istop r frostschutzventil mit aussenluftfuhler serie 108 Tauchhülse The inner surface of the

The inner surface of the storage tank is protected by a high-quality enamel coating and a magnesium anode

Easy installation and use

properly routing pipes

Luft-/Wasser-Wärmepumpe mit 200 Liter Speicherkapazität

Flexible integration into existing heating systems

istop r frostschutzventil mit aussenluftfuhler serie 108 Tauchhülse The inner surface of theCaleffi frost protection valve for heat pumps 1" and 1 1 4'' with outside air duct The frost protection valve prevents the medium in the system circuit from freezing and thus prevents damage to the heat pump and pipes. The valve is a mechanically operating protective system. The version with an outdoor air sensor allows the system to operate in cooling mode even when the water temperature approaches 3C. TECHNICAL DATA Frost protection valve Caleffi