I've just had my water pressure and flow rate measured by Severn-Trent and it's slightly better: 16 litres/min and 36m head of pressure.
He advised that this was OK for a combi boiler but the concensus here is that 20l/min is the minimum?
M.
Boiler suitable for fitting in loft
Jul 13, 2004
41 Replies
No. That's absolutely fine for an instantaneous combi. There is no marginal about it. It's a little low for a mains pressure storage system, but not low enough to stop them working, just enough to make the advantages over an instantaneous combi less compelling.
Christian.
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