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    converting Gravity to F/Pumped

    Asked to fit W/Bosch 24ri (client supplied) in place of Kingisher2 Mf with gravity H/W on C-plan with single combined cold feed/vent on primary flow @ cylinder. Not possible to run new primaries due to laminate floor, so looking for solutions to convert to fully pumped. 1. Simple solution...
  2. P

    Potterton Performa 24 - Poor H/W delivery

    I am an installer, who has been asked to repair a friends boiler. Initially, primary flow pin on diverter wasn't lifting & APS wasn't making, so changed diaphragm & APS, followed by complete diverter valve, only to discover that despite the pump rotor spinning (and heat being dissipated), the...
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