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bei Ausführungen bis 3 kW ist die Spannung 230 V zu berücksichtigen
For compliant and efficient operation
electrical wiring
Nominal output 20 kW Fuel Dry
Caleffi Frostschutzventil verhindert Einfrieren von Heizsystemen Connection size:1" - 55Kv bei Ausführungen bis 3 kWCaleffi frost protection valve for heat pumps 1" and 1 1 4'' with outdoor air sensor The frost protection valve prevents the medium in the system circuit from freezing and thus prevents damage to the heat pump and piping. The valve is a mechanically operating protection system. The version with outdoor air sensor allows the system to operate in cooling mode even when the water temperature approaches 3 C. TECHNICAL DATA Frost protection valve Caleffi
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