Piston actuator thermostatic head RTN series

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.. Technical Specifications Design Frost protection position , Closing position Setpoint setting range 12…28 °C Surface treatment RAL 9016, matt Degree of protection IP54 Dimensions (W x H x D) 96 x 60 x 60 mm Dimensions (Ø x L) 60 x 89.5 mm