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  1. H

    Potterton Superprima 40 - Hot water but NO Central heating

    Thanks Mandate ... is there any chance it would be a PCB problem or the Pump. Thanks
  2. H

    Potterton Superprima 40 - Hot water but NO Central heating

    Can you please help:- I'm getting hot water(HW) but I don't seem to get any central heating(All the radiators are cold). The boiler fires up okay when HW is selected but when selecting CH, the red light LED stays ON on the boiler panel, with green OFF.
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