PRV-RV-KIT Repair Kit: Backflow Preventers (Relief Valve Only) Home » Products » BEECO (Backflow Valves) » Backflow Preventers » PRV-RV-KIT Repair Kit: Backflow Preventers (Relief Valve Only) All rubber seats and seals, relief valve only. Catalog Catalog List Pricing Current Catalog: BEECO-2022 Technical Technical Reference Codes BEECO Backflow Cross Reference Chart: 2020 BEECO Repair Kit Cross Refernce BEECO Abbreviations Guide BEECO/Watts Reference Codes Return to Products