Why change the hot water cylinder and peripherals? There are boilers around that don't insist on a sealed system. Of course if they're in poor condition and need changing it would be the way to go at the same time.
Would still be worth trying to dump the electric one asap as it will be far more expensive to run than one using gas-heated water (which will also give you a much better shower!)
David
Go for the combi.
A small rad can be fitted inside the cuboard releasing space.
and wants to be on its own zone with a thermostat to work as effectively as a hot water cylinder in keeping constant heat in the cupboard.
A Worcester Bosch 30 Si (I think) is being installed on Wednesday/Thursday.
It was suggested to me, by someone else who gave me a quote, to install a small rad in the airing cupboard. I may well give them a ring tomorrow. The installation engineer came out today to add some liquid to the header tank in preparation for draining the system.
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