Hi all. Question for the plumbers or those with the know how.
I am in the process of building an ensuite in our new bedroom, the heated towel rail, "Can i use 15mm plastic pipe direct to the flow/return valves" as opposed the the traditional copper pipe.
The reason for using plastic is, all the pipework will be boxed in then tiled, i would like it to be joint free in that area untill the pipework exits into a part of the roof that is maintainable for the rest of the pipes.
I'm not a pro so I pass on this interesting piece of advice from one who is: I was fitting a heated towel radiator too and used nice shiny chromed copper pipe to come up through the floor to the radiator inlet / outlets with plastic pipe and push-fit fittings below the floor onto the chromed pipe. My pro friend said this was a right no, no. The chrome hardens the surface of the copper pipe and so the push-on plastic fittings can't grab hold. This means they are liable to slip off; maybe not straight away but at some point down the line. So don't do it; use compression at that joint.
Sadly my friend didn't tell me before I'd sealed the floor and tiled it... :roll:
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