Don't know how to do pics. Got at least 2.5mtrs headroom in loft. Thought 1200 x 450 indirect combination tank with header tank base level with top of new cylinder.
Those tanks apparently are very common round here.
Hope I can trouble you guys for a bit advice. We have a large rectangular tank in our loft that supplies our hot water(gravity) and tops up the pumped central heating. This has sprung a leak and needs replacing but after ringing round for prices I feel that there must be a cheaper option. I...