JONES STEPHENS has built its reputation over the years as a leader in the plumbing industry, providing the market with thousands of products to complete any project. PVC expansion fittings allow for expansion and contraction of conduit, while protecting from conduit bowing, distorted boxes, and broken couplings or fittings. Usually expansion fittings are used in aboveground installations when the straight run length is greater than 25 feet and the temperature change is greater than 60°F. Although expansion fittings generally are not used in inside installations, attics are a common area where expansion fittings are required. This coupling features an easy grip body handle and is for use on cold water lines. Manufactured of corrosion resistant materials, all parts are designed with quality engineering and construction to be durable and reliable and to meet JONES STEPHENS highest quality standards. These couplings are available in variety of sizes to suit your needs.