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Plastic PEX insert for 1" pipe and fittings. 160 PSI max pressure and 200° Fahrenheit max temperature.
NOTE: It is recommended that this insert only be used with John Guest Speedfit pipe and fittings to achieve the most secure seal.
This John Guest TSI36 Super Seal Insert is a PEX plastic insert designed for used with 1" CTS pipe and fittings. This corrosion and scale-resistant insert is used to create a secondary seal that prevents leaks and weeping. Using an insert also ensures that pipe has a clean end that's free of any imperfections from cutting that may hurt the integrity of the seal. The insert also helps pipe and tube maintain consistent shape.
Specifications: