Yeah, should be ok - the male elbow should be 1/2" so should fit the tapping of the rads without issue. I use gas PTFE others use cord, whatever works.
Seems ok, I used some of that green flomaster pipe seal in the end. I think ones piped back to front as it was a lot slower to warm up and it's still slightly cool where the flow enters, I think I'll swap it round tomorrow and see if it improves.
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