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You are here: Home > Backflow Devices > Wilkins Backflow Devices > Double Check Assemblies

Wilkins Double Check Assemblies

Wilkins Double Check Assemblies are designed to prevent contaminated & hazardous water from getting into your drinking water.

Featuring ball valves and test petcocks, Double Check Valve Assemblies consist of two check valves in series. Wilkins Pressure Vacuum Breaker Assemblies meet all state and federal requirements pertaining to DCA devices.

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Wilkins WK950XLT-075 - 3/4" Double Check Valve Assembly
Wilkins 950XLT-075 3/4 inch DCV Backflow Preventer
  • 3/4" double check assembly
  • Prevents unwanted, non-toxic contamination
  • Tethered test cock cap provided to protect against insects, dirt and debris
  • Maximum working pressure: 175 psi    

Our Price: $112.50
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Wilkins WK950XLT-100 - 1 inch Double Check Valve Assembly
Wilkins 950XLT-100 1 inch DCV Backflow Preventer
  • 1" double check assembly
  • Prevents unwanted, non-toxic contamination
  • Tethered test cock cap provided to protect against insects, dirt and debris
  • Maximum working pressure: 175 psi

Our Price: $114.85
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Wilkins WK950XLT-150 - 1-1/2 inch Double Check Valve Assembly
Wilkins 950XLT-150 1.5 inch DCV Backflow Preventer
  • 1-1/2" double check assembly
  • Prevents unwanted, non-toxic contamination
  • Threaded end connections
  • Maximum working pressure: 175 psi


Our Price: $290.00
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Wilkins WK950XLT-200 - 2 inch Double Check Valve Assembly
Wilkins 950XLT-200 2 inch DCV Backflow Preventer
  • 2" double check assembly
  • Prevents unwanted, non-toxic contamination
  • Threaded end connections
  • Maximum working pressure: 175 psi


Our Price: $339.00
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Wilkins WK350FT-100 1 in. DCA Backflow Preventer With SAE Test Cock
Wilkins WK350FT-100 1 in. DCA Backflow Preventer With SAE Test Cock
  • 1" Double Check Valve Assembly Backflow Preventer
  • 175 PSI maximum working pressure
  • Protects potable water supply from contaminants
  • Includes male 45° flare SAE test fitting

Our Price: $107.95
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Wilkins WK350FT-150 1-1/2 in. DCA With SAE Test Cock
Wilkins WK350FT-150 1-1/2 in. DCA With Male SAE Test Cock
  • 1-1/2" double check valve assembly backflow preventer
  • 175 PSI maximum working pressure
  • Protects potable water supply from contaminants
  • Includes male 45° flare SAE test fitting

Our Price: $275.00
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Wilkins WK350FT-200 2 in. DCA Backflow Preventer With SAE Test Cock
Wilkins WK350FT-200 2 in. DCA With SAE Male Test Cock
  • 2" Double Check Valve Assembly Backflow Preventer
  • 175 PSI maximum working pressure
  • Protects potable water supply from contaminants
  • Includes male 45° flare SAE test fitting

Our Price: $295.00
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Wilkins WK350BOF-100 1 in. DCA With Blow Out Flush Fitting
Wilkins WK350BOF-100 1 in. DCA With Blow Out Flush Fitting
  • 1" Double Check Valve Assembly Backflow Preventer
  • 175 PSI maximum working pressure
  • Protects potable water supply from contaminants
  • Includes removable piece for system flushes, blow-outs, and winterizing

Our Price: $148.95
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Wilkins WK350BOF-150 1-1/2 in. DCA With Blow Out Flush Fitting
Wilkins WK350BOF-150 1-1/2 in. DCA With Blow Out Flush Fitting
  • 1-1/2" double check valve assembly backflow preventer
  • 175 PSI maximum working pressure
  • Protects potable water supply from contaminants
  • Includes removable piece for system flushes, blow-outs, and winterizing

Our Price: $355.96
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Wilkins WK350BOF-200 2 in. DCA With Blow Out Flush Fitting
Wilkins WK350BOF-200 2 in. DCA With Blow Out Flush Fitting
  • 2" Double Check Valve Assembly Backflow Preventer
  • 175 PSI maximum working pressure
  • Protects potable water supply from contaminants
  • Includes removable piece for system flushes, blow-outs, and winterizing

Our Price: $396.95
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