my-PV 20-0550 3kW without thermostat screw-in radiator

Screw-in heater 3 kW, the easiest way to increase self-consumption, continuously adjustable by photovoltaic power manager AC.THOR, for installation in fresh water and buffer tanks, low thermal surface load, integrated safety temperature limiter, without thermostat (switches off at over 90°C), to be charged, the enclosed temperature sensor of the AC.THOR must be used in any case to end the heating process, 1.5 inch standard thread, single-phase