8mm Microbore to 15mm heating pipes

Bubble-07 · 5 Dec 2007

Hi, I've had some work done by British Gas (re-piping 3 rads from 8mm to 15mm copper) at an extortionate price. Now find one other rad isn't getting hot at bottom, tho flow is hot - no heat at return. Have flushed the rad thru and read the threads about trv being stuck. Is is probable that the 8mm microbore is the problem? Have been quoted over £400 by BG to re-pipe this one - only 15mtrs of copper involved. Also will going from 8mm to 15mm from the manifold work as surely the flow will still be restricted to 8mm (i.e. chain/weakest link etc).

Thanks

Bubble-07
(Shaken not stirred)

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8mm Microbore to 15mm heating pipes

Bubble-07

DIYnot Local

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