ham Senior Member Joined: 27 Oct 2003 Posts: 27 Location: USA Expertise: I love coffee
Posted Mon Apr 14, 2014, 8:20pm Subject: Leak in a PVC John Guest fitting in my Reneka
The PVC tube running from the tank to the group head is leaking, and I can't trim the tube any more. Where would I source the tubing, and should I replace the fitting while I am at it, or, if possible, just the o-ring?
Posted Mon Apr 14, 2014, 10:13pm Subject: Re: Leak in a PVC John Guest fitting in my Reneka
All my JG experience is with the plastic fittings. The usual reasons for JG leaks is a tube subjected to too great of an angle and side loading at the fitting, a hose not fully inserted into a fitting, dirt or bits of tubing from a poor cut of the hose, or a damaged O-ring. If the tube itself was leaking and you trimmed it, you likely traded one leak for another.
Posted Tue Apr 15, 2014, 12:50am Subject: Re: Leak in a PVC John Guest fitting in my Reneka
Looks like a Techno ? If so, Teflon D4-2,5 Reneka part number 9005249. Sold per metre. Recommended length 21cm.
I'd go directly to Reneka themselves in France, or their agent if they still have one in the USA. It's high pressure hose, and while they undoubtedly don't manufacture it themselves, I wouldn't replace it from another supplier without knowing the specification.
Don't think you need to replace the fitting unless it is damaged in some way (9004119), but it might be worthwile replacing the copper gasket (9001711).
All part numbers taken from my Reneka Techno manual, but I'd double check with them to make sure.
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