i have a glow worm compact central heating system just recently the radiators on the first floor of my home do not get warm whilst downstairs there is no problem. I have been told by a plumber that the pipework 10mm feeding radiators is too small and should be 15mm. I have lived in this house since new 8 years and this problam has not happenned befor. Is the plumber conning me to justify the exhorbitant cost of unneccesary removal and replacement of supply pipes
if everything has worked ok b4 then the possibility could be a blocked manifold where all the ten mm pipes connect but highly likely that your central heating pump has worn and become idle requiring replacing but no repipe should be necessary
mike
December 2005
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