Thermostat head 'Heimeier' for heating and silent cooling for heat pump radiators WPHK. - VT-score 0.20, hysteresis 0.15 K, water temperature influence 0.35 K according to EN 215 - liquid filling, min. and max. temperature limitation by economy clips - setting range: 6 - 28 °C + cooling, frost protection: 8 K - thread M 30x1.5 (for VA WPHK and VAV WPHK) - TELL-scope (Thermostatic Efficiency Labelling): A
