Adjust the desired time controlled room temperature you can set programmes for individual days or for groups of days with up to 6 adjustable options per day you can of course change the program at any time by turning the rondostat knob the thermostat is simple to install and to operate as the thermostat is simply screwed onto the existing valve without opening the heating circuit suitable for heimeier and danfoss ra rav ravl radiator valves additional valve adapters for other radi