Tacky substance from boiler


Postby kbrownie » Mon Jan 05, 2009 10:09 pm

Hi all,
My problem is I have Baxi Riva condensing boiler not very old (1 year)
It has started to weep what I can only explain as a tacky gluey substance a little like tree sap but not as thick. There is a vent on the underside of the boiler where this substance was coming from. On closer inspection and looking at the manual, above this vent is the boiler pump and push down air valve. No sign of anything sinsister. What could this be?
KB
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Postby plumbbob » Tue Jan 06, 2009 10:48 am

It is possible you have a minuscule water leak at that point. The water is evaporating leaving the remains of the rust inhibitor that is mixed with the water.
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Postby kbrownie » Tue Jan 06, 2009 1:07 pm

is it a problem?
kbrownie
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Postby plumbbob » Tue Jan 06, 2009 11:31 pm

Ah, now that's a good question. If my suggestion is right, then the tacky stuff is unlikely to do any harm. If there is a leak, then not only can water get out, but oxygen can get in. Will this cause any damage? Probably not, but that depends more upon how much is leaking and where from precisely.
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