Boiler help.....?

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Boiler help.....?

Postby Lewis1988 » Sat Nov 28, 2015 3:38 pm

Hi all

My boiler keeps loosing pressure...aghhhhh

I have had the PRV replaced as it was dripping on the outside of the house so suspected the PRV was bust
But this hasn't cured the problem

Any ideas ???
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Re: Boiler help.....?

Postby Viking » Sat Nov 28, 2015 5:49 pm

Has the prv now stopped leaking? If so put a bucket under the discharge pipe and make sure it's not opening when hot. If the bucket stays empty then you have a leak on the heating system or boiler (look for water).

If the bucket fills with water then you have probably got a failed expansion vessel. Check this and report back.
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Re: Boiler help.....?

Postby moulin12 » Sat Nov 28, 2015 8:49 pm

might sound obvious, but double check that any boiler filler valves are shut tight.
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