Caleffi Frostschutzventil verhindert Einfrieren von Heizsystemen Wärmepumpe especially when using logs up

especially when using logs up to 530 mm in length

saving both time and labor

The heating element features integrated insulation that prevents electrolytic corrosion

and chimney draft affect the operational safety and service life of the entire heating system

Maximum energy yield and safety

Caleffi Frostschutzventil verhindert Einfrieren von Heizsystemen Wärmepumpe especially when using logs upCaleffi 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