John Guest USA, Inc.

Fairfield,  NJ 
United States
  • Booth: 427

John Guest is a world-leading manufacturer of high-quality engineered fittings and valves. The JG ProLock range of Twist-to-Lock fittings are offered in sizes from 3/8" to 1" CTS in a variety of configurations for traditional plumbing, new construction and commerical applications. Fittings are easy to use and require no tools to make reliable leak-proof connections. Featuring an audible click to assure technicians with additional security, JG ProLock fittings are also UV resistant and approved for behind-the-wall applications.

John Guest fittings are lead-free and are listed with NSF International Standards 14, 61, CSA Standards pw and IAPMO Plumbing Codes. For more information, please contact or visit


  • JG ProLock Twist-to-Lock Fittings
    Fittings require no tools to make leak-proof connections and are UV resistant & reusable many times over....

  • Designed for use in the Water Softener and Domestic Plumbing Markets, the JG ProLock Fitting Range from John Guest is available in 3/8” to 1” CTS sizes.

    Manufactured from high quality engineered plastic with EPDM O-Rings, ProLock fittings can be used with any combination of copper, PEX, or CPVC pipe without the need for any tools. The push-to-connect fittings use Twist-to-Lock technology which provides users with extra security when fittings are twisted into the locked position. Proven to reduce installation times by over 40%, ProLock products are also approved for behind-the-wall use.

    The JG ProLock Fitting Range carries a 25 year warranty against defect in materials or manufacturing and are listed with NSF International Standards 14, 61, CSA Standards pw and IAPMO Plumbing Codes.

  • JG ProLock Flexi Hoses
    Ideal for Water Heater Installations...

  • Designed for use in the Plumbing Market, JG ProLock Flexi Hoses from John Guest are available in 3/4” CTS x 3/4” NPSM x 18” L, 1/2” CTS x 3/4” NPSM x 18” L, and 3/4” CTS x 3/4” CTS x 18” L sizes.

    Flexi Hoses are ideal for Water Heater Installations. These corrosion resistant hoses are double crimped for greater reliability. Fast and easy to install, they can be used with Copper, PEX, and CPVC pipe and are suitable for both commercial and residential applications.

    ProLock Flexi Hoses are lead-free, UV resistant and carry a 25 year warranty against defect in materials or manufacturing.

Send Email

Type your information and click "Send Email" to send an email to this exhibitor. To return to the previous screen without saving, click "Reset".

For Technical Support with this webpage, please contact support