When a pump is fitted to boost the supplies from the cold water storage tank and from the cylinder to showers, baths and basins the risk of aeration is increased many times.
The fitting of a S flange can reduce this risk but encouraging aeration to follow a natural path to the vent and prevents aerated supply water being drawn into the pump.
The Salamander S Flange has a 28mm compresion fitting at the top which includes a 28mm x 22mm reducing set. It has 22mm compression outlet to the pump.
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