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1x DN280114S - malleable iron double nipple 11/4" black
1x PPT28 - Profipress copper T-piece 28mm
Even combustion reduces fuel consumption and emissions
Pump angle
⭐ Natural draft boiler for firewood without combustion fan
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
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