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High pressure, combi boiler, how to release?


 
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crissybwoy

from United Kingdom

Joined: 04 Mar 2005
Posts: 12
Location: United Kingdom

PostPosted: Fri Mar 04, 2005 8:47 am Reply with quote

Hi, first post here, I've been to these forums before but never needed to post as i've found the info I needed before but cant find what I need this time.

I recently moved into a house, it has a Vokera Maxin combi boiler. Had a problem with one of the rads (it fell off the wall) but have sorted that out, now the boiler has pressure going past 3 bar (after sorting the rad I set set the pressure a 1 bar). Is there any way of me sorting this myself or should I be calling out a plumber.
Is my boiler going to explode?
Cheers
Crissy

:EDIT: I noticed the high pressure when the hot tap in upstairs bathroom stopped working.
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Bahco

from United Kingdom

Joined: 08 Feb 2004
Posts: 7983
Location: Wolverhampton,
United Kingdom
Thanked: 80 times

PostPosted: Fri Mar 04, 2005 9:17 am Reply with quote

Has the filling loop been removed?

Reduce pressure by draining some water out of a drain point under a rad.

If pressure keeps rising, suspect the pressure vessel needs recharging. icon_sad.gif
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oilman

from United Kingdom

Joined: 16 Sep 2003
Posts: 7965
Location: United Kingdom
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PostPosted: Fri Mar 04, 2005 7:06 pm Reply with quote

BAHCO wrote:
...........Reduce pressure by draining some water out of a drain point under a rad.


It's easier to use the pressure relief valve, and if it leaks afterwards, either the water is dirty or the valve is duff. Replace it. If the expansion vessel needs attention, the valve is probably operating now and again anyway.
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bawdry (31 Mar 2011)
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crissybwoy

from United Kingdom

Joined: 04 Mar 2005
Posts: 12
Location: United Kingdom

PostPosted: Fri Mar 04, 2005 7:47 pm Reply with quote

Cheers for the replies! Where would I find a pressure release valve icon_eek.gif ?
Cheers!
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kevplumb

from United States of America

Joined: 18 May 2004
Posts: 23673
Location: Georgia,
United States of America
Thanked: 918 times

PostPosted: Fri Mar 04, 2005 8:15 pm Reply with quote

it's the bit of brass with the red plastic cap
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bawdry (31 Mar 2011)
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crissybwoy

from United Kingdom

Joined: 04 Mar 2005
Posts: 12
Location: United Kingdom

PostPosted: Sat Mar 05, 2005 8:15 am Reply with quote

Cheers for that, found the brass bit with the red cap inside the flap on the boiler front that you have to unscrew. Good job I've seen some heating engineers work on similar boilers or I would of had to ask where the pressure release valve was!
Cheers for all your help. Boiler now sorted!
Crissy
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PEDANTICVINDICTIVEMAN

from Western Sahara

Joined: 10 Jul 2004
Posts: 6705
Location: Western Sahara
Thanked: 1085 times

PostPosted: Sat Mar 05, 2005 8:26 am Reply with quote

Thatl'l be 5000.00 callout plus parts, send money to any local criminal, the numbers are in the yellow pages uner CORGI gas fitters.
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bawdry (31 Mar 2011)
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