Bonnet Assembly Kit For 1 1/2 And 2 In Pressure Vacuum Breaker_This bonnet assembly kit includes the parts necessary to repair or replace the bonnet assembly of a 1 1/2 and 2 inch pressure vacuum breaker. This kit consists of bonnet, O-ring, spring, E-ring, washer, and stem. All parts are genuine and original to the valve._No special tools required for servicing_Factory replacement parts_Fits 1 1/2 and 2 inch pressure vacuum breaker_All parts are made of high quality materials_Specifications_ADA Compliant N_Brand FEBCO_Buy American Act Compliant NO_Kit Contents Bonnet, O-Ring, Spring, E-Ring, Washer, Stem_Kit Type Bonnet Kit_Lead Free NO_Part Number 901857_Product Group KITS_Products Used On Backflow_Products Used On Size 1 1/2 and 2 IN_Series RK-765