Heating pump in wrong direction
Posted by rayb on March 07, 2004 at 04:50:45:
Our plumber tells us he thinks the pump is drawing water from the outlet rather than pumping it from the inlet. We checked a neighbour's identical system and theirs is the same. The plumber says this is preventing the system from being filled, causing trapped air and noise. He has fitted a new pump (the old one died) and has the central heating working but not the water heater. Also one radiator is stone cold. The others are fine and there is no air in the radiator.

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