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Mend Grant Vortex Heating Hot Water Combi

How can I fix my Grant combi ?

My Grant outside combi isn,t providing very much hot water. It seems to only fire occassionally and when it does we have dark grey smoke from the flue which smells. After about thirty seconds the output from the flue is clear and just has a faint smell as per normal. Any suggestions ?

Jeff T
November 2008
GrantGrant VortexHeating, Home Heating SystemsHeating Hot Water Combi
Hi Jeff, like you I have been having a problem getting hot water since last November, boiler not firing properly most of the time for the hot water, central heating fine. Original installer been round 4 times and typically has heated when he has been here - he has been unable to fix this problem. Did you find any solution?

JW
January 2009

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Grant Combi Not Heating - Fixes & Smoke Issue