membrane safety valve 1 2 x 3 4 Express The interior is made of

The interior is made of raw steel and protected by a powder-coated outer shell

Pump output load 0

3x Profipress red brass transfer piece 28x1¼" male thread

outside air can optionally be used for combustion

membrane safety valve 1 2 x 3 4 Express The interior is made ofMembrane safety valve 1 2" x3 4" Pressure relief valve heating valve from Caleffi The diaphragm safety valve 1 2" x3 4" Caleffi's safety valve is a high quality safety valve specifically designed to reliably protect closed hot water systems from excessive pressure. This valve responds precisely to a set pressure of 6 bar, thus ensuring the safe operation of your heating or hot water system. Compliant with the requirements of TRD 702, DIN 4753 Part 1,