div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Backflow Preventer Parts - Supplying Dependable Backflow backflowpreventercom375_Blowout_Instructionspdf · Remove black backflow preventer housing Replace with orange blow src=https:reader034vdocumentssitereader034viewer20220424005f0e5c127e708231d43edd70html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv