stop r frost protection valve with outdoor air sensor series 108 Connection size:1 1/4" - 70 kV Installation/commissioning must be carried out

Installation/commissioning must be carried out by a qualified professional

secondary and tertiary air ducts available

heating cartridge 4

including the SLX and DPX models

stop r frost protection valve with outdoor air sensor series 108 Connection size:1 1/4" - 70 kV Installation/commissioning must be carried outCaleffi 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