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PostPosted: Mon Apr 16, 2018 4:08 pm 
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Hi All

I have come to drain down my combi system because I need to replace the filler loop as its started leaking. When I turned the small square tap on the drain valve to let the water out, it snapped clean off.

It is the only drain off in the system. Is there any way to drain down the system without getting water everywhere?

Thanks in advance

Jim


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PostPosted: Mon Apr 16, 2018 5:00 pm 
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There's always a way. Close off both valves on the rad nearest your back door or whichever is most convenient.

Then get one of these

https://cityirrigation.co.uk/acatalog/B ... gIFA_D_BwE

of the correct size for your valve (mine are 1 inch, old CH system yours may be smaller.) EDIT. You'll also need a hose connector https://spares.hozelock.com/product/9mm ... nnector-1/

Next disconnect that radiator... you'll need a couple of old towels and summat like a small plastic container to catch the water from the rad.

Screw the tap connector over the valve and open it.

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PostPosted: Mon Apr 16, 2018 6:00 pm 
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Undo the nut holding the valve onto the valve rail and let it drain into a plastic bowl or similar.

Once the pressure has dropped the water won’t run much more, then swap the lock shield for a new one.

Also replace the filling loop at the same time.

No need to drain the system to do either.

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PostPosted: Mon Apr 16, 2018 6:05 pm 
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gas4you wrote:
Undo the nut holding the valve onto the valve rail and let it drain into a plastic bowl or similar.

Once the pressure has dropped the water won’t run much more, then swap the lock shield for a new one.

Also replace the filling loop at the same time.

No need to drain the system to do either.


::b ::b Sometimes I don't think of the obvious...

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PostPosted: Tue Apr 17, 2018 9:30 am 
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Thank you both for the replies.

gas4you, just to confirm, should I undo the nut in the attached picture or a different one?

Thanks again

James


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PostPosted: Tue Apr 17, 2018 12:50 pm 
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Yes that’s the one. My post should have read ‘tail’ not rail.

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PostPosted: Tue Apr 17, 2018 4:32 pm 
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haha! I have a go at most things round the house but don't always know the terminology, I just assumed it was something I hadn't heard of before!

Thanks again for your help.

Cheers

Jim


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