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Worst case scenario in our case:
Filling bath, showering, washing up and whole-home heating running full blast simultaneously. ~150m2 4-bed over 3 floors with 9x rads and 35m2 underfloor heating. 1x family bathroom, 1x small toilet room.
Which advantages would having a system with tank bring, over and above just an appropriately-specced combi?
ectoplasmosis
konastab01
It’ll be overkill I suspect. You actually want a combi to be condensing and running at capacity rather than over size. The actual limiter is the flow rate for cold supply when looking at multiple showers etc