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Mend radiator thermostatic stuck
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One radiator in a bedroom is always cold?

One radiator in a bedroom is always cold. It used to work fine. I have tested the thermostatic value and the... [Read more]
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Mend Glowworm Ultimate Boiler Heating Relay

Boiler making clicking sound?

I have a glowworm ultimate boiler, it has been fine prior to the past few days, sometimes just before it fires it makes a clicking noise like a chatering relay for a couple of seconds then it fires up. I have took the cover off to look and there is a unit with the gas pipe going into it that makes the noise. Is this some form of regulator/gas control swithch ?.

Ted Bowen
February 2008
GlowwormGlowworm UltimateHeating, Home Heating SystemsBoiler Heating Relay
its the igniter

Bill Murtagh
February 2008
Not nessasarily the gas valve playing up, or something a gas fitter is needed for. Mine did this too, I located it to a poor connection on the temperature selector (the slider potentiometer you select the radiator temperature with). Replaced the potentiometer... and no problems....

Boyd S
February 2008
It's not a sticky gas valve - if it's chattering, it's because the relay driving the gas valve is chattering because the electronics on the ocb is faulty

... corgis

geoff@cet
February 2008
sounds like your talking about your gas valve. it maybe getting abit sticky.
but that comes under corgi.

hi-spec plumbing & heating
February 2008
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