any advise please - I need to reposition an upstairs radiator running off microbore pipe. The system runs off an unvented cylinder and the pressure is reading 2 bar. Have I any options other than draining the system down and then repressurising. I only need to extend the microbore pipe some 10 cm to repositoin the rad. any suggestions appreciated
Why not drain it ? it's a pressurised system - easy to refill and airlocks simple to sort. I take it you've heard about airlocks and that's what is putting you off draining down - not a problem with pressurised systems.
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