stop r frost protection valve with outdoor air sensor series 108 Usedom 1x DN280114S - malleable iron

1x DN280114S - malleable iron double nipple 11/4" black

With a wood output of up to 19 kW With its high efficiency

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Locking sleeve 1"1/2M

This makes the pump ideally suited to the demands of everyday household use

stop r frost protection valve with outdoor air sensor series 108 Usedom 1x DN280114S - malleable ironCaleffi 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