Non return valve 10mm - fresh water supply
Drinking water Check valve
Valve in the line for submersible pump and TRUMA boiler:
Prevents backflow of water from a pipe.
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Drinking water Drain valve plastic
Drain valves can be installed between the water pipe or at its end for emptying.
This enables the hose lines to be emptied completely, which largely eliminates the risk of the water hose freezing and bursting in frosty conditions, for example.