6X Thermostat Head TRV Radiator Thermostatic Heater Control Head Valve Heating

12V 100W Electric Car Heater Heating Fan Defogger Defroster Demister 3 Hole UK. 【Thermostatic radiator head】For valves with threaded connections M 30 x 1.5 and valves with threaded connections M 30 x 1.5 for radiator manufacturers.