I have just fitted a new central heating circlation pump which is
located close to an old glow worm boiler.(lots of spanners, hammering)
The pump works fine but on starting the central heating after
completing the job the boiler would not work properly. The pilot light
kept going out. I bought a new themocouple thinking this was the
problem but still no joy. What happens is the pilot lights and stays
lit, when the main jets are fired up it works OK, but shortly after
there is a click and the main burner and pilot both cut out. Any
Check the terminal assembly is clear, ours started going out after the
gas board *serviced* it, they vac out the boiler housing, but not the
flue/inlet duct, the thing just runs out of oxygen, and now being the
time of leaf fall it just might be....BTDT every 2 years!
Nope, but I wouldn't mind some too. It may have nothing to do with the pump,
my Gloworm does this occasionally (but only when I'm not looking :-(). I
come home and it's off with no pilot light. My best guess at present is that
the pilot light jet is a bit blocked. I must get round to looking at it!
(anti-spam is as easy as 1-2-3 - not)
On Mon, 01 Dec 2003 10:23:31 +0000, Christian McArdle wrote:
pouring the contents of a removed waste trap down the nearest waste.
forgetting to switch on the plug before pushing back an appliance into its
Its some sort of circulation failure, could even be a dry pump. You did
bleed the pump by removing the end cap...
Ed Sirett - Property maintainer and registered gas fitter.
The FAQ for uk.diy is at www.diyfaq.org.uk
Got close to solving the problem. Dissembled the pilot,igniter and
thermocouple assembly then undid the pilot jet from the pipe. At the
top of the pipe was a plug of carbon, removed this and the pilot light
was much larger, thus heating the thermocouple. Thought I had the
problem cracked but after 24 hours went out again may need to revisit,
will advise outcome.
It sounds like either the thermocouple may need a bit of tightening
into its socket, or that the tip is not 'seeing' enough heat on its tip
when the main jets fire. Try moving the tip so it is better located in
the pilot flame and/or truning the pilot jet up a little if it is
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