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Our house has a 15mm mains water into the house. We are about to buy an indirect thermal store that will provide mains pressure hot water to the taps/shower/bath (there will be no cistern in the loft).
The connections on the store are 22mm, so is there any point in using 22mm pipes anywhere? Will it provide less resistance around the house & thus faster flow rates? Will it provide faster flow rates of hot water? Or is it all restricted by the 15mm mains?
The connections on the store are 22mm, so is there any point in using 22mm pipes anywhere? Will it provide less resistance around the house & thus faster flow rates? Will it provide faster flow rates of hot water? Or is it all restricted by the 15mm mains?