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Watts® Backflow Preventers

Backflow is defined as the reverse flow of contaminated or undesirable substance into the potable water supply. Installing a backflow preventer can protect the water supply from this very serious type of situation. This product guide includes information on Watts’ complete line of backflow prevention devices.



Watts® Series 007DCDA Double Check Detector Assemblies

Watts® Model 007M1DCDA Residential Fire Sprinkler Double Check Detector Backflow Prevention Assembly

Watts® Series 709DCDA Double Check Detector Assemblies

Watts® Series 757DCDA, 757NDCDA Double Check Detector Assemblies

Watts® Series 774DCDA Double Check Detector Assemblies

Watts® Series LF757DCDA, LF757NDCDA Double Check Detector Assemblies

Watts® Series 007 Double Check Valve Assemblies

Watts® Series 719 Double Check Valve Assemblies

Watts® Series 757, 757N Double Check Valve Assemblies

Watts® Series 774 Double Check Valve Assemblies

Watts® Series LF007 Double Check Valve Assemblies

Watts® Series LF709 Double Check Valve Assemblies

Watts® Series LF719 Double Check Valve Assemblies

Watts® Series SS007 Stainless Steel Double Check Valve Assemblies

Watts® Series BA BM Backflow Preventer

Watts® Series 009 Reduced Pressure Zone Assemblies

Watts® Series LF009 Reduced Pressure Zone Assemblies

Watts® Series LF909 Reduced Pressure Zone Assemblies

Watts® Series LF919 Reduced Pressure Zone Assemblies

Watts® Series SS009 Stainless Steel Reduced Pressure Zone Assemblies

Watts® Series LF9D Dual Check Valve with Intermediate Atmospheric Vent

Watts® Series LFN9 Dual Check Vacuum Breakers for In-Line Applications

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