John Guest Speedfit - Superseal Tube Support 28mm Sts28 (Pack Of 10)

General description Always use a JG Speedfit superseal pipe insert when connecting Speedfit pipe to a Speedfit push-fit fitting. These inserts play a vital role in providing extra support to pipework, ensuring that the ends of the pipe remain round and minimizing any loss of shape that can occur when cutting. The JG Speedfit superseal pipe insert features dual o-rings for enhanced sealing security compared to standard inserts. Technical specifications Pack of 10 inserts Contains dual o-rings for improved sealing Suitable for hot and cold water and central heating systems Compatible with Speedfit pipes and fittings only Usage Insert the first o-ring into the pipe to prevent water from passing between the pipe wall and the insert The second o-ring seals inside the push-fit fitting, creating a seal between the main pipe and the fitting When used with Speedfit push-fit fittings, a multi-seal is formed due to the main o-ring seal present in the fittings