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my isar boiler , ?

hi, the hot water is not great but now i noticed that the rads are getting warm when run hot water off, is the diverter passing? does it need replacing, if so is it an easy job on these the boiler is 6 years old thanks

joe wilson
October 2009
IsarHeating, Home Heating SystemsHeating Radiators Systems
yes it hard, david

capitalboilers.co.uk
October 2009

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Isar Boiler: Hot Water & Rads - Diverter Valve?