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Thermostatic actuator with remote adjuster

Stock no. BPZ:RTN81

Stock no. BPZ:RTN81

Thermostatic actuators for controlling the room temperature. Setpoint adjustment with knob. Versions with shutoff and frost protection position.

Limit stops for minimum and maximum values or setpoint locking.

Mounts directly on Siemens radiator valves VDN../VEN../VUN../VPD../VPE..

Additional info

Adapter for third-party valves, see overview AV..

The radiator valves can be closed with the thermostatic actuators RTN51.. and RTN71..



Capillary length

2 m

Setpoint setting range

8...28 °C


Remote sensor, Frost protection position

Surface treatment

RAL 9016, matt

Dimensions (W x H x D)

80 x 80 x 55 mm