One Cold Radiator in New Combi System With Some new Radiators


Postby longmate91 » Wed Aug 09, 2017 6:45 am

Hi last year i had my old boiler replaced for a new combi, at the same time i replaced some radiators and ever since one of the new rads wont get hot, unfortunately i dont know if this radiator ever did get hot on the old system as its a room we never used since buying the house a couple of years ago. The radiotor does get hot if i turn all the others off, its physically the furthest from the boiler, ive had the boiler off and flushed it through, its had new valves on it, the feed side has a TRV but thats not stuck, the plumber who installed the boiler believes there could be a restriction and im guessing his theory is when all the others are shut it has enough pressure to push through the restriction? But ive read about having to balance the system but he says a combi system shouldn't need balancing, any advice would be appreciated.. thanks
longmate91
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