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Worcester 350 Combi 1994 Model?

Hot water starts up O.K then gas goes out for 10/15Secs then lights up again,it will keep doing it on and off repeating,Central Heating no problems.
Mr Rowe, November 2008
Could well be the diverter valve on the way out, fairly common problem on combi. Not a major job to get or change.

Pete H, January 2009
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