Baxi 105e Water under Furnace

RobFurn · 7 Apr 2010

I have a Baxi 105e and water keeps appearing in the area near the pump and circuit board. I have traced it and the water is puddling in the tray just under the furnace shown in the pic, and eventually leaks from the tray. Could anyone tell me what is causing the water build up please.

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RobFurn
7 Apr 2010
1

mr-crs · 7 Apr 2010

Yes its more than likley the O ring seals in the H.E that req replacing.

RobFurn · 7 Apr 2010

Thanks, is that a Messy Job?

Paul Barker · 7 Apr 2010

flue is usueally platsered in and mortered in, so the plaster and morter is hacked off, the flue is removed and renewed.

Baxi would have to be involved to let you know a new flue is available for a boiler of that era (pre-condensing). You won't be able to buy a seal it would be the whole flue to replace.

If it only does it when it's raining you have a different problem.

rojaca · 7 Apr 2010

Are you responding to a different post Paul?
Seals are on Heat exchanger which forms part of the combustion chamber which takes us into the realm of you needing to be competent and registered to undertake the work in question.
Not a huge job or particularly taxing in answer to your question. With good access and the o-rings to hand an engineer should take no more than an hour to do including all their safety checks.

shawd · 7 Apr 2010

Dont forget you may need new seals to pump manifold and new 3/4 washer to primary left hand side diverter, How many times rojaca half the bloody water section has to be changed cos you disturbed something,, not a bad job like you said matey if you have the room to work round the boiler, shawd

rojaca · 7 Apr 2010

only half? you've been getting away too lightly.

RobFurn · 8 Apr 2010

ok thanks all, think I will get some one in.

Boilerman2 · 8 Apr 2010

I've never had to remove the flue from a 105e to replace primary HE seals, you do have to get the side off of the inner box though so it is a RGI job. In theopry this should be an easy job....in practice NO!!

APHSLTD · 8 Apr 2010

Boilerman2 said:
you do have to get the side off of the inner box though so it is a RGI job.

Doubt the op's concerned about that given they have the front of the cc

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Baxi 105e Water under Furnace

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