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Discuss Boiler with no radiators in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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Hi,

Is it ok, after draining the system and removing all but one radiator to turn on the combi boiler, in order to get hot water, until new radiators are installed?

I've left the pressure at 0 so haven't filled up the system and have put capnuts on each TRV side just in case. (Couldn't get capnuts to fit lock shield 15mm or 22mm) So I could pressurise if needed.

Thanks, Greg
 
No your boiler requires a min heat leak at a min you could link the flow and return pipe from the rad valves eg stick a pipe between the valves
 
Thanks, I appreciate the reply.

I presume the only problem would be if I turned the heating on, with no water in system, and this could damage the pump or something.

Sorry, didn’t you said you say you were leaving one radiator on with water in?
 
Sorry, didn’t you said you say you were leaving one radiator on with water in?

Yes, but I should say there's actually two because I couldn't close the TRV on second so leaving it till new radiators come. I haven't filled the system so there's no water, fully drained.

So I did turn the boiler back on and hot water came out fine. I just wanted to check if this was going to damage the boiler in anyway.
 
Hi,

Is it ok, after draining the system and removing all but one radiator to turn on the combi boiler, in order to get hot water, until new radiators are installed?

I've left the pressure at 0 so haven't filled up the system and have put capnuts on each TRV side just in case. (Couldn't get capnuts to fit lock shield 15mm or 22mm) So I could pressurise if needed.

Thanks, Greg
carry on re pressurise to 1 bar bleed etc. switch it on open valves etc and give it a go. should be ok ...what sort of combi....lets us know how you get on, makevsure the rad is open and bled
 
Yes, but I should say there's actually two because I couldn't close the TRV on second so leaving it till new radiators come. I haven't filled the system so there's no water, fully drained.

So I did turn the boiler back on and hot water came out fine. I just wanted to check if this was going to damage the boiler in anyway.

It is a Sunday and I am hungover, but I assume there’s water in the boiler?
 
Thanks for all the info.

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