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Potterton Boiler pressure valve leaking water


 
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BunnyBoiler1

from Ireland

Joined: 17 Dec 2008
Posts: 2
Location: Ireland

PostPosted: Wed Dec 17, 2008 7:50 pm Reply with quote

Hi - Pressure on combi boiler from sealed system keeps dropping to 0.5bar which means i keep having to open the valve to get it working. When i increase pressure at only one bar the pressure valve of the boiler starts releasing water. What is the likely problem ? This has never happen before - normally i would have to increase the pressure significantly for the pressure valve to release water.
THanks
D.
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swbjackson

from United Kingdom

Joined: 12 Dec 2008
Posts: 1684
Location: Sussex,
United Kingdom
Thanked: 148 times

PostPosted: Wed Dec 17, 2008 8:45 pm Reply with quote

I would suspect that the pressure gauge itself is faulty.

Mike
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gavinda

from United Kingdom

Joined: 20 May 2006
Posts: 1241
Location: Berkshire,
United Kingdom
Thanked: 26 times

PostPosted: Wed Dec 17, 2008 10:39 pm Reply with quote

or the prv is just passing and the increase pressure makes it do this more. why not rrelease all prssure cleane the prv valve seat and check the pressure vessel is fully charged.
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BunnyBoiler1

from Ireland

Joined: 17 Dec 2008
Posts: 2
Location: Ireland

PostPosted: Fri Dec 19, 2008 2:01 pm Reply with quote

Cheers Guys - Really appreciate your help.

So if the prv is just passing - i would be supprised due to only 1-1.5 bar of pressure. I would have thought it would take more before it would pass.

So how do i release all pressure from this potterton puma and how do i clean the prv valve seat ? Is this something a lay person icon_redface.gif can do or should I call in specialist help

Thanks again and Happy Xmas to you both
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jackthom

from United Kingdom

Joined: 14 Feb 2007
Posts: 835
Location: Northumberland,
United Kingdom
Thanked: 114 times

PostPosted: Fri Dec 19, 2008 2:28 pm Reply with quote

You're not the only one with PRV problems there's a bit in the FAQs about them. http://www.diynot.com/forums/viewtopic.php?p=308252#308252
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