Temp Posted November 22, 2019 Share Posted November 22, 2019 (edited) Is it ok to run Hep2O plastic pipe into compression fittings like this designed for copper? https://www.toolstation.com/pressure-reducing-valve-and-gauge/p11827 With pipe inserts obviously. I know there is a pressure reducer with 1/2" brass ports and 1/2" brass to HEP20 adaptors. Edited November 22, 2019 by Temp Link to comment Share on other sites More sharing options...
joe90 Posted November 22, 2019 Share Posted November 22, 2019 I prefer to convert to copper for compression fittings, also I did not get on with the reducer insert (22 to 15mm) that came with this PRV , it leaked despite several attempts (yes I used one of these in my build). Link to comment Share on other sites More sharing options...
PeterW Posted November 22, 2019 Share Posted November 22, 2019 Yes although I tend to use a copper stub and then use a straight connector or an elbow Link to comment Share on other sites More sharing options...
Temp Posted November 22, 2019 Author Share Posted November 22, 2019 Thanks. I'm adding a pressure reducer into an existing plastic pipe so think I'll go with this one.. https://www.toolstation.com/pressure-reducing-valve/p94502 And a pair of adaptors.. https://www.toolstation.com/hep2o-male-adaptor-brass-socket/p54535 Link to comment Share on other sites More sharing options...
joe90 Posted November 22, 2019 Share Posted November 22, 2019 6 minutes ago, Temp said: Thanks. I'm adding a pressure reducer into an existing plastic pipe so think I'll go with this one.. https://www.toolstation.com/pressure-reducing-valve/p94502 And a pair of adaptors.. https://www.toolstation.com/hep2o-male-adaptor-brass-socket/p54535 am I missing something, what pressure does it reduce too.?? Does not say, no gauge either. ? Link to comment Share on other sites More sharing options...
Temp Posted November 22, 2019 Author Share Posted November 22, 2019 Normally they are preset to 3bar but I guess I should check. 1 Link to comment Share on other sites More sharing options...
Temp Posted November 23, 2019 Author Share Posted November 23, 2019 20 hours ago, Temp said: Thanks. I'm adding a pressure reducer into an existing plastic pipe so think I'll go with this one.. https://www.toolstation.com/pressure-reducing-valve/p94502 And a pair of adaptors.. https://www.toolstation.com/hep2o-male-adaptor-brass-socket/p54535 In the end I remembered that the thread on a 15mm compression fittings was 1/2" BSP so a much better option was a pressure reducer with compression fittings (removed) and a pair of these tap adaptors.. https://www.toolstation.com/jg-speedfit-straight-tap-connector/p13693 Link to comment Share on other sites More sharing options...
ProDave Posted November 23, 2019 Share Posted November 23, 2019 I will be interested how you get on with that. A tap connector expects a nice crisp flat shoulder and seals with a fibre washer, not the tapered profile where the olive would go. Link to comment Share on other sites More sharing options...
Temp Posted November 24, 2019 Author Share Posted November 24, 2019 Yes was a bit concerned but it looks fine on the Honeywell regulator. The tap connector I have also came with rubber washers. Link to comment Share on other sites More sharing options...
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