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Billy Bob Bob
Hi toddyplumb
Thank you for your reply.
I am more than happy to hear that I don't need any insert.
But I was told that's a good practice to use insert in soft copper pipe when using compression fitting as the soft copper will squash or deform
I actually purchased the pipe and the insert from BES, on their catalogue is actually stated "insert for 10mm copper pipe, reccomended when using compression fitting.
But I am happy with your expert suggestion.
Regards
sounds like you have bought inserts for plastic pipe 10mm copper does not require inserts it sounds like your using a reducing set in which case just use ptfe,bosswhite etc you should be fine