Watts Radiant introduces R-flex Watts Radiant is introducing a flexible, pre-insulated piping system called R-flex Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window) Product News 2009-07-10 The Staff