had same problem( Bosch 230) following action taken:
1. Replaced diaphragm in diverter valve. unsuccessful (£10)
2. Replaced diverter valve - unsuccessful (£40 Ezypart)
3. Checked gas pressure from outside main - very low. Transco fixed (replaced corroded pipe) - successful.(Free)
Have had similar problem in past -- stages 1 &/or 2. have always been successful
Regards
Mike
mike
February 2008
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