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  1. R

    two pump systems

    :D Oilman thanks for your suggestion: resetting the circulating pump to 2 and comprehensively bleeding the rads seems to have done the trick!
  2. R

    two pump systems

    We have just spent a small fortune having two replacement pumps fitted to the central heating system (one above the boiler and one next to the hot water cylinder) and having the system pressure cleaned. Now we are back in the heating season we find that every time the heating fires up (not the...
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