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No hot water

Postby Rebecca » Tue Sep 11, 2007 4:40 pm

I have a Halstead Ace Boiler, the central heating works fine but the hot water won't come on. Any suggestions!!!!!!
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Simply Build It

Postby htg engineer » Sun Sep 16, 2007 5:55 pm

Could be a few problems

diverter valve stuck
diverter diaphragm split or stretched
faulty microswitch

Without knowing what you're doing, you'll struggle to diagnose the fault yourself. Call a heating engineer to take a look.

My guess would be the diaphragm in the pressure differential valve has split. If you know what / where on the boiler this is, you may be able to do some more checks. Let me know.

if i can help anymore i will
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