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www.ultimatehandyman.co.uk Forum Index -> Plumbing Forum
-> Central Heating & Boilers |
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gemmybear83
Junior Member
Joined: 06 Oct 2008
Posts: 4
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 Posted: Mon Oct 06, 2008 12:29 pm Post subject: Rising water pressure |
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Hi I hope you can help me (I'm new to all of this!)
I have a 9 month year old new worcesterbosch boiler, not had any problems until now...
Started putting the heating on over the last couple of weeks and noticed that the water pressure had gone just over the "2" mark, needed to bleed the radiators upstairs anyway so did, and then repressurised the system to the "1" setting.
Noticed over the last couple of days that after we have had the boiler on it does not got back to "1" instead it seems to linger at "1.5" (this is hours after we have had it on).
Can anyone help?? Any help is much appreciated! |
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thescruff
Senior Member
Joined: 10 Mar 2008
Posts: 4662
Location: Bath
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| Posted: Mon Oct 06, 2008 1:11 pm Post subject: |
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It's normal for the pressure to rise as the heating heats up, how high depends on the volume of the system water, it could be you need an addition expansion vessel.
Set the pressure at 1bar cold, and disconnect the filler loop if, you model has one.
post any results, but remember you are still under warranty, so don't forget the installer.
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Scruff |
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gemmybear83
Junior Member
Joined: 06 Oct 2008
Posts: 4
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| Posted: Mon Oct 06, 2008 1:16 pm Post subject: |
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Thank you for your response, I only have one cap attached to my filling loop on my model do I just disconnect one end and leave the other end connected, or am I missing a cap??
Thanks again |
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thescruff
Senior Member
Joined: 10 Mar 2008
Posts: 4662
Location: Bath
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| Posted: Mon Oct 06, 2008 1:22 pm Post subject: |
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You don't need to cap the loose hose end.
Can you post a pic of the filler and a model of the boiler just so we're on the same wave length.,
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Scruff |
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gemmybear83
Junior Member
Joined: 06 Oct 2008
Posts: 4
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| Posted: Mon Oct 06, 2008 1:57 pm Post subject: |
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Thanks the boiler is a greenstar 28i junior - here are the photos.
 
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thescruff
Senior Member
Joined: 10 Mar 2008
Posts: 4662
Location: Bath
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| Posted: Mon Oct 06, 2008 2:09 pm Post subject: |
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Carefully disconnect the left hand pipe and cap it off, drain the hose into a bucket.
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Scruff |
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gemmybear83
Junior Member
Joined: 06 Oct 2008
Posts: 4
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| Posted: Mon Oct 06, 2008 2:11 pm Post subject: |
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| Thank you very much - I going to wait until late for someone to come home and give me a hand in case I make a mess will let you know how I get on! |
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