Asked by: sasabc-ga
List Price: $50.00
30 Mar 2005 05:28 PST
Expires: 29 Apr 2005 06:28 PDT
Question ID: 502560
What are the manufacturer's guidelines when capping off Quest plumbing lines in a residential property?
Answered By: redhoss-ga on 30 Mar 2005 10:44 PST
Hello sasabc, as you probably know Quest (Shell Chemical Co.) no longer supplies polybutylene resin for pipe applications in the United States effective April 16, 1996. You will find no "manufacturer's guidelines" because there are no manufacutuers. However, there are experts in replacing and repairing polybutylene plumbing systems. One such company is "SageWater": http://www.sagewater-usa.com/pipe.html I e-mailed them and they sent me a toll free number to call (800.845.1192). I called this number and talked with with a person by the name of Lewis. He suggested that you purchase a stop valve with a compression fitting on both sides. This way you can turn off the water, install the valve, and then when your new plumbing is installed simply turn on the valve. These valves are available at any hardware store. Here is the valve as offered on the Ace Hardware website: http://www.acehardware.com/product/index.jsp?productId=1274468&cp=1254880.1255006.1260873&parentPage=family This would be my choice of solution because it is always a good idea to have a stop valve on any plumbing fixture. However, there are several other solutions that will work just as well. They all use a compression fitting to adapt to the outside of your existing polybutylene pipe. A compression fitting is the ONLY way to adapt to Quest pipe that doesn't involve crimping tools and is the accepted method of experts. Here are some more examples: http://www.acehardware.com/product/index.jsp?productId=1274460&cp=1254880.1255006.1260873&parentPage=family http://www.acehardware.com/product/index.jsp?productId=1273415&cp=1254880.1255006.1260873&parentPage=family http://www.acehardware.com/product/index.jsp?productId=1273413&cp=1254880.1255006.1260873&page=2&doVSearch=no&pageBucket=0&parentPage=family http://www.acehardware.com/product/index.jsp?productId=1274467&cp=1254880.1255006.1260873&page=2&doVSearch=no&pageBucket=0&parentPage=family Another company that has a very good website is "Plumbing World .com": http://www.plumbingworld.com/polyb.html#faq They show many compression fittings for adapting to polybutylene pipe and have a good discussion of problems related to Quest plumbing. One thing they mention is this: These fittings work great but are not code in many areas. In some areas they are code but in most they may not be used in walls (as with most compression like fittings). Since your application is not in a wall, I see no problem. I don't think that I have left anything out that you need to know. However, if you have any further questions please ask for a clarification and I will do my best to answer. Good luck with your plumbing project, Redhoss
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