randynavarro Posted December 21, 2008 Report Share Posted December 21, 2008 I've got two different PEX install guides and neither specifically mentions fastening the rough-out/stub-outs for hot and cold water under sinks securely to the wall framing. I have Zurn specs and the 128 page guide published by NAHB/PATH/PPFA. Anyone have any other sources that sez stub-outs need to be fastened? Quote Link to comment Share on other sites More sharing options...
hausdok Posted December 21, 2008 Report Share Posted December 21, 2008 Hi Randy, I'm assuming that you're interested because you've found one or two PEX-plumbed homes with the PEX just sticking out of the drywall and no rigid talons installed. I researched that a while back and it seems to be an option but not mandatory. ONE TEAM - ONE FIGHT!!! Mike Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted December 21, 2008 Report Share Posted December 21, 2008 Originally posted by randynavarro I've got two different PEX install guides and neither specifically mentions fastening the rough-out/stub-outs for hot and cold water under sinks securely to the wall framing. I have Zurn specs and the 128 page guide published by NAHB/PATH/PPFA. Anyone have any other sources that sez stub-outs need to be fastened? What about: UPC 313.1 All piping passing under or through walls shall be proteced from breakage. UPC 313.2 All piping in connection with a plumbing system shall be so installed that piping or connections will not be subject to undo strains or stresses. . . UPC 313.5 Piping subject to corrosion, erosion, or mechanical damage shall be protected in an approved manner. - Jim Katen, Oregon Quote Link to comment Share on other sites More sharing options...
randynavarro Posted December 21, 2008 Author Report Share Posted December 21, 2008 Thanks, Jim. Just thought that a PEX mfr. would have re-iterated the fact. The 128 page PPFA document details more than one probably wants to know about PEX stuff - just not the basic practice of fastening the stubs securely. Quote Link to comment Share on other sites More sharing options...
randynavarro Posted December 21, 2008 Author Report Share Posted December 21, 2008 Originally posted by hausdok Hi Randy, I'm assuming that you're interested because you've found one or two PEX-plumbed homes with the PEX just sticking out of the drywall and no rigid talons installed. ONE TEAM - ONE FIGHT!!! Mike Not really. I just had a dream about PEX the other day. Just kidding. Quote Link to comment Share on other sites More sharing options...
Jeremy Posted December 21, 2008 Report Share Posted December 21, 2008 Would that be the same thing as a pipe dream? Quote Link to comment Share on other sites More sharing options...
Scottpat Posted December 21, 2008 Report Share Posted December 21, 2008 Originally posted by randynavarro I've got two different PEX install guides and neither specifically mentions fastening the rough-out/stub-outs for hot and cold water under sinks securely to the wall framing. I have Zurn specs and the 128 page guide published by NAHB/PATH/PPFA. Anyone have any other sources that sez stub-outs need to be fastened? This is from Zurn: Stub Outs Through Walls Most Zurn PEX runs will terminate with some sort of stub-out fitting because the depth of a standard 2 x 4 wall is not sufficient to allow the Zurn PEX tube to be bent with a recommended bend unless a metal bend support is used. Zurn offers a metal bend support with a face plate, QMBS3WB, that is ideal for this purpose. Be sure the local code allows PEX stub-outs through walls. Zurn also offers several other fittings for stub-outs. Copper stub-out elbows are available with either a 3/8" or 1/2" crimp connection to the Zurn PEX tube in the wall. The portion of the elbow that comes through the wall is 1/2" nominal copper tube (5/8" O.D.). Zurn drop ear elbows are available with either a 3/8" or 1/2" crimp connection to the Zurn PEX tube in the wall. These fittings have a 1/2" female pipe thread to allow the use of a threaded nipple to come through the wall. Quote Link to comment Share on other sites More sharing options...
Marc Posted December 16, 2011 Report Share Posted December 16, 2011 I'm regurgitating this thread in the hopes that a prohibition against PEX stub outs in 2X4 stud walls is now in force. Anyone aware of one? Marc Quote Link to comment Share on other sites More sharing options...
hausdok Posted December 16, 2011 Report Share Posted December 16, 2011 Nah, I hardly ever see copper stubouts on PEX. Around here they either use those sweeping bends and just let the end hang out of the wall or they put an elbow just behind the wall and use either PEX or copper to come through the face of the wall. I've yet to see the molded and chromed plastic stub-out covers designed to go over PEX stub-outs to disguise them. ONE TEAM - ONE FIGHT!!! Mike Quote Link to comment Share on other sites More sharing options...
Nolan Kienitz Posted December 16, 2011 Report Share Posted December 16, 2011 Marc, Here are some images I took recently at a phase inspection of a condo. These are the typical transitions i see over here ... D/FW. Click to Enlarge 37.05 KB Click to Enlarge 49.7 KB Click to Enlarge 51.22 KB Click to Enlarge 41.89 KB Quote Link to comment Share on other sites More sharing options...
Greg Booth Posted December 16, 2011 Report Share Posted December 16, 2011 I'm regurgitating this thread in the hopes that a prohibition against PEX stub outs in 2X4 stud walls is now in force. Anyone aware of one? Marc ..............why? Greg Quote Link to comment Share on other sites More sharing options...
Marc Posted December 16, 2011 Report Share Posted December 16, 2011 Pex is easily cut with a knife. Imagine kids playing with one on a PEX stub-out behind the toilet. Just looking for code or manufacturer support so that I can write it up. Marc Quote Link to comment Share on other sites More sharing options...
rkenney Posted December 17, 2011 Report Share Posted December 17, 2011 Pex is easily cut with a knife. Imagine kids playing with one on a PEX stub-out behind the toilet. Marc That's hilarious.[:-monkeyd Is this a childhood reminiscence or something? "MOM, Marc's behind the toilet with a KNIFE!!!" Quote Link to comment Share on other sites More sharing options...
gtblum Posted December 17, 2011 Report Share Posted December 17, 2011 I'm regurgitating this thread in the hopes that a prohibition against PEX stub outs in 2X4 stud walls is now in force. Anyone aware of one? Marc ..............why? Greg Because...... Nolan posted some pictures I've never seen before and learned from. Digging it back up for review ain't a bad thing. Quote Link to comment Share on other sites More sharing options...
Tom Raymond Posted December 17, 2011 Report Share Posted December 17, 2011 I'm regurgitating this thread in the hopes that a prohibition against PEX stub outs in 2X4 stud walls is now in force. Anyone aware of one? Marc ..............why? Greg Agita. Quote Link to comment Share on other sites More sharing options...
Greg Booth Posted December 17, 2011 Report Share Posted December 17, 2011 I'm regurgitating this thread in the hopes that a prohibition against PEX stub outs in 2X4 stud walls is now in force. Anyone aware of one? Marc ..............why? Greg Because...... Nolan posted some pictures I've never seen before and learned from. Digging it back up for review ain't a bad thing. ...........not questioning the issue of bringing back old threads..........I was wondering why the concern with Pex stub-outs Greg Quote Link to comment Share on other sites More sharing options...
kurt Posted December 17, 2011 Report Share Posted December 17, 2011 I've never seen a PEX plumbed house. Ever. Local 130 won't allow it. Yet. So, this is helpful for me.....someday I may see one and I don't know squat about it. Quote Link to comment Share on other sites More sharing options...
Nolan Kienitz Posted December 17, 2011 Report Share Posted December 17, 2011 Few more images that go with the ones I posted above. These below are of the PEX Manifold distribution panel on the interior garage wall. This one has been nicely done ... compared to some I've seen. Click to Enlarge 63.04 KB Click to Enlarge 68.18 KB Click to Enlarge 102.57 KB Quote Link to comment Share on other sites More sharing options...
plummen Posted December 17, 2011 Report Share Posted December 17, 2011 Marc, Here are some images I took recently at a phase inspection of a condo. These are the typical transitions i see over here ... D/FW. Click to Enlarge 37.05?KB Click to Enlarge 49.7?KB Click to Enlarge 51.22?KB Click to Enlarge 41.89?KB Those pictures lok better than most of the pex jobs ive ever seen,still not allowed to use it in the city of Omaha though last I heard Quote Link to comment Share on other sites More sharing options...
plummen Posted December 17, 2011 Report Share Posted December 17, 2011 Few more images that go with the ones I posted above. These below are of the PEX Manifold distribution panel on the interior garage wall. This one has been nicely done ... compared to some I've seen. Click to Enlarge 63.04?KB Click to Enlarge 68.18?KB Click to Enlarge 102.57?KB Nice work,not sure about about the location though unless youre in a really warm part of the country Quote Link to comment Share on other sites More sharing options...
Marc Posted December 17, 2011 Report Share Posted December 17, 2011 Few more images that go with the ones I posted above. These below are of the PEX Manifold distribution panel on the interior garage wall. This one has been nicely done ... compared to some I've seen. Click to Enlarge 63.04?KB Click to Enlarge 68.18?KB Click to Enlarge 102.57?KB It has a Fabry touch to it.[] Marc Quote Link to comment Share on other sites More sharing options...
Marc Posted February 20, 2013 Report Share Posted February 20, 2013 I stumbled upon this cite from the Louisiana Plumbing Code which is a modified version of the 1994 Standard Plumbing Code: 611.1.6 The maximum recommended spacing between horizontal supports for cross-linked polyethylene (PEX) tubing is 32 inches (813 mm) for nominal tubing diameters from 1/4 inch through 2 inch. It should not be rigidly secured to a joist or stud but should be secured with smooth plastic strap hangers which permit ease of movement during expansion lor contraction. Valve and fixture connections to which PEX pipe is connected shall be rigidly anchored. Doesn't this clearly prohibit Pex stub-outs? Here's my motivation, from yesterday's inspection. It's a new construction. Every stub-out in the house is Pex: Click to Enlarge 32.15?KB Marc Quote Link to comment Share on other sites More sharing options...
Tom Raymond Posted February 20, 2013 Report Share Posted February 20, 2013 That's a mess. Quote Link to comment Share on other sites More sharing options...
ericwlewis Posted February 20, 2013 Report Share Posted February 20, 2013 I always use these Click to Enlarge 5.01 KB or these Click to Enlarge 6.1 KB You can't be professional if you can't do a professional job. Quote Link to comment Share on other sites More sharing options...
Greg Booth Posted February 20, 2013 Report Share Posted February 20, 2013 I stumbled upon this cite from the Louisiana Plumbing Code which is a modified version of the 1994 Standard Plumbing Code: 611.1.6 The maximum recommended spacing between horizontal supports for cross-linked polyethylene (PEX) tubing is 32 inches (813 mm) for nominal tubing diameters from 1/4 inch through 2 inch. It should not be rigidly secured to a joist or stud but should be secured with smooth plastic strap hangers which permit ease of movement during expansion lor contraction. Valve and fixture connections to which PEX pipe is connected shall be rigidly anchored. Doesn't this clearly prohibit Pex stub-outs? Here's my motivation, from yesterday's inspection. It's a new construction. Every stub-out in the house is Pex: Click to Enlarge 32.15?KB Marc ........I would say that it cleary suggests the use of a pex stub-out. The stub-out being the "required rigidly anchored connection". Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.