Danfoss Thermot electrothermal (thermal-wax) valve actuator, OEM order code 088H3218. The Thermot converts a switching signal from a room thermostat or controller into valve movement on hydronic floor-heating manifolds and radiator/zone valves — no auxiliary air or hydraulics. Normally open (NO) — the valve is open when de-energised and closes when the actuator is powered. Supply voltage 24 V AC (50/60 Hz), power consumption 2 W. M 30 x 1.5 connection. 0.95 m connecting cable. Enclosure rating IP41. Net weight 136 Gram. Genuine Danfoss part; technical data quoted verbatim from store.danfoss.com (code 088H3218). OEM P/N 088H3218, EAN 5702425110139.