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John Guest’s Standard line of Push-In Fittings, Shut-off Valves, and Polyethylene Tubing has been designed for use with a wide range of industrial water treatment applications involving Water Purification, Reverse Osmosis, Ice Makers, Beverage Dispensing, Vending & OCS, R.V. and Marine, Car Washing Systems and many more.

The fittings are simple to use and require no tools to make reliable, leak-free connections.

Standard Push-In Fittings, Shut-Off Valves, and Polyethylene Tubing are produced from FDA compliant materials and are listed with NSF International Standards 51 and 61.

NOTE: Speedfit fittings cannot be used on stainless steel pipe.
DO NOT USE FOR gas, fuel oil or compressed air applications.
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Manuals (1)


Product Type:





3/8" x 1/4"

Max Temp/Pressure:

60 psi at 140°F

150 psi at 70°F (Water)

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