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jay5858 12-08-2015 04:08 AM

radiator
 
I have 5 radiators 4 of them work perfectly and one of them just gets warm but if I turn the other 4 off it goes hot, I have bled the radiator so water is coming out of it but this hasnt solved the problem, any ideas please

beenthere 12-08-2015 04:54 AM

What is the pressure on the boiler gauge, and is this rad on a higher level then the others. Was the circulator changed out, and then this started to happen?

jay5858 12-08-2015 05:11 AM

it says 1.3 bar, and all the radiators are on the same level even though they are different sizes

beenthere 12-08-2015 05:20 PM

How long has it done this? Is the home very long, or short. Post brand and model number of your circulator.

Ron6519 12-08-2015 06:03 PM

Where in the sequence is the bad radiator?

jay5858 12-09-2015 03:51 AM

its probably the last in the loop situated in a 12ft x 10ft living room it was installed 18 months ago its a glow worm 30cxi boiler

beenthere 12-09-2015 03:59 AM

Probably not piped up right. You can probably get a way with just getting a higher rated circulator.

jay5858 12-09-2015 04:12 AM

there was a larger radiator there previously but this was changed when we had the conservatory built, the radiator has been working perfectly for 18 months up until recently

beenthere 12-09-2015 04:36 AM

Quote:

Originally Posted by jay5858 (Post 2769034)
there was a larger radiator there previously but this was changed when we had the conservatory built, the radiator has been working perfectly for 18 months up until recently


Check the amp draw of the circ while its running, and see if its drawing more then its FLA rating.

Could someone have turned the valve closed tightly, and then reopened it. If so, sometimes the valves don't actually reopen from being over tightened.

Is this a mono flow system, or a 2 pipe system.


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