Webasto Marine Catalog 2025-2026 EN

Coolant pumps

Coolant pumps

Technical features These coolant pumps are suitable for hot water circulation. They are not designed for sea water use.

Technical data

Model overview (Heater and pumps)

Thermo Top Evo 4/5/5+, Thermo Top Evo Smart, Thermo Top Pro 50

Thermo Pro 90

Thermo Top Pro 120/150

U4847 Econ

U4850

U4840

U4847 Econ

UP500

U4840

U4850

12 / 24

Nominal voltage (V)

          

          

15

12

29

67

2

0,44 0,40 0,36 0,32 0,28 0,24 0,20 0,16 0,12 0,08 0,04 0,00

0,20 0,18 0,16 0,14 0,12 0,10 0,08 0,06 0,04 0,02 0,00

2 2,2 1,8 1,6 1,4 1,2

Nominal power consumption (W)

1,8 1,6 1,4 1,2

500 l/h (0.16 bar)

500 (0.14 bar)

700 (0.34 bar)

1,500 (0.56 bar)

Volume flow (l / h​ )

12 V

12 V

9

,

¨S EDU

∆ p (bar)

I (A)

$

∆ p (bar)

1

I (A)

1

24 V

109 x 49 x 79 98 x 53 (diameter)

134 x 53 x 90

118 x 80 x 104

0,8 0,6 0,4 0,2

Dimensions L x W x H (mm)

0,8 0,6 0,4 0,2

9

24 V

20

18/20

20

Water connection Ø (mm)

0

0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200

0.3

0.25

0.4

0.7

0 100 200 300 400 500 600 700 800 900 1000 1100

Weight (kg)

OK 

l / h

l / h

9002514B 130° connection piece

_

1321930A

Included SOD Thermo Top Pro 120 / 150 Included SOD Thermo Top Pro 120 / 150

Order number 12 V

UP500

98237B

9045611A

1321932B

Order number 24 V

250 200 150 100 50 0

2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 100 200 300 400 500 600 700 800 900 1,000 1,100 12 V 12 V 24 V 24 V

l / h

Volume flow with water / glycol mixture (50 : 50) 20 °C

Flow resistance when the pump is stationary

Rated power consumption

48

49

Made with FlippingBook Digital Proposal Creator