PRODUCT CATALOGUE 2025 | alre.de

Our catalog contains our complete product range as well as numerous additional pieces of information, ranging from tips and tricks to contact details.


Wireless systems
9

System information
12

Individual components
16

BUILDING AUTOMATION
31

System information
34

Heating Technology
51

Room / floor temperature controllers
57

Terminal strips for heating manifolds / valve actuators
108

AIR CONDITIONING TECHNOLOGY
113

Climate controller
117

Dew point monitoring
137

Hygrostats,  /  Hygro-thermostats
140

Terminal strips for heating / cooling manifolds / valve actuators
143

PLANT ENGINEERING
149

Capillary and wet room thermostats, frost protection thermostats
160

Control cabinet controllers
186

Temperature controllers, electronic
190

Humidity, (air)flow and pressure monitoring
193

SENSOR TECHNOLOGY
205

Temperature
208

Differential pressure
220

ACCESSORIES
221

Sauna controllers
224

Accessories
226

Technical annex
232

Index
244

General information / contact / addresses
248

Overview
10

System information
12

Wireless systems components overview
12

System configuration
14

Individual components
16

Sensors
16

Heating actuators
22

Actuators (cooling)
26

Actuators (heating/cooling)
28

Overview
32

System information
34

General
34

Communication via BACnet MS / TP
36

Alre BACnet individual room controller connection options
38

alre BACnet individual room controller /  heating and cooling ceiling application example
40

Integration into various switch ranges
42

Overview BACnet room controller application
44

BACnet room controller KTRBUu
45

alre BACnet individual room controller adaptation
50

Overview
54

Room / floor temperature controllers
57

Room temperature controller, bimetal (mechanical) ‘surface-mounted’
57

Room temperature controller, bimetal (mechanical) ‘surface-mounted ultra-slim’
63

Room temperature controller, bimetal (mechanical) ‘surface-mounted or plug-in’
66

Room temperature controller, electronic, with clock ‘surface-mounted’
68

Room temperature controller electronic with display "Surface-mounted ultra-slim"
70

Room temperature controller, bimetal (mechanical) ‘flush-mounted’
71

Room temperature controller electronic “flush-mounted"
90

Room or floor temperature controller, electronic, with clock ‘flush-mounted’
92

Floor temperature or surface temperature controller, electronic ‘surface-mounted’
96

Floor temperature controller, electronic, with clock ‘surface-mounted’
98

Floor temperature controller, electronic, ‘flush-mounted’
100

Terminal strips for heating manifolds / valve actuators
108

Actuator ‘STELLA’ 230 V NC
108

Electro-thermal valve actuators
109

Terminal strip for heating manifold
110

Overview
116

Climate controller
117

Electronic with triac output (noiseless)
117

Bimetal (mechanical) ‘surface-mounted’
118

Electronic, ‘surface-mounted’ (also for EC fans)
120

Electronic for cooling ceilings or surface heating / cooling systems, ‘flush-mounted’
122

Electronic for cooling ceilings or surface heating / cooling systems, ‘flush-mounted’
125

Electronic for cooling ceilings or surface heating / cooling systems, ‘flush-mounted’ with clock (also for EC fans)
129

Continuous electronic climate controller, ‘surface-mounted’
135

Dew point monitoring
137

Dew point monitor
137

Dew point sensor
138

Hygrostats,  /  Hygro-thermostats
140

Room ‘surface-mounted / flush-mounted’
140

Terminal strips for heating / cooling manifolds / valve actuators
143

Terminal strips for heating / cooling manifolds
143

Actuator ‘STELLA’ 230 V NC
146

Electro-thermal valve actuators
147

Overview
152

Capillary and wet room thermostats, frost protection thermostats
160

Plant room thermostats (1 and 2-setting ranges), wet room thermostats
160

Universal capillary thermostat (boiler thermostat, ventilation thermostat or contact thermostat)
164

Single-stage plant room thermostats with adjustable switching differential
171

Capillary thermostats (1-, 2-stage) 0.5–4.5 m
172

Contact thermostats
175

Frost protection thermostats / monitors
176

Duct thermostats, ventilation thermostats (TR, TW, STB), air heater thermostats
182

Control cabinet controllers
186

Control cabinet thermostats, electronic
186

Control cabinet thermostats
188

Control cabinet hygrostats
189

Temperature controllers, electronic
190

Controller for distributor assembly (hat rail)
190

Universal controller (wall-mounting)
192

Humidity, (air)flow and pressure monitoring
193

Mechanical hygrostats
193

Wind indicator relays
195

Differential pressure switches (‘pressure cells’)
196

Airflow monitors
198

Flow monitor for liquid media
199

Universal pressure switch
204

Differential pressure
220

Differential pressure transducers (air)
220

Temperature
208

Room temperature sensor (surface-mounted / flush mounted) – passive
208

Outdoor temperature sensor – passive
211

Sleeve temperature sensors / cable temperature sensors
213

Contact temperature sensors – passive
215

Pendulum temperature sensors /  radiation temperature sensors
216

Assembly-type duct sensors – passive
218

Industrial assembly type duct sensors – (Form B) passive
219

Sauna controllers
224

Accessories
226

Annex
232

Technical annex
232

Type comparison overview
234

Tips for heating installers and electricians
235

Ecodesign Directive and funding opportunities
236

Sensor characteristic curves
240

Technical terms
242

Index
244

Index by product designations
244

Index by type designations
246

General information / contact / addresses
248

Terms and conditions of sale and supply
248

General Notes
250

Contact information and contact persons
251

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