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    just to say thanks

    hi would like to thank everybody who replied to my posting re vokera boiler with poor hot water and rad probs.much appreciated thank you. the out come was i removed both heat exchangers and d sludged themwith a chemical sm4 and reinstalled replaced pump and removed restrictor and water is...
  2. A

    vokera syntersi combi problem

    hi can any body advise i have a problem with a vokera combi syntersi boiler can only get rads upstairs working but not downstairs or visa versa boiler is about 3 years old thought it was sludge so replaced all pipie work and rads same prob.pump is running ok hot water flow is very poor with...
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