower and burner operation for low-noise and fuel consumption  Hot air is channeled and distributed through the motorhome, ensuring a constant temperature  Precise and stepless cabin temperature control  Very fast heat-up phase  Low-noise operation  Diesel-fueled, directly fed from the tank  More space inside due to the possibility of outside installation  Heating while driving allowed in all countries

Air Top Evo 40/55

Air heater can be installed inside or underneath the vehicle

Glow plug

Air Top Pro 25 Cross-section view of the air-heating system:

Heat exchanger Tubular combustion chamber

Hood

Combustion air turbine

Hot air outlet: Hot air is distributed through a ducting system Exhaust pipe Silencer Combustion air intake Fuel supply leads to the vehicle fuel tank or fuel return line Fresh air intake

A

Hot air outlet

Electronic card

A

Air outlet temperature sensor

D C B

F

Hot air fan turbine Air inlet temperature sensor

Hood support pad

B

E

C

Evaporative burner

D

E

Cold air intake

F

Turbine drive motor

Fuel pump

Exhaust outlet

Combustion air inlet

Fuel line

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Air heaters Air Top Pro 25

SUPER SILENT

Scopes of delivery

Air Top Pro 25 – whisper-quiet comfort The quiet heater – the smallest air heater on the market. It offers excellent heat output and optimal economy.

The advantages of the Air Top Pro 25:  Heating output from 0.7 to 2.5 kW  Demand-based heat emission through stepless, temperature-controlled heating-power regulation  Constant 2.5 kW for 6 hours in Boost mode  Whisper-quiet heating thanks to new fan design  Operation up to 5,500 meters altitude  Maximum efficiency with reduced power consumption  Designed for continuous-heating operation  Compatible with W-Bus, LIN, CAN or CI-Bus  Cyber Security acc. ISO/SAE 21434

Contents scope of delivery/Installation kit FP/IN Part SOD IK Description 1 Heater (with pigtail wire harness) 2 Fuel pump DP42.2 with [Diesel] / without [Petrol] damper

Base seal

3 4 5 6 7 8 9

Vehicle wire harness

Fuel pump wire harness 1,000 mm (from heater or vehicle wire harness)

Fuel hose Da 5 / Di 2 / L 5000 (mm)

Flexible stainless steel exhaust pipe D 22 / L 800 (mm)

A simple air-distribution system is recommended in small recreational vehicles. Heated-air outlets and intake positioned as far as possible from each other ensure that the air is distributed uniformly.

Air intake silencer

Flexible aluminium combustion air pipe D 22 / L 400 (mm)

Exhaust Silencer further mounting material, including fuel pump bracket Technical documentation

10

Air Top Pro 25 Scope of delivery, heater

Order number

Order number

The air-intake system also heats the garage it operates in. An aperture returning air to the living space is then obligatory.

Installation kit

SD ATP25 D 12V FP R W_CI_STD SD ATP25 P 12V FP R W_CI_STD SD ATP25 D 12V IN R W_CI_STD SD ATP25 P 12V IN R W_CI_STD

KIT ATP25 DIESEL RV COMFORT FP 9046227A KIT ATP25 DIESEL RV COMFORT IN 9046229A KIT ATP25 PETROL RV COMFORT FP 9046454A KIT ATP25 PETROL RV COMFORT IN 9046455A

9045465A 9045467A 9045466A 9045468A

Guidance: IN = dosing pump cable integrated FP = dosing pump cable through foot plate R / L = heater wire harness exits heater on left / right W_LIN = Wbus communication as default, LIN after 5 secs no Wbus W_CI = Wbus communication as default, CI after 5 secs no Wbus

In large vehicles, the Air Top Pro 25 is used as an additional heater for the front section for generating pleasant temperatures in this inadequately insulated area as well.

Additional market-specific variants can be found in the Heating Catalog and Marine Catalog.

Technical specifications

Air Top Pro 25

Diesel

Petrol

ECE R10, ECE R122, CE

ECE approval mark & CE conformity Heat output, control range (kW) / Boost

0.7 - 2.0 / 2.5

0.8 - 2.0 / 2.5

6

Boost duration (h) Rated voltage (V)

12

24

12

Diesel DIN EN 590 Paraffinic fuel (HVO/GTL) DIN EN 15940

Petrol DIN EN 228; Ethanol fuel E85 DIN EN 15293 - E100 DIN EN 15376

Fuels 1

NEW: Webasto System Diagnostics 9044777A Digital Rotary Switch 9045336A

-40 to +40

Operating temperature range (°C)

Operation up to 5,500 m altitude, maximum heating output up to 3,000 m altitude

Altitude functionality

321 x 127 x 124

Dimensions L x W x H (mm)

2.95

Weight (kg)

Identical to Air Top 2000 STC

Mechanical interface Electrical interface

Please refer to our separate heating product catalog for our full range of accessories (see also page 9).

Wiring harness (length 500 mm) with 8-pin connector and separate dosing pump cable (FP), alternatively integrated into the wiring harness (IN), length 1,000 mm for both variants

W-Bus, LIN, CAN 2 or CI-Bus

Communication interface

1 Other fuels on request.

2 CAN: CAN J1939 conformity; available soon

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Air heaters Air Top Go 20

Available from Q4 2026

Scopes of delivery

Air Top Go 20 – simply comfort The heater combines modern technology with reliable heating performance in a streamlined package.

The advantages of the Air Top Go 20:

Contents scope of delivery/Installation kit Part SOD IK CS Description 1 Heater (with pigtail wire harness) 2 Fuel pump DP42.2 with damper 3 Base seal 4 Vehicle wire harness 5 Fuel pump wire harness 1,000 mm (from heater or vehicle wire harness)

 Heating output from 1.0 - 2.0 kW  Demand-based heat emission through stepless, temperature-cont- rolled heating power regulation  Operation up to 2,500 meters altitude  High efficiency with reduced power consumption  Suitable for continuous heating operation  Cyber security acc. ISO/SAE 21434 and functional safety acc. ISO 26262

Fuel hose Da 5 / Di 2 / L 5000 (mm)

6 7 8 9

Flexible stainless steel exhaust pipe D 22 / L 700 (mm)

Exhaust Silencer

A simple air-distribution system is recommended in small recreational vehicles. Heated-air outlets and intake positioned as far as possible from each other ensure that the air is distributed uniformly.

Flexible aluminium combustion air pipe D 22 / L 400 (mm) Fuel extractor

Further mounting material Technical documentation Digital Rotary Switch

Air Top Go 20 Scope of delivery, heater

Order number 9046337A​ 9046338A​

Order number

The air-intake system also heats the garage it operates in. An aperture returning air to the living space is then obligatory.

Installation kit

SD AT GO 20 D 12V FP R STD​ SD AT GO 20 D 24V FP R STD​

KIT AT GO 20 STANDARD FP​ Complete sets KIT AT GO 20 FEELGOOD FP*​ SD AT GO 20 D 12V FP R STD​ COMPLETE SET SD AT GO 20 D 24V FP R STD​ COMPLETE SET

9046342A​

9046406A​ 9046367A

Guidance: SOD = Scope of Delivery (heater) IK = Installation Kit CS = Complete Set, including Scope of Delivery, Installation Kit, Control Element and additional integration material FP = dosing pump cable through foot plate R / L = heater wire harness exits heater on left / right

9046368A

*Contains Complete Set including Air Top Go 20, Installation Kit, and Rotary Switch, plus Air Heater Application APK HOSE (3m), 2x Air Outlet, Distributor Y-Piece, Air Top Adapter Plate, Tank Extracting Device

In large vehicles, the Air Top Go 20 is used as an additional heater for the front section for generating pleasant temperatures in this inadequately insulated area as well.

Additional market-specific variants can be found in the Heating Catalog.

NEW: Webasto System Diagnostics 9044777A Digital Rotary Switch 9045336A

Technical specifications

Air Top Go 20

ECE R10, ECE R122, CE

ECE approval mark & CE conformity Heat output, control range (kW) / Boost

1.0 - 1.5 / 2.0

2

Boost duration (h) Rated voltage (V)

12

24

Diesel DIN EN 590 Paraffinic fuel (HVO/GTL) DIN EN 15940

Fuels 1

-40 to +40

Operating temperature range (°C)

Operation up to 2,500 m altitude

Altitude functionality

321 x 127 x 124

Dimensions L x W x H (mm)

2.95

Weight (kg)

Identical to Air Top 2000 STC

Mechanical interface

Please refer to our separate heating product catalog for our full range of accessories (see also page 9).

W-Bus

Communication interface

24

25

Air heaters Air Top Evo 40

1

Scopes of delivery

Air Top Evo 40 – efficient & silent High-output, compact, quiet and up to 2,200 m altitude capability, the heater is ideally suited for the most rigorous requirements. For higher altitude requirements, a heater up to 5,500 m altitude capability is available. It can be upgraded with the MultiControl panel to offer additi - onal operation modes depending on individual heating requirements.

Order number Air Top Evo 40 D 12 V RV Standard Air Top Evo 40 D 12 V RV Comfort

The advantages of the Air Top Evo 40:

9029235C

9029236D Air Top Evo 40 D 12 V HA RV Comfort 9038982B HA = suitable for very high altitudes of up to 5,500 m Non HA = suitable for altitudes of up to 2,200 m Mounting parts For best mounting of each heater, please refer to our dedicated mounting accessories. Fuel extractor The connection of the heater to the fuel system depends on the vehicle. Please select the right solution for your vehicle. Air distribution For the distribution of the hot air in a motorhome, you need hoses, distributors and outlets. Please compose the air system individually. Accessories (optional) For extension of your heating system, you will find comfort control elements as well as other installati- on and system components in the separate heating catalog and a selection of components also in this catalog.

What is the Intelligent Blower Control? Thanks to the control of several parameters, the heating regulation can optimize the heating output and the blower speed, resulting in:  Low electrical consumption and low-noise in regular operation (lower motor speed but same heat output)  High heat-output availability for applications with higher back pressure  Up to 4.0 kW heat output  Very low electrical power consumption thanks to Intelligent Blower Control  Very silent operation thanks to low blower speed and silent fuel pump DP42.4  Automatic altitude adjustment up to 2,200 m as a standard  Additional available automatic high altitude adjustment up to 5,500 m  Automatic cold-start function for quick warm-up

2

Air Top Evo 40 Heater with (pressure) altitude sensor RV wiring harness with integrated DP42.4 wiring harness External temperature sensor 2.5 m Fuel hose 5 m Air-intake silencer Air Top Evo

Depicted here is an underfloor heater operating in recirculated air mode with four outlets. The entrance area is heated indirectly by the intake line.

3

4

Fuel pump DP 42.4 Big exhaust silencer

In top-bank vehicles the upper sleeping area should be heated with a separate outlet. The same is recommended for the garage.

Mounting parts Documentation

Standard scope of delivery Rotary selector switch Flexible air intake tube 30 cm Extension wiring harness fuel pump 3 m Flexible exhaust tube 80 cm

5

In vehicles consisting of several separate areas, a sufficient number of outlets must be installed for a uniform distribution of heat. The air intake is at a central location in the vehicle.

Technical specifications

Air Top Evo 40

Diesel EN 590, B100 FAME EN 14214, HVO DIN EN 15940

Fuels***

E0-E10 EN 228

Comfort scope of delivery MultiControl RV/MAR ATE Flexible air intake tube 50 cm Extension wiring harness fuel pump 5 m Flexible exhaust tube 1.1 m

E1 00 0385 E1 05 5529

ECE Approval Number ECE R122 (Heating System) ECE Approval Number ECE R10 (EMC) Heat output, control range/boost (kW) Fuel consumption, control range/boost (l/h)

1.5 – 3.5 / 4.0*

1.7 – 3.5 / 4.0*

0.18 – 0.43 / 0.49*

0.25 – 0.51 / 0.54*

12

24

12

Rated voltage (V)

15 – 40 / 55*

Rated power consumption, control range/boost (W)

132 / 140* -40 to +40

Heating air volume flow against 0.5 mbar, control range/boost (m 3 /h)

Operating temperature range (°C)

423 x 148 x 162

Dimensions L x W x H (mm)

Please refer to our separate heating product catalog for our full range of accessories (see also page 9).

5.9

Weight (kg)

2,200, high altitude: 5,500

2,200

Automatic altitude compensation (m)

* Increased heat output (“Boost”) possible for max. 6 hours. ** Increased heat output (“Boost”) possible for for max. 30 minutes. *** Other fuels on request.

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Air heaters Air Top Evo 55

1

Scopes of delivery

Air Top Evo 55 – efficient & silent for extreme conditions Extremely powerful, compact and quiet, this heater ensures a comfortable climate for larger motorhomes even under the harshest conditions and satisfies the most demanding requirements. It can be upgraded with the MultiControl panel to offer additional operation modes depending on individual heating requirements.

Order number Air Top Evo 55 D 12 V RV Standard Air Top Evo 55 D 12 V RV Comfort

The advantages of the Air Top Evo 55:  Up to 5.5 kW heat output  Very low electrical power consumption thanks to Intelligent Blower Control

9029244C 9029245D

2

Mounting parts For best mounting of each heater, please refer to our dedicated mounting accessories. Fuel extractor The connection of the heater to the fuel system depends on the vehicle. Please select the right solution for your vehicle. Air distribution For the distribution of the hot air in a motorhome, you need hoses, distributors and outlets. Please compose the air system individually. Accessories (optional) For extension of your heating system, you will find comfort control elements as well as other installati- on and system components in the separate heating catalog and a selection of components also in this catalog.

What is the Intelligent Blower Control? Thanks to the control of several parameters, the heating regulation can optimize the heating output and the blower speed, resulting in:  Low electrical consumption and low-noise in regular operation (lower motor speed but same heat output)  High heat-output availability for applications with higher backpressure  Very silent operation thanks to low blower speed and silent fuel pump DP42.4  Automatic altitude adjustment up to 2,200 m as standard  Automatic cold-start function for quick warm-up  Compatible with MultiControl digital control panel

3

Air Top Evo 55 Heater with (pressure) altitude sensor RV wiring harness with integrated DP42.4 wiring harness External temperature sensor 2.5 m Fuel hose 5 m Air-intake silencer Air Top Evo Big exhaust silencer Fuel pump DP42.4

Depicted here is an underfloor heater operating in recirculated air mode with four outlets. The entrance area is heated indirectly by the intake line.

4

In top-bank vehicles the upper sleeping area should be heated with a separate outlet. The same is recommended for the garage.

5

Mounting parts Documentation

Standard scope of delivery Rotary selector switch Flexible air intake tube 30 cm Extension wiring harness fuel pump 3 m Flexible exhaust tube 80 cm

In vehicles consisting of several separate areas, a sufficient number of outlets must be installed for a uniform distribution of heat. The air intake is at a central location in the vehicle.

Technical specifications

Air Top Evo 55

Diesel EN 590, B100 FAME EN 14214, HVO DIN EN 15940

E0-E10 EN 228

Fuels***

Comfort scope of delivery MultiControl RV/MAR ATE Flexible air intake tube 50 cm Extension wiring harness fuel pump 5 m Flexible exhaust tube 1.1 m

E1 00 0386 E1 05 5529

ECE Approval Number ECE R122 (Heating System) ECE Approval Number ECE R10 (EMC) Heat output, control range/boost (kW) Fuel consumption, control range/boost (l/h)

1.5 – 5.0 / 5.5**

1.7 – 5.0 / 5.5**

0.18 – 0.61 / 0.67**

0.25 – 0.70 / 0.80**

12

24

12

Rated voltage (V)

15 – 95 / 130**

Rated power consumption, control range/boost (W)

200 / 220** -40 to +40

Heating air volume flow against 0.5 mbar, control range/boost (m 3 /h)

Operating temperature range (°C)

423 x 148 x 162

Dimensions L x W x H (mm)

Please refer to our separate heating product catalog for our full range of accessories (see also page 9).

5.9

Weight (kg)

2,200

Automatic altitude compensation (m)

* Increased heat output (“Boost”) possible for max. 6 hours. ** Increased heat output (“Boost”) possible for for max. 30 minutes. *** Other fuels on request.

28

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Range Plus system Extends the range of E-Vans under cold conditions and ensures warm interiors

Despite new generation battery technologies and battery management systems, heating the interiors of electric vehicles during periods of cold weather limits the range of the electric car per battery charge by up to 35 percent.  Heat escapes as a result of frequent door opening.  Window areas cause vehicle interiors to cool down quickly.  Transportation of temperature-sensitive goods demands a reliable and constant ambient temperature, for which energy is required to heat the cargo compartment. The Webasto Range Plus system – a fuel-powered air heater plus fuel tank – significantly reduces the load on the vehicle’s existing electric heater. It moreover ensures pleasant temperatures for passengers and everyone who relies on a warm vehicle for work. Retrofit of:  Heat source air heater

Further possible applications:  Student transport  Transport of disabled or sick persons  Mobile workplace  Transport & storage of temperature sensitive materials

Set includes:  Air Top Pro 25/Air Top Evo 40 D 12 V  Vehicle-specific installation kit  Air in-/outlet, air routing, external temp sensor, heater bracket, wiring harness extension, etc.  Fuel tank, tank-level sensor, tank-level indicator (LED), fuel-filler assembly, refuel cap  Available for: Mercedes EQV/E-Vito Tourer/ VW ID.Buzz Cargo/ VW ID.Buzz Van/ Ford e-Transit, Stellantis K0 (Peugeot Expert / Citroën Jumpy / Opel Vivaro)

 Heater control (MultiControl)  Air distribution (in-/outlet)  Fuel supply (fuel tank, fuel-filler assembly, refuel cap)  Tank-level indicator Technical release of solution:  DEKRA (development with an authorized partner)  Result of Range Plus: – up to 80 km additional range at comfortable interior temperatures – up to 50 h of additional heat

More information: webasto.com/en-int/heating/air-heater/range-plus

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Water heaters

Water heaters

Thermo Top Evo Smart: The popular parking heater adapted to RV needs

Automatic overheat protection

Thermo Top Evo Smart

See page 36

Space-saving installa- tion in the engine room

Thermo Top Pro 50

Compact design

See page 40

Even distribution of warmth by radiators or blowers

Low fuel consumption

Thermo Pro 90

See page 42

Technical specifications

Thermo Top Evo Smart

Thermo Top Evo

Thermo Pro 90

Thermo Top Pro 50

1.8 / 5.0

1.8 – 5.0

1.8 – 7.6 / 9.1

2.0 / 5.0

Heating power (kW)

Diesel

Diesel

Diesel

Diesel

Gasoline

MultiControl: The MultiControl sets standards in terms of its modern design and user-friendliness that allows fast and intuitive operation. It includes features like an immediate start button, the ventilation function and fault code display. You can program up to three start times per day for your heater which allows the best individual comfort.

ThermoConnect: Our app lets you control your water and / or air heater smarter and more flexibly than ever before. Available for iOS and Android devices.

Fuel

0.22 – 0.62

0.15 – 0.9 / 1.1

0.3 / 0.6

0.23 / 0.62

0.28 / 0.70

Fuel consumption (l/h)

12

12

24

12

Rated voltage (V)

11 – 16.5

10.5 – 16

220 – 230

11 – 16.5

Operating voltage range (V)

Rated power consumption (W)

10 – 33

37 – 83 / 90

28 – 46

12/33

12/33

218 x 91 x 147

385 x 139 x 219

218 x 91 x 147

218 x 91 x 147

Dimensions L x W x H (mm)

2.1

4.9

2.2

2.1

Weight (kg)

32

33

Water heaters Application concept

Water heaters Advantages

The advantages of a Webasto water heater  Supply of warmth via the air outlets in the dash board  Cabin heating and optional pre-heating of the engine  Heating power from 2 kW up to 9 kW  Less emissions due to engine pre-heating  Very fast heat-up phase  Quiet-running, low-noise operation  Diesel-operated, directly fed from the vehicle‘s fuel tank or electrically driven via 230 V power socket

How Webasto water heaters work When the unit is switched on, the fuel pump feeds fuel from ​the vehicle‘s fuel tank to the heater. Here the fuel is automatically ​ignited by a glow plug. If combustion does not occur ​immediately, the unit automatically repeats the start-up ​procedure. A flame is ignited in the combustion chamber which heats ​up the heat and the coolant exchanger. The unit takes air from the outside for ​combustion purposes and the combusted exhaust air is ​ discharged to the outside. During heating an internal circulation pump feeds the ​water-glycol mixture through the unit. As the water-glycol mixture ​flows through the heat exchanger, it heats up. In the connected ​water circulation system, heat exchangers then transfer the ​energy to the interior and the engine. Once the vehicle interior or engine has warmed up, the heat ​requirement is reduced and the water temperature continues to ​rise. At a pre-set temperature threshold the unit reduces output ​at this moment or goes into standby mode. The heating procedure automatically restarts when the water ​temperature drops below a certain level. The unit thus adapts the ​heat output automatically to the heat requirement. After the unit has been switched off, the combustion process is ​terminated in a controlled manner. For this purpose, the unit ​briefly goes into re-run mode to cool itself down. It is then ​immediately ready for restarting.

The water heater saves space by being installed in the engine compartment

Check valve Combustion air intake Intake silencer Water pump and water inlet Exhaust pipe Fuel pipe to vehicle fuel tank

A B C D

The Thermo Top Evo Smart can also be integrated into the existing water heating system.

A

E F

H

Exhaust silencer Hot water outlet

G H

D

F

C

B

E

G

34

35

Water heaters Thermo Top Evo

1

Basic scope of delivery and basic installation kit

Thermo Top Evo RV Classic The Thermo Top Evo is adapted to the specific needs of RV enthusiasts. It allows unlimited heating and offers the double function of heating the cabin and preheating the engine.

Basic heater scope of delivery Thermo Top Evo D 12 V RV Classic

What is the new generation about?  Stepless heating power adjustment between 1.8 and 5 kW  Continuous heating with less starts and stops  Exhaust temperature control for optimized environmental conditions The advantages of the Thermo Top Evo:  More comfort in the front of the vehicle thanks to warmth supplied via the air outlets in the dashboard  Low fuel consumption due to minimum power level  Operated by MultiControl or via app through ThermoConnect  Very fast heat-up phase  Low-noise

9042116A

2

Basic installation kit Basic installation kit Thermo Top Evo RV Classic

9042120B

The Thermo Top Evo preheats automatically the cabin and the motor: First, the hot water circulates in the vehicle’s water circuit, thus heating up the cabin. All available heat is transferred via the vehicles‘ blower system to the driver’s cabin.

3

Specific installation kits In order to perform a complete application, a vehicle specific installation kit is recommended in addition to the Basic scope of delivery and Basic installation kit. Thermo Top Evo Fiat Ducato MC MY17 1325657A (covers engines 2,3 JTD 96KW and 109 kW AAC and AC manual) Thermo Top Evo Additional Kit ACC Fiat Ducato MC MY17 1325954A For the latest list of available vehicle specific installation kits please contact your Webasto Service Center. User interface To control the heater please choose a user inter- face from the accessory catalog. Mounting parts Are included in specific kits or are available as separate accessories. To identify the necessary parts please contact your Webasto Service Center. Accessories (optional) For extension of your heater system you will find ​ comfort control elements as well as other installati- on and ​system components in the separate heating​ catalog as well as in this catalog.

Thermo Top Evo RV Classic Basic scope of delivery Heater (Thermo Top Evo RV Classic) Coolant pump 4847 Econ with bracket Fuel pump DP42.4 with bracket Mounting parts water Documentation Basic installation kit Exhaust silencer Wiring harness heater Wiring harness relay fuse holder

When the cabin is warm enough, the thermostat valve opens and the engine is also heated up by the hot water. The effect can even be increased by reducing the blower speed at the air outlets to a minimum.

4

Mounting parts exhaust Combustion air silencer Wiring harness coolant pump 0.6 m

5

Vehicle specific parts See available specific installation kits

6

Technical specifications

Thermo Top Evo

1.8 – 5.0

Heating power (kW)

Diesel DIN EN 590, Paraffinic fuel (HVO / GTL) DIN EN 15940

Fuels

0.22 – 0.62

Fuel consumption (l/h)

12

Rated voltage (V)

11 – 16.5

Please refer to our separate heating product catalog for our full range of accessories (see also page 9).

Operating voltage range (V) Rated power consumption (W) Dimensions L x W x H (mm)

10 – 33

218 x 91 x 147

2.1

Weight (kg)

36

37

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