TH-80 wired thermostatic head

TH-80 serves for optimum control of valves on heating circuit distributors. Control is done a room thermostat with two-point output or pulsewidth modulation.

wired thermostatic head

TH-80 wired thermostatic head


Type A 4004 / A 4104
Version normally closed/normally open
Voltage 24 V AC/DC, +20%...–10%, 0–60 Hz
Max. inrush current 250 mA during 2 min max.
Operating current 75 mA
Operating power 1.8 W
Closing and opening times approx. 6 min.
Actuator travel 4 mm
Actuating force 100 N ± 5%
Fluid temperature 0 to +100 °C 1)
Storage temperature -25 to +65°C
Ambient temperature 0 to +60°C
Degree/class of protection IP 54 / III
CE conformity according to EN 60730
Housing polyamide
Housing colour grey
Weight 100 g with a 1 m connecting cable
Connecting cable 2 x 0.75 mm2 PVC, grey