Febco 905211 Bonnet Repair Kit for 765 Pressure Vacuum Breakers and Backflow Preventers, 1 2 Inch and 3 4 Inch FF30MH 1 2" 14 NPSM threaded stem fits 1 2" 14 NPSM threaded stem fits standard outlet boxes and wall packs for a minimum installation hole size of 7 8 inch diameter 60 Hz Mounting Options Flush Mechanical Movement Synchronous Warranty Period 1 Year limited Wiring Option 1 4" Spade w screw clamp Category Hour MeterWeb Digits Coloring (Hours) White on Black Digits Coloring (Tenths) Yellow on Black Environmental Rating IP22 Hour Meter Material Plastic RoHS Certification Yes Operating Temperature Max (°C) 72 Operating Temperature Max (°F) 160 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 1 This kit consists of bonnet The Febco 905 211 Bonnet Repair Kit for #765 1 2" And 3 4" Pressure Vacuum Breakers And Backflow Preventers includes the parts necessary to repair or replace the bonnet and poppet assembly of a 1 2" and 3 4" pressure vacuum breaker