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View the thread, titled "In multilayer pipes, why is there a 25mm and a 26mm?" which is posted in UK Plumbers Forums on UK Plumbers Forums.
Different manufacturers so one started doing saying look ours has extra flow potential now a few offer 26mm
you won’t notice anything so pick what’s easiest local to get / been around locally for a while
you won’t notice anything so pick what’s easiest local to get / been around locally for a while
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Reply to the thread, titled "In multilayer pipes, why is there a 25mm and a 26mm?" which is posted in UK Plumbers Forums on Electricians Forums.
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