I have recently taken out my bathroom suite only to find the entire suite and feeds (hot and cold) were plumbed in with 15mm copper pipe. The hot water is plumbed in 15 mm right back to the combi boiler and the cold is also in 15mm to the isolating tap. Is this okay, or should I fit 22mm feed pipes back to the combi boiler? Thanks.
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15mm or 22mm
- Thread starter BiggerBoat
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- 21 Oct 2006
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BiggerBoat said:
All is correct as is
Thanks VOTM! Makes my life easy 
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