My parents are having a complete new oil fired central heating installation - new boiler, new pipework and new rads.
The company is registered with HETAS, OFTEC,CORGI & NICEIC but some of the copper piping is dented, slightly flattened on bends in places and at a couple of points where it will join the radiator the piping is almost the shape of an egg timer. Photos below - I hope.
I have plenty more photos if wanted.
A couple of building contractors doing other work have commented that they have not seen anything like it before - but they were not plumbers - so, any professional advice would be greatly appreciated !
Photos are in my album if you just click on the PipG
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