Glow worm boiler, no heating, but plenty of hot water


Postby liesauk » Sun Mar 16, 2008 3:20 pm

hello, my first post so excuse me if i break protocol.

I have a glowworm combi, I have hot water but not central heating.
pressure is at 2.5 and i have restarted the boiler etc.

I also turned boiler off, ran hot tap till cold. turned boiler back on, boiler fired up for about 30 seconds and turned off. the hot pipe underneath(2nd from left) stayed cold.

thermostat downstairs is clicking if turned.

any help gratefully received

liesa
:D
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Postby ALDA » Mon Mar 17, 2008 9:52 am

IS TEMPERATURE CONTROL TURNED UP?
COULD BE C H SENSOR?
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Postby htg engineer » Mon Mar 17, 2008 8:22 pm

If the boiler came on for 30 seconds then all must be working.

It sounds like a diverter valve problem, the pipe that is 2nd from left - is this definately the hot water draw off ?

they're not the same on every boiler (I think you've followed one of my posts for a baxi boiler)
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Postby liesauk » Mon Mar 17, 2008 10:19 pm

[quote="htg engineer"]If the boiler came on for 30 seconds then all must be working.

It sounds like a diverter valve problem, the pipe that is 2nd from left - is this definately the hot water draw off ?

they're not the same on every boiler (I think you've followed one of my posts for a baxi boiler)[/quote]

yea I followed the diagram on the manual. I thank you all for your help, it turned out that it was the differential valve, it was leaking, got a replacement and had to order a new pump too.


but thanks guys for all your help
liesa
x :D
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