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John Guest is an ISO 14001 certified leading manufacturer of durable push-in fittings and pipe and plastic plumbing systems. The John Guest Fittings catalog includes water supply stops, push-to-connect tube fittings, check and foot valves, connectors and stop valve adapters. These products are ideal for applications in compressed air systems, water purification systems and drink vending machines.
Push-fit check valves by John Guest are widely used to facilitate liquid flow in one direction and to prevent back flow of liquid. These Super Speedfit Acetal Single Check Valves are suitable for use with polyethylene, nylon, polyurethane, brass, copper and mild steel tubings. They can withstand a maximum water pressure of 150 psi and can easily operate at temperatures up to 167 degrees Fahrenheit. The company also offers a wide range of male connectors suitable for potable liquids and pure water applications. These push-fit John Guest connectors feature acetal copolymer construction, NPTF threads and tube x MNPT connection, and do not require any tools for installation or removal.

  • Check and Foot Valves
Prevent fluids from flowing in the wrong direction and suitable for potable water, pneumatic, reverse osmosis and fibre optic applications. Available in the 1 / 4 - 5 / 16 inch size range
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Products (6)
  • Faucet and Supply Stop Adapters
Faucet and stop adapters commonly used in reverse osmosis, filtration systems, and ice makers. Offer quick disconnection without the need for tools
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Products (4)
  • Push to Connect Tube Fittings
Quick connect adapters, connectors, tube supports, union adapters, dividers, elbows and tees used for connecting air or water lines without the use of tools
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Products (436)
  • Water Supply Stops
Reliable multi- and quarter-turn supply stops used for convenient water supply shut-off to a toilet or an appliance such as a dishwasher. Available in push-fit and MNPT outlets and inlet sizes of up to 3 / 8 inches
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Products (7)