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Upstairs Does not Have Heating but Downstairs Has?

Postby Dailyli » Wed Oct 22, 2014 8:57 am

We replaced a valve for a radiator downstairs yesterday, lots of water come out from that radiator.After the replacement, there is no heating for upstairs radiator but downstairs still have. What could be the problem. Our boiler is worcester 14/19CBi, any idea how to check the air pressure or adjust the pump power?
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Simply Build It

Postby proptech » Wed Oct 22, 2014 5:54 pm

Hi dailyli

It would seem that you have emptied the upstairs rads. You must refill the system to approx 1.0-1.5 bar, then bleed the rads. You will have repeat this till all the air is out.
Do not use the boiler till you have the correct pressure in the system.
When all is OK and there are no leaks, you need to replace the inhibitor that must have been lost with the water.
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