e Q-3-130809-Thermostat-Head-5-up-to-29-5-C-Thermostatic-L-Valve-e Q-3-130809-P-The-e Q-3-130809-is-a-Programmable-Electronic-Radiator-Thermostat-Model-L-that-offers-a-pre-programmed-heating-&-temperature-reducing-program-The-program-can-be-set-individually-&-it-is-possible-to-control-the-room-temperature-in-a-time-controlled-manner-The-device-moves-a-valve-to-control-the-flow-of-heat-to-the-radiator-The-programmable-radiator-control-unit-fits-all-common-radiator-valves-&-is-easy-to-in