Hi, to cut a long story short, am going to change from a gravity-fed system to a mains pressure system, partly because I need to remove the existing gravity-feed tanks from the roof space, and partly because I need a new boiler.
I will only be needing a domestic hot water supply (ie, no central heating) and will need water for a kitchen, and 3 bathrooms.
Question: Should I get an on-demand boiler (multi-point) system, or have a more 'traditional' system with hotwater cylinder? And should I go for vented or unvented?
Any advice, information, or related comments welcome!
I'm getting rid of the tanks because they were housed on the (flat) roof, which is being replaced due to multiple problems, and I would prefer to keep the surface as simple as possible so the tanks have got to go.
Having read this:
I was under the impression it was possible to have a vented system that wasn't gravity fed... is that wrong?
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