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Post by rocketmanbkk on Oct 26, 2017 19:02:01 GMT
So a new boiler was fitted, vaillant combi
3 new rads added to a new extension
Now there’s no heat to rads in extension
Microbore other than in extension.
Any thoughts?
It’s got a loft conversion too so the new extension is last on the list to be fed
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Post by crowsfoot on Oct 26, 2017 20:02:05 GMT
Where as the feed been taken from rocky for the new radiators?
I'm taking it that the rad's in the new extension have been piped up using a small bore (15mm) two pipe system.
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Post by battle1066 on Oct 26, 2017 20:02:23 GMT
What's the system pressure at now the rads have no heat to them?
Have the three radiators be added with a new manifold or just added to the existing circuit?
Is the system balanced correctly so that the rad beside the thermostat isn't turning the boiler off before the whole system heats through?
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Post by tomplum on Oct 26, 2017 20:14:24 GMT
could just be airlocked but if you've tried the obvious , turning everything off thats working, and its still not getting through, then someones cocked up the pipeing and its going to be a nightmare, I've seen many extentions where the builder has just extended off a 10mm piped rad and expected it to work,  |
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Post by rocketmanbkk on Oct 26, 2017 20:16:19 GMT
The new rads are taken from the 22mm we found in the ceiling. They are all on 15mm.
We went back yesterday & balanced. All was lovely & hot.
Now there’s the issue
I don’t know the pressure & I’ll check the rad near the thermostat.
I do know the boiler was constant & not turning on & off.
It’s strange as all was lovely & hot yesterday
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Post by crowsfoot on Oct 26, 2017 20:25:48 GMT
It sounds as if it's all been done right.
Air's not usually a problem on a pressurised system.
All very strange...........
Thinking on Air is about the only explanation to it going off.
I've often gone into the roof and just lifted up the heating pipes a little bit higher up which as fixed it.
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Post by rocketmanbkk on Oct 26, 2017 20:30:51 GMT
Yeah, all done 100%
Very strange
It’ll be sorted somehow
I’ll report back on this
Cheers all
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Post by tomplum on Oct 26, 2017 20:35:08 GMT
thats good to know its piped right, so it could be as battle says, a stat working but in the wrong place or a piece o shit got stuck in a pipe, First thing to do it turn all the working ones off and go from there,  |
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