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damaged tubes can be replaced without having to drain the solar circuit
for example through the Federal Funding for Efficient Buildings – Individual Measures (BEG EM)
SSL data encryption and VDE Smart Home security certificate for secure internet and data communication
If the supply pressure exceeds 6 bar
Zugbegrenzer Z4 130 x 190 mm Steuerplatine damaged tubes can be replacedDraft regulator Z4 130 x 190 mm The draft regulator Z4 from Upmann is approved for oil, gas, and all solid fuels, whether for new installations, renovations, or all conventional systems. These systems require a specific and constant negative pressure for operation. If the chimney exceeds the value for optimal draft, the flap of the chimney draft regulator opens and reduces the negative pressure by allowing additional air to flow in. Once the preset