I had central heating a way wanted finally to get constant room temperatures for my apartment, with the original installed radiator thermostats that was why ever not possible why I switched to the electronically controlled by Xavax Max, I am thrilled to finally without permanent turn to the valves uniform heat, pleasant side effect, through night setback and timers / lowering times you can still save some heating costs. have coupled with a wall thermostat total 5 valves.
