Bonnet and Poppet Repair Kit for Febco 765-1 Inch & 1-1/4 Inch Pressure Vacuum Breaker Febco Backflow Preventer

Installation Instructions. Turn off the water supply, bottom ball valve first, make sure both ball valves on the 765-1 are turned off, Turn the sprinkler controller on manually unscrew the top nut and take off the brass canopy, Take out the old Bonnet & Poppet, if it's too tight use wrench Now to reassemble the new parts. Put the new poppet inside, Place the O-Ring around the Bonnet. Thread Bonnet into PVB unit hand tight only Replace Canopy and tighten nut on top of canopy using a wrench, then Open water supply side ball valve first, then second ball valve.