Browse categories of Backflow Preventers Dual Check (DuC) Dual Check with atmospheric vent (DuC-AV) Reduced Pressure Principle (RP) Protects potable water supply from contamination due to backflow conditions. Dual Check (DuC) FlowShield™ DuC, Dual check backflow preventer (sweat) FlowShield™ DuC, Dual check backflow preventer (PEX) FlowShield™ DuC, Dual check backflow preventer (press) FlowShield™ DuC, Dual check backflow preventer (FNPT) FlowShield™ DuC, Dual check backflow preventer (MNPT) Expand Dual Check with atmospheric vent (DuC-AV) FlowShield™ DuC-AV, Dual check backflow preventer with atmospheric vent Reduced Pressure Principle (RP) FlowShield™ RP, Testable backflow preventer assembly (1/2") FlowShield™ RP, Testable backflow preventer assembly (3/4") Discharge air gap FlowShield™ RP, Testable backflow preventer assembly (1") Flowshield™ RP, Testable backflow preventer assembly (1 1/4") Flowshield™ RP, Testable backflow preventer assembly (1 1/2") FlowShield™ RP, Testable backflow preventer assembly (2") FlowShield™, Valve seat (¾") FlowShield™, Upstream check valve Discharge relief valve FlowShield™, Discharge valve assembly Expand
Dual Check (DuC) FlowShield™ DuC, Dual check backflow preventer (sweat) FlowShield™ DuC, Dual check backflow preventer (PEX) FlowShield™ DuC, Dual check backflow preventer (press) FlowShield™ DuC, Dual check backflow preventer (FNPT) FlowShield™ DuC, Dual check backflow preventer (MNPT) Expand
Dual Check with atmospheric vent (DuC-AV) FlowShield™ DuC-AV, Dual check backflow preventer with atmospheric vent
Reduced Pressure Principle (RP) FlowShield™ RP, Testable backflow preventer assembly (1/2") FlowShield™ RP, Testable backflow preventer assembly (3/4") Discharge air gap FlowShield™ RP, Testable backflow preventer assembly (1") Flowshield™ RP, Testable backflow preventer assembly (1 1/4") Flowshield™ RP, Testable backflow preventer assembly (1 1/2") FlowShield™ RP, Testable backflow preventer assembly (2") FlowShield™, Valve seat (¾") FlowShield™, Upstream check valve Discharge relief valve FlowShield™, Discharge valve assembly Expand
