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John Guest

John Guest Superseal Pipe Insert - 1 CTS

Part Number: STSI36
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The John Guest Superseal Pipe Insert creates a rigid connection and enhanced dual action seal when fitting a Speedfit pipe to a Speedfit fitting. The Superseal pipe insert contains dual O-Rings to provide even greater sealing security than a standard insert. The first O-Ring is on the stem that is pushed into the pipe to prevent water from inside the pipe passing between the inside of the pipe wall and the outside surface of the insert. The second O-Ring sits on the end of the insert and seals inside the push-fit fitting, becoming a seal between the main pipe and push-fit fitting. When superseal Inserts are used with Speedfit push-fit fittings a multi-seal is formed as all push-fit fittings also include a main O-Ring seal.

  • 2 extra O-Rings provide enhanced sealing (10mm version features one o-ring only)
  • Maintains structural integrity of the pipe connection
  • Helps make the pipe more rigid when a side load is applied
  • Suitable for hot and cold water and central heating systems
  • Suitable for Speedfit pipes and fittings only

Note: Always use a John Guest Speedfit superseal pipe insert when connecting Speedfit pipe to a Speedfit push-fit fitting. Inserts play a vital role in providing extra support to pipework, ensuring that the ends of the pipe are kept nice and round, and minimizing any loss of shape that can occur when cutting.

California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov
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