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Fire behavior - building material class normal flammability (DIN4102-B2)
At a height of 4 meters
exhaust gases
Application with water-bearing fireplace
The EFSR1 is low-maintenance
Caleffi Membran Sicherheitsventil 1/2 x 3/4 - 6 bar - Heizungsventil 🌡️ Wärmepumpe Fire behavior - building materialMembrane Safety Valve 1 2" x 3 4" Overpressure Valve Heating Valve from Caleffi The Membrane Safety Valve 1 2" x 3 4" from Caleffi is a high quality safety valve specifically designed to reliably protect closed hot water systems from excessively high pressure. This valve responds precisely to an opening pressure of 6 bar, ensuring the safe operation of your heating or hot water system. In accordance with the requirements of TRD 702, DIN 4753 Part 1,
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