I need to do some work on these pipes and and thinking of replacing the service valves. The pipework will be around 20years old. I think it's the old grey hep20. What liners would be best. Will obviously be compression with a copper olive going on to the pipe. Thanks.
Liners
- Thread starter tomsim
- Start date
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Do you mean inserts ? only use the ones that the same manu states
Thanks inserts yes. It's all hep2o I think there is no markings on the pipe. But judging by the age and the fact it's grey I know hep20 was then. And I think that was before polypipe brought there own out.
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You can tell by the lockring - POLY is knurled/slotted all the way around, HEP had smooth sections. Also HEP had a green plastic grab ring with steel teeth, poly are a SS toothed type washer.
If it's HEP then their new inserts will fit. If it's poly then you'll need theirs.
If it's HEP then their new inserts will fit. If it's poly then you'll need theirs.
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