istop r frostschutzventil mit aussenluftfuhler serie 108 Tauchhülse achieves an 8% higher efficiency

achieves an 8% higher efficiency than comparable standard units

Heizungsmanometer 3/8"

properly routing pipes

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

the boiler ensures a reliable heat supply even under increased demand

istop r frostschutzventil mit aussenluftfuhler serie 108 Tauchhülse achieves an 8% higher efficiencyCaleffi 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