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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Plumbing Questions >> combi help https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1175165748 Message started by numbnutz on Mar 29^th, 2007, 11:55am

Title: combi help
Post by numbnutz on Mar 29^th, 2007, 11:55am

i have ravenheat white star combi
when i run hot water it wont stay hot goes hot then cold then hot then cold etc
but when central heating is on very low the hot water stays constant
was working fine 4 a year
any ideas