ufeffelectric combi Open-vented Boiler for heating and hot water
Electric boiler - MyBuilder. There should be a valve for each attached to the boiler rig. If you were to divert these pipes to your other electric boiler, I would assume you will still need to pressurize the 'hot water combi' to 1bar to allow it to give you hot water. you cannot drain the heating side of the hot water combi and leave it empty and open.
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