ive had problems with my hot water and heating which have now been sorted ish, during the work two set of engineers noted the same thing that the boiler fires up but switches off quite quickly but the outgoing pipe keeps getting hotter for the next 30 seconds or so while the return takes a long time to get through, they both said it could be because of the 8mm microbore, i know where the manifolds are for upstairs and downstairs and wondered if it would be feasable changing the 8mm to larger bore and how i would go about it, the system has had fernox running through it and a magnaclean fitted which does seem to have improved it a little
converting microbore
- Thread starter jjbull
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