John Guest USA, Inc.
John Guest USA, Inc. 
 
John Guest USA, Inc.
180 Passaic Ave.
Fairfield, NJ 07004 USA
Phone: 800-945-4872
FAX: 973-808-5036
 
John Guest is a world-leading manufacturer of high quality engineered push-fit fittings, valves and pipe, ranging in sizes from ¼” to ½” OD and ½”, ¾” and 1” CTS in a variety of configurations for potable water and traditional plumbing applications. Fittings are easy to use and require no tools to make reliable leak-free connections. John Guest products are lead-free and are listed with are listed with NSF Standards 14, NSF51, NSF61, and IAPMO Plumbing Codes..