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pex-al-pex with cast iron

antman Member Posts: 182
Was wondering about thoughts on using 1/2" multicore to supply cast iron radiators to a second floor, they are currently being supllied with 3/4" black and I have to relocate risers into the wall. I have used it on copper convectors and it worked great.
Any thing different with the high mass cast iron radiators that would make it not recomended.

Thanks, Ant

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