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Hi all, Ever since I was an apprentice plumber going back 20 or so years when we installed sealed heating systems - We always made sure that 22mm pipe would go into the expansion vessel ie do away with the actual fittings that come with it which were 15 mm and put our own 22mm female to copper adapters on the vessel.
But I am thinking say for 15kw boilers is this really necessary could i just connect it using 15mm pipe?
Thanks!
ReadingPlumber
But I am thinking say for 15kw boilers is this really necessary could i just connect it using 15mm pipe?
Thanks!
ReadingPlumber