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I guess you mean this? Must be manual from what you are showingManual valve will look like a stopcock, an automatic valve will look something like this.......
View attachment 282085
I guess you mean this? Must be manual from what you are showingManual valve will look like a stopcock, an automatic valve will look something like this.......
View attachment 282085
OK then, some real info at last from the above......Compact 28 SE
If one side gets warm then there is flow, even if low. Domestic radiators are normally in parrellel not series, if the TRV's are doing there job, then the radiator may only get warm.You mean turn them all off then open one at a time until lockshield side pipe heats? I have some where the lockshield side is cold the TRV side is warm and radiator is warm. It's like the heat is going in one side but not coming back out the next in order to heat the next rad? Could this be a blockage? Would a power flush possibly solve it. Really don't want to throw money at things if a new boiler would solve the problems.
It was I believe. I have arranged for someone to have a look at it all so hopefully it can be resolved.>this all started a couple of years ago when one radiator just completely stopped heating despite no messing with balancing, having the valves fully open, bleeding it and taking it off and forcing water through. <
The system maybe has problems with blockages of sediment. Was the water you poured of that radiator very dark grey/black?
A power flush may be needed.
They are and I have no clue what a return strainer is.Are the valves fully open?
Is there a return strainer?
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