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  1. G

    worcester hi flo 400 rsf

    thank,s sussed out that bypass filter blocked i run through compleat system rewed seals cleaned out filter at bottom of manifold also placed heat seek grease on bulb and capillary tube cleaned and vacumed burner and fan assembly.Any one out there fancy a mature apprentice.
  2. G

    worcester hi flo 400 rsf

    hi changed the diverter valve today and seals noted a black chalky substance in pipes .Have managed to cure the noise but rads still getting hot when useing domestic hot water i guess that the heat exchanger is partialy blocked. can any one advise best way to clean out without totaly stripping...
  3. G

    worcester hi flo 400 rsf

    dear all my6 year old boiler has developed a fault that when the hot water is in use the radiators upstairs also get hot and there is a strange crackling noise from the boiler. I have assumed that the diverter valve may be faulty but would like advice, Thanks :?:
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