Main 18 HE gurgling

Miggi

Miggi

Joined
30 Sep 2011
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Hertfordshire
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United Kingdom
Hi all.

I have an issue with the above boiler upon firing up. The unit gurgles and only stays on for 5 minutes then flashes up with Air Pressure Switch failure. It does this 3 times before Locking out.

I can resolve this by draining the Condensation trap for some reason which is External to the CChamber. The boiler will then work for about 5-6 hours but then once the Condensation trap is full this error will re-appear.

I do not plan to open the combustion chamber after having a read through the FAQ's I know this is a no no. But I would like an idea of what's going wrong if anyone has come across this before.

Thanks for reading.

Michael.
 
I would hope that is the case. Trouble is it's such a pain as it's only got an inch of play from the wall. Could disconnect it from the soil pipe I suppose and see if anything comes out. Thank you.
 
Thank you gents. Was treated to a bucket of old water which I was glad of and the condensate pipe was indeed gunked up. Only moved in the house last year but would guess the boilers a fair few years old. Ran a hose pipe through and flushed the crud out. All fine overnight. Thank you again.
 
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