Wavin HD1/15W Hep2O straight connector, 15mm x 15mm, Push-Fit Socket x Push-Fit socket. Hep2O system enable quick and easy installation with a secure fit. It is the only push-fit plumbing system with joint recognition and secure demounting. Once the connection is in place, twist the pipe or fitting and feel the rumble, signalling a perfect fit. It simply clips the HepKey over the fitting to depress the collar and release the fitting. This system prevents tampering or accidental demounting and ensures your installation is totally secure. Hep2O is also approved to WRAS - deemed safe for use in the supply of drinking water.Specification:- Part number: HD1/15W;- Fitting type: Straight connector;- Fully demountable using HepKey;- Material: Polybutylene/Minlon Cap;- Colour: White;- All Hep2O fittings are pre-lubricated - no additional lubrication required, and fully compatible with Hep2O and copper pipe.