4Nm motor
on/off

4Nm motor
modulating

8 / 16 / 24 / 32 Nm
motor on/off

8 / 16 / 24 / 32 Nm
motor modulating

8 / 16 / 24 / 32 Nm
modulating wiring

Weatherproof
valve motor cover

16Nm motor
spring return

16Nm
spring return wiring