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RMC 4 in 1 Hot Inlet Control Valve c/w Adj Limiting 20mm CV75
The Filling-Group type 2128 is designed to automatically fill and refill central heating installations. The Filling-Group is permanently connected to the heating installation. The connection to the potable water system is made with a hose. When the supply pressure falls below the pressure of the heating installation during the filling operation, the water into the potable water system.