<p>The Hep2o Flexible Push-Fit Plumbing System is suitable for use in domestic water distribution and central heating systems. This system is available in 10mm / 15mm / 22mm / 28mm diameters and carries a British Standard Kitemark against BS 7291 parts 1 & 2 Class S, our system also carries WRAS approval. </p><p style="clear:both"><strong>These Revit packages are for the UK Market only, if you require Revit packages for your local country please <a style="text-decoration: underline; color: #224c92;" href="https://www.wavin.com/en-en/BIM-Revit">click here</a></strong></p>