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PostPosted: Sun Jan 08, 2017 8:03 am 
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Hello everybody,

I have a very urgent problem and would be incredibly grateful for help! My wife and I are expecting our first baby on the Jan 19, and moved house on Dec 29. We had three radiators replaced: In our bedroom, the “first” baby’s room, and the “second” baby’s room (all upstairs). These are not working properly. Our plumber has been here about 7 times and still hasn’t got them working. Temperatures outside have been close to minus 10 degrees this week (in Germany). It is crucially important that we are able to control the temperature when the baby is here – it is a serious health risk. I really, desperately need some support.

Currently, the radiator in our bedroom and the one in the “second” baby’s room only become warm when the radiator in the “first” baby’s room is switched on to full power (setting 5). There is another radiator on this level (bathroom), which was not replaced and works exactly as you would expect it to (so do all others in the house).

We have bled the radiators, and the pressure in the boiler is fine (the radiators in the attic, above the bedrooms, work fine). I can’t really afford to keep paying a plumber to come over, and to be honest, I am beginning to lose confidence in his abilities. Also: My wife and I are extremely nervous that this could be harmful for our baby when she arrives.

Can anybody PLEASE help?!


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PostPosted: Sun Jan 08, 2017 8:23 am 
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:welcomeuhm:

first thing to try would be to close down the lockshield valves (opposite end to the TRVs) on all rad that are working normally and see what happens to the rads you are having problems with.

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PostPosted: Sun Jan 08, 2017 10:25 am 
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Unfortunately I do not have a clue how they might plumb systems in Germany, but it sounds as though it might be some form of one pipe system from your post.

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PostPosted: Sun Jan 08, 2017 10:28 am 
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Did you have thermostatic valves fitted at the same time as the new rads? If it is a one pipe system you will need special ones, standard ones will cause the problem you describe.

I know you just moved in are you sure the old rads worked before they were changed?

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PostPosted: Sun Jan 08, 2017 10:36 am 
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Hi,

Thanks for your fast responses!

Our plumber was working on the assumption that it was a one-pipe system. He then said it was probably a mixture of a one- and a two-pipe system. He then consolidated it into one of these systems, but I don't know which -- I was at work and my wife can't remember. In any case, new thermostatic vavles were also included. I do not know whether the old radiators worked, but they were certainly quite old.


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PostPosted: Sun Jan 08, 2017 11:08 am 
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Might be worth trying to get hold of the vendors to see who used to look after the heating. We've all been caught out by systems that have been piped unconventionally

BTW :welcomeuhm:

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PostPosted: Sun Jan 08, 2017 6:16 pm 
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ColdInDuesseldorf wrote:
Hi,

Thanks for your fast responses!

Our plumber was working on the assumption that it was a one-pipe system. He then said it was probably a mixture of a one- and a two-pipe system. He then consolidated it into one of these systems, but I don't know which -- I was at work and my wife can't remember. In any case, new thermostatic vavles were also included. I do not know whether the old radiators worked, but they were certainly quite old.


He'll have tried to convert from one-pipe to two-pipe... but sounds like there is summat wrong on the 2 rads you are having problems with.


As an aside what size/s are the pipes feeding the rads ?

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PostPosted: Sun Jan 08, 2017 7:58 pm 
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Not wanting to sound rude or knock your plumber, but it sounds like he has ballsed up on what type of system you have.

Can't see how you can combine one pipe and two pipe successfully on the same system.

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