Watts number N9 1/4" IPF by IPF in-line backflow preventer with atmospheric vent. This backflow prevention valve is all brass with a double check design, which provides protection against back-siphoning in continuous pressure applications. Its maximum pressure is 125 psi.

Watts number N9 3/8" IPF by IPF in-line backflow preventer with atmospheric vent. This backflow prevention valve is all brass with a double check design, which provides protection against back-siphoning in continuous pressure applications. Its maximum pressure is 125 psi.

Watts number 9D backflow preventer with 1/2" female union on inlet and outlet connections and intermediate atmospheric vent. This backflow prevention valve is all brass with stainless steel parts, integral strainer, and rubber discs. It is designed with protection against back-siphoning in continuous pressure applications including process tanks, sterilizers, and low hazard applications, as well as for boiler feed lines to prevent backflow when supply pressure falls below system pressure. Its maximum pressure is 175 psi.

Watts number 9D backflow preventer with 3/4" female union on inlet and outlet connections and intermediate atmospheric vent. This backflow prevention valve is all brass with stainless steel parts, integral strainer, and rubber discs. It is designed with protection against back-siphoning in continuous pressure applications including process tanks, sterilizers, and low hazard applications, as well as for boiler feed lines to prevent backflow when supply pressure falls below system pressure. Its maximum pressure is 175 psi.

Watts number 7 dual check backflow preventer with 1" female union on inlet and 1" IPF outlet connections. This backflow prevention valve is all brass with stainless steel parts and two compact replaceable check modules. It is designed with protection against back-siphoning in residential water supply service and be installed immediately downstream of the water meter.

Watts 007M3-QT 3/4" NPT backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts 007M1-QT 1" NPT backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts 007M2-QT 1-1/2" NPT backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts 007M1-QT 2" NPT backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 709NRS 2-1/2" flanged backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 709NRS 3" flanged backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 709NRS 4" flanged backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 709NRS 6" flanged backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 709NRS 8" flanged backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watt number 709NRS 10" flanged backflow preventer for a maximum pressure of 125 psi and a maximum temperature of 110°F. This valve is a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications.

Watts number 909QT 3/4" NPT reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 909QT 1" NPT reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 909QT 1-1/4" NPT reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 909QT 1-1/2" NPT reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 909QT 2" NPT reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 909QT 2-1/2" flanged reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 909QT 3" flanged reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 909QT 4" flanged reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 909QT 6" flanged reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 909QT 8" flanged reduced pressure backflow preventer with a double check valve assembly for non-health, low hazard cross-connections, and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 110°F.

Watts number 009QT 1/2" NPT reduced pressure backflow preventer with a double check valve assembly for high hazard cross-connections and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 009QT 3/4" NPT reduced pressure backflow preventer with a double check valve assembly for high hazard cross-connections and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 009QT 1" NPT reduced pressure backflow preventer with a double check valve assembly for high hazard cross-connections and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 009QT 1-1/4" NPT reduced pressure backflow preventer with a double check valve assembly for high hazard cross-connections and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 009QT 1-1/2" NPT reduced pressure backflow preventer with a double check valve assembly for high hazard cross-connections and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts number 009QT 2" NPT reduced pressure backflow preventer with a double check valve assembly for high hazard cross-connections and continuous pressure applications. It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. It is rated for supply pressures up to 175 psi and temperatures of up to 140°F.

Watts 3/4" hose bibb vacuum breaker with atmospheric vent designed to prevent high hazard back-siphonage backflow and low-head backpressure (10' or less) from contaminating the potable water supply.

Cash Acme BFP Series dual check valve with continuous-type 1/2" NPT female union inlet and outlet connection. This check valve prevents backflow of contaminated water into potable water supply lines. It is suitable for hot (up to 180°F) or cold water under continuous pressure. It has a maximum pressure of 170 psi.

Cash Acme BFP Series dual check valve with continuous-type 3/4" NPT female union inlet and outlet connection. This check valve prevents backflow of contaminated water into potable water supply lines. It is suitable for hot (up to 180°F) or cold water under continuous pressure. It has a maximum pressure of 170 psi.

Cash Acme RPZEII Series reduced pressure zone backflow preventer with a 1/2" NPT connection. This backflow preventer provides maximum protection against back-pressure and back-siphonage. It has a maximum pressure of 175 psi and a maximum operating temperature of 180°F.

Cash Acme RPZE Series reduced pressure zone backflow preventer with a 3/4" NPT connection. This backflow preventer provides maximum protection against back-pressure and back-siphonage. It has a maximum pressure of 175 psi and a maximum operating temperature of 180°F.

Cash Acme RPZE Series reduced pressure zone backflow preventer with a 1" NPT connection. This backflow preventer provides maximum protection against back-pressure and back-siphonage. It has a maximum pressure of 175 psi and a maximum operating temperature of 180°F.

Cash Acme RPZE Series reduced pressure zone backflow preventer with a 1-1/4" NPT connection. This backflow preventer provides maximum protection against back-pressure and back-siphonage. It has a maximum pressure of 175 psi and a maximum operating temperature of 180°F.

Cash Acme RPZE Series reduced pressure zone backflow preventer with a 1-1/2" NPT connection. This backflow preventer provides maximum protection against back-pressure and back-siphonage. It has a maximum pressure of 175 psi and a maximum operating temperature of 180°F.

Cash Acme RPZE Series reduced pressure zone backflow preventer with a 2" NPT connection. This backflow preventer provides maximum protection against back-pressure and back-siphonage. It has a maximum pressure of 175 psi and a maximum operating temperature of 180°F.

Cash Acme 1/2" NPT RP500 reduced pressure zone backflow preventer for protection against back-pressure and back-siphonage backflow. The RP500 features two independently acting check valves and a relief valve. Its maximum system pressure is 150 psi and the maximum operating temperature is 110°F.

Cash Acme 3/4" NPT RP500 reduced pressure zone backflow preventer for protection against back-pressure and back-siphonage backflow. The RP500 features two independently acting check valves and a relief valve. Its maximum system pressure is 150 psi and the maximum operating temperature is 110°F.

Cash Acme 1" NPT RP500 reduced pressure zone backflow preventer for protection against back-pressure and back-siphonage backflow. The RP500 features two independently acting check valves and a relief valve. Its maximum system pressure is 150 psi and the maximum operating temperature is 110°F.

Cash Acme 1-1/4" NPT RP500 reduced pressure zone backflow preventer for protection against back-pressure and back-siphonage backflow. The RP500 features two independently acting check valves and a relief valve. Its maximum system pressure is 150 psi and the maximum operating temperature is 110°F.

Cash Acme 1-1/2" NPT RP500 reduced pressure zone backflow preventer for protection against back-pressure and back-siphonage backflow. The RP500 features two independently acting check valves and a relief valve. Its maximum system pressure is 150 psi and the maximum operating temperature is 110°F.

Cash Acme 2-1/2" flanged Type RPZ Cash-Flo reduced pressure zone backflow preventer for protection against back-pressure and back-siphonage backflow. The RP500 features two independently acting check valves and a relief valve. Its maximum system pressure is 175 psi and the maximum operating temperature is 140°F.

Cash Acme 3" flanged Type RPZ Cash-Flo reduced pressure zone backflow preventer for protection against back-pressure and back-siphonage backflow. The RP500 features two independently acting check valves and a relief valve. Its maximum system pressure is 175 psi and the maximum operating temperature is 140°F.

Cash Acme 8" flanged Type RPZ Cash-Flo reduced pressure zone backflow preventer for protection against back-pressure and back-siphonage backflow. The RP500 features two independently acting check valves and a relief valve. Its maximum system pressure is 175 psi and the maximum operating temperature is 140°F.