Jones Stephens has built its reputation over the years in the plumbing industry, providing the market with thousands of products to complete any project. If you need it, we got it. All parts are designed with quality engineering and construction to be durable and reliable and to meet Jones Stephens highest quality standards. The Spring-Loaded Sewer Relief Plug (valve) features high-density ABS construction. It eliminates costly damages caused by sewer back-ups, and is spring-loaded to close automatically to eliminate sewer gas. For DWV plumbing applications. Available in a variety of sizes to suit your needs.
3-1/2 inch plug size is 4 inch outer diameter
Spring-loaded to close automatically to eliminate sewer gas
Eliminates costly damages caused by sewer back-up
Screw-on connection
5/8 inch thick
High-density construction
Made of ABS
Corrision resistant material