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Products Compliant to ASSE Standards

ASSE product and professional standards are developed through true industry consensus, meaning experts from all segments of the plumbing and mechanical industries across the country help determine the minimum performance and knowledge requirements for the products listed below.

This table is meant to help guide you through product performance standards for Watts plumbing and flow control components. ASSE standards are developed and revised under the American National Standards Institute (ANSI) accredited standards development process.

ASSE Standard	Applicable Series	Related Product Category
ASSE 1001 Atmospheric Type Vacuum Breakers	188A, 710, 715, LF288A, LFN388, LF289	Vacuum Breakers
ASSE 1003 Water Pressure Reducing Valves for Domestic Water Distribution Systems	LFU5B-Z3, LF25AUB-Z3, LFN45B, LF223, LFN223B	Water Pressure Reducing Valves
ASSE 1011 Hose Connection Vacuum Breakers	8, LF8, NF8, 8FR	Vacuum Breakers
ASSE 1012 Backflow Preventer with an Intermediate Atmospheric Vent	9D, 911, 912HP	Dual Checks/Dual Checks with Atmospheric Vent
ASSE 1013 Reduced Pressure Principle Backflow Preventers and Reduced Pressure Principle Fire Protection Backflow Preventers	009, LF009, SS009, 825Y, LF825Y, LF880V, 919, LF919, 957, 994, LF909 Small, LF909 Large	Reduced Pressure Zone Assemblies
ASSE 1015 Double Check Backflow Prevention Assemblies and Double Check Fire Protection Backflow Prevention Assemblies	007, LF007, SS007, 850 Small, 850 Large, LF850 Small, LF850 Large, LF870V, 719, LF719, 757, 774, LF709	Double Check Valve Assemblies
ASSE 1016 Automatic Compensating Valves for Individual Showers and Tub/Shower Combinations	LFN170, HydroGuard e700, HydroGuard PB410, HydroGuard e420, HydroGuard e427	Shower Mixing Valves
ASSE 1017 Temperature Actuated Mixing Valves for Hot Water Distribution Systems	LFMMV, LF1170, LFL1170, HydroGuard LFLM495, HydroGuard LFLM490, HydroGuard XP LFMM430	Master Mixing Valves
ASSE 1020 Pressure Vacuum Breaker Assemblie	765, 800M4QT, LF800M4QT, 800M4FR	Vacuum Breakers
ASSE 1022 Backflow Preventer for Beverage Dispensing Equipment	SD-3	Dual Checks/Dual Checks with Atmospheric Vent
ASSE 1024 Dual Check Backflow Preventers	LF7R, LF7, LF07S, LFH7	Dual Checks/Dual Checks with Atmospheric Vent
ASSE 1032 Dual Check Valve Type Backflow Preventers for Carbonated Beverage Dispensers, Post Mix Type	SD-2	Dual Checks/Dual Checks with Atmospheric Vent
ASSE 1035 Laboratory Faucet Backflow Preventers	LFNLF-9	Dual Checks/Dual Checks with Atmospheric Vent
ASSE 1047 Reduced Pressure Detector Fire Protection Backflow Prevention Assemblies	957RPDA, LF957RPDA, 994RPDA, 909RPDA, LF866	Reduced Pressure Detector Assemblies
ASSE 1048 Double Check Detector Fire Protection Backflow Prevention Assemblies	007DCDA, 757DCDA, LF757DCDA, 774DCDA, 709DCDA, LF856, LF876V	Double Check Detector Assemblies
ASSE 1052 Hose Connection Backflow Preventers	LFN9-CD	Dual Checks/Dual Checks with Atmospheric Vent
ASSE 1056 Spill Resistant Vacuum Breaker Assemblies	LF008PCQT	Vacuum Breakers
ASSE 1060 Outdoor Enclosures for Fluid Conveying Components	WB, WattsRock	Enclosures for Backflow Preventers
ASSE 1069 Automatic Temperature Control Mixing Valves	LFMMV	Master Mixing Valves
ASSE 1070 Water Temperature Limiting Devices	LFUSG-B, 1070, G1070, LFMMV, TempTAP 105, TempTAP 205, HydroGuard LFe480, HydroGuard LFLM495	Lavatory Mixing Valves
ASSE 1071 Temperature Actuated Mixing Valves for Plumbed Emergency Equipment	HydroGuard ES150, ETV200 Exposed, ETV200 Cabinet	Emergency Valves