Backflow Prevention

Specification Sheets

ProductDescriptionFiles
007Double Check Valve Assemblies 
 
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007DCDADouble Check Detector Assemblies 
 
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007M1DCDAResidential/Commercial Fire Sprinkler Systems Double Check Detector Assemblies 
 
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008PCQTAnti-Siphon, Spill-Resistant Vacuum Breakers  
 
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008QTHigh Hazard Backflow Preventer Anti-Siphon, Spill-Resistant 
 
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009Reduced Pressure Zone Assemblies 
 
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Specification Sheet - Relief Valve Discharge RatesDownload Specification Sheet
188AAnti-Siphon Vacuum Breakers for Irrigation Systems 
 
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288AHot or Cold Water Anti-Siphon Vacuum Breakers 
 
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7Bronze Dual Check Valves 
 
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709Double Check Valve Assemblies, Cast Iron 
 
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709DCDADouble Check Detector Assemblies, Cast Iron 
 
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719Double Check Valve Assemblies, Bronze 
 
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757, 757NDouble Check Valve Assemblies, Stainless Steel  
 
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757DCDA, 757NDCDADouble Check Detector Assemblies, Stainless Steel 
 
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757NaDouble Check Valve Assemblies, Stainless Steel 
 
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757NaDCDADouble Check Detector Assemblies, Stainless Steel 
 
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774Double Check Valve Assemblies, Stainless Steel 
 
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774DCDADouble Check Detector Assemblies, Stainless Steel 
 
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8Hose Connection Vacuum Breakers, Brass 
 
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800M4FRFreeze Resistant Pressure Vacuum Breakers 
 
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800M4QTAnti-Siphon Pressure Vacuum Breakers 
 
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800MQT, 800MCQTCompact Pressure Vacuum Breakers 
 
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8AHose Connection Vacuum Breakers, Brass 
 
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8BHose Connection Vacuum Breakers, Brass 
 
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8CHose Connection Vacuum Breakers, Chrome Plated Brass 
 
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8FRHose Connection Vacuum Breakers with Freeze Relief Feature, Brass 
 
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8PHose Connection Vacuum Breakers, Plastic 
 
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909RPDAReduced Pressure Detector Assemblies, Cast Iron 
 
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912HPHigh Pressure Hose Drop Dual Check Vacuum Breakers 
 
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919Reduced Pressure Zone Assemblies, Bronze 
 
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957, 957N, 957ZReduced Pressure Zone Assemblies, Stainless Steel 
 
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Specification Sheet - Relief Valve Discharge RatesDownload Specification Sheet
957RPDA, 957NRPDA, 957ZRPDAReduced Pressure Detector Assemblies, Stainless Steel 
 
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994Reduced Pressure Zone Assemblies, Stainless Steel 
 
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994HMBPortable Hydrant Meter Backflow Preventers with Meter 
 
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994RPDAReduced Pressure Detector Assemblies, Stainless Steel 
 
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9BDDual Check Vacuum Breakers for Vending Machine Water Supply Lines 
 
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9DDual Check Valves with Intermediate Atmospheric Vent 
 
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Air GapsFor Reduced Pressure Zone Assemblies 
 
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Caps & TethersFor Protection of Backflow Preventer Test Cocks  
 
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FlangesFor Retrofitting Backflow Preventers 
 
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FR 500Thermostatic Freeze Relief Kits 
 
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LF007Lead Free* Double Check Valve Assemblies 
 
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LF008PCQTLead Free* Anti-Siphon, Spill-Resistant Vacuum Breakers  
 
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LF009Lead Free* Reduced Pressure Zone Assemblies 
 
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Specification Sheet - Relief Valve Discharge RatesDownload Specification Sheet
LF07SLead Free* Residential Fire Sprinkler System Dual Check Valves 
 
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LF288ALead Free* Hot or Cold Water Anti-Siphon Vacuum Breakers 
 
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LF288A-DMLead Free* Hot or Cold Water Anti-Siphon Vacuum Breakers - Deck/Equipment Mounted 
 
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LF289Lead Free* Spill Resistant Atmospheric Vacuum Breakers 
 
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LF7Lead Free* Bronze Dual Check Valves 
 
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LF709Lead Free* Double Check Valve Assemblies, Cast Iron 
 
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LF719Lead Free* Double Check Valve Assemblies, cast copper silicon alloy 
 
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LF757DCDA, LF757NDCDADouble Check Detector Assemblies, Stainless Steel  
 
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LF7RLead Free* Brass Dual Check Valves 
 
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LF8Lead Free* Hose Connection Vacuum Breakers, Copper Silicon Alloy 
 
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LF800M4FRLead Free* Freeze Resistant Pressure Vacuum Breakers 
 
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LF800M4QTLead Free* Anti-Siphon Pressure Vacuum Breakers 
 
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LF909Lead Free* Reduced Pressure Zone Assemblies, Bronze 
 
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Specification Sheet - Relief Valve Discharge RatesDownload Specification Sheet
LF909Lead Free* Reduced Pressure Zone Assemblies, Cast Iron 
 
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Specification Sheet - Relief Valve Discharge RatesDownload Specification Sheet
LF919Lead Free* Reduced Pressure Zone Assemblies, Bronze 
 
Specification Sheet - ES-LF919.pdfDownload Specification Sheet
LF957RPDA, LF957NRPDA, LF957ZRPDALead Free* Reduced Pressure Detector Assemblies  
 
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LFN388Lead Free* Hot or Cold Water Anti-Siphon Vacuum Breakers 
 
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LFN9, LFN9CLead Free* Dual Check Vacuum Breakers 
 
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LFN9-CDField Testable Hose Connection Backflow Preventer 
 
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LFNLF-9Lead Free* Dual Check Vacuum Breakers for Laboratory Faucets 
 
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LFU009Lead Free* Reduced Pressure Zone Assemblies with Swivel Union Connections 
 
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N9, N9CDual Check Vacuum Breakers 
 
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N9-CDField Testable Dual Check Vacuum Breaker with Atmospheric Vent 
 
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NF8Hose Connection Vacuum Breakers for Wall & Yard Hydrants, Brass 
 
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NLF-9Dual Check Vacuum Breakers for Laboratory Faucets 
 
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PIVPost Indicating Valves 
 
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RK-EZ-STDValve and Meter Support Stand 
 
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S8Hose Connection Vacuum Breakers for Tub & Shower Hand Spray Sets, Brass 
 
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SD-2Dual Check Valves for Carbonated Beverage Machines 
 
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SD-3Dual Check Valves with Atmospheric Port & Strainer for Carbonated Beverage Machines 
 
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SpoolsFor Retrofitting Backflow Prevention Assemblies 
 
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SS007Stainless Steel Double Check Valve Assemblies 
 
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SS009Stainless Steel Reduced Pressure Zone Assemblies 
 
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Test CocksTo Facilitate Backflow Assembly Testing 
 
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TK-7Backflow Preventer Test Kit for Series 007, 7 and 709 
 
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TK-99DDelta Lite Backflow Preventer Test Kit 
 
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TK-99EBackflow Preventer Test Kit 
 
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TK-9ABackflow Preventer Test Kit 
 
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TK-DLBackflow Preventer Test Kit with Download Capability 
 
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U009Reduced Pressure Zone Assemblies with Swivel Union Connections 
 
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Vent ElbowsFor Use with Vertical RPZ Installations 
 
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WattsBoxInsulated Backflow Enclosures 
 
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WattsRockEnclosures 
 
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WVSValve Setters  
 
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Learn About

USC Cross-Connections in Household Plumbing Systems Study
There are a number of potential cross-connections in household plumbing systems that must be protected against backflow. To learn more about these hazards and to download a recent study from USC on cross-connections in household plumbing systems,

For more info, click here.

Featured Item

Stop Backflow News
Backflow contamination can have hazardous or even fatal results. It is essential that backflow prevention programs be put in place and maintained on an ongoing basis. Stop Backflow news presents many case histories outlining the effects of backflow contamination.

To download this brochure, click here