stop r frost protection valve with outdoor air sensor series 108 Connection size:1 1/4" - 70 kV Return temperature boost necessary to

Return temperature boost necessary to prevent condensation

4 % Energy Efficiency Class C Max

the air supply is regulated by opening or closing the air intake damper

Nominal Output 32 kW Fuel Split logs / hardwood

stop r frost protection valve with outdoor air sensor series 108 Connection size:1 1/4" - 70 kV Return temperature boost necessary toCaleffi 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