General description PolyPlumb is a traditional push-fit plumbing system that has been tried and tested over the years. It is robust and reliable, ensuring superb joint integrity through its innovative design. Technical specifications Type: Reduced End Tee Size: 22mm x 15mm x 22mm Material: Grey polybutylene Compatibility and accessories Compatible with Polypipe grey polybutylene flexible pipe Can be combined with copper pipe Recommended use of Polypipe metal or plastic pipe stiffeners when used with plastic pipe Usage Suitable for hot and cold water supply Applicable for heating installations, including underfloor heating Not suitable for the transportation of gases