Recent content by pv2512

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    Central heating but no hot water

    After checking everything again. Water section, wax capsule operation and switch operation, found a hidden fuse. This had blown. Changed, now all ok.
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    Central heating but no hot water

    Have checked the diverter valve and this seems to working fine, the shaft is being driven into the switch which is working. Can hear and see it making. Only thing is the boiler doesnt fire, any more ideas?
  3. P

    Central heating but no hot water

    Is removing the diverter valve and replacing the diaphragm an easy job. Looking at it there are 4 unions to disconnect (main water in/ hot water out/ water in/out of system) along with a 3mm copper pipe. (maybe a signal?) Is it best to buy a diaphragm or actual diverter valve? Does anyone know...
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    Central heating but no hot water

    I have a Vaillant Combi-heater VCW sine-T3W. The central heating runs fine but does not fire up when i put the hot water tap on. If the central heating is running and i put the tap on the water comes out hot, but if the central heating is off and i put the tap on, the boiler does not fire and...
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