Top 8 Best Double Check Backflow Preventer

of June 2024
1
Best ChoiceBest Choice
Zurn Wilkins 1" 350 Double Check Backflow Preventer
Zurn
Zurn

10
Exceptional
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2
Best ValueBest Value
Zurn Wilkins 3/4" 350 Double Check Backflow Preventer
Zurn
Zurn

9.9
Exceptional
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3
Zurn Wilkins 1" 350XL Double Check Backflow Preventer, with SAE Flare Test Fitting
Zurn
Zurn

9.8
Exceptional
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4
Watts 2" Lead Free Double Check Valve Assembly, Quarter Turn Shutoff, Single Top Entry, LF007M1-QT
Watts
Watts

9.7
Exceptional
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5
Wilkins 950- XL 3/4" Double Check Valve Backflow Preventer
Wilkins
Wilkins

9.6
Exceptional
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6
A.R.I. 1" DC 500-100 Lead Free Double Check Backflow Preventer

9.5
Excellent
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7
Zurn Wilkins 1" 350XL Double Check Backflow Preventer
Zurn
Zurn

9.4
Excellent
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8
Watts 1 1/4 in Lead Free Double Check Valve Assembly, Quarter Turn Shutoff, Single Top Entry (1 1/4 LF007M2-QT)
Watts
Watts

9.3
Excellent
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9
Zurn Wilkins 1" 975XL Reduced Pressure Principle Backflow Preventer
Zurn
Zurn

9.2
Excellent
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10
Zurn Wilkins 3/4" 720A Pressure Vacuum Breaker Assembly
Zurn
Zurn

9.1
Excellent
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About Double Check Backflow Preventer

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Zurn Wilkins 1" 350 Double Check Backflow Preventer

Flush Tool FLUSH provides easy line flushing, saving up to 15 minutes per installation. EZSwap removable pressure vessel reduces repair time and costs, and is serviceable off-line. Reduced labor and repair kit costs save 75 or more during backflow lifecycleASSE Listed 1015, IAPMO ListedCSA Certified B64.6. AWWA Compliant C510Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California.

Zurn Wilkins 3/4" 350 Double Check Backflow Preventer

Package Dimensions 11.938 H x 15.24 L x 31.242 W centimetres. Package Weight 2.267 kilograms. Assembly shall provide protection where a potential health hazard does not exist. Country of Origin United States.

Zurn Wilkins 1" 350XL Double Check Backflow Preventer, with SAE Flare Test Fitting

1 Double Check Valve Assembly. Composite Vessel. Fnpt X Fnpt, Fast Test Cocks. Brand Wilkins.

Watts 2" Lead Free Double Check Valve Assembly, Quarter Turn Shutoff, Single Top Entry, LF007M1-QT

Lead free construction. Modular compact design. Replaceable seats and seat discs. Top entry.

Wilkins 950- XL 3/4" Double Check Valve Backflow Preventer

ASSE listed 1025, IAPMO listed, C-UL classified. Two full port ball valves for shut-off and four ball valve test cocks. Bronze body construction. Noryl replaceable seats and silicone rubber check disks. Entire unit serviceable in-line.

A.R.I. 1" DC 500-100 Lead Free Double Check Backflow Preventer

Lead Free and Theft Deterrent with USC Approval. Composite Body with Patented Modular Design. Low Cost Service Repair. Light Weight with Low Friction Loss. Meets EPA requirements with NSF 61-G Certification.

Zurn Wilkins 1" 350XL Double Check Backflow Preventer

1 Double Check Valve Assembly. Composite Vessel. FNPT x FNPT. Country of origin United States.

Watts 1 1/4 in Lead Free Double Check Valve Assembly, Quarter Turn Shutoff, Single Top Entry (1 1/4 LF007M2-QT)

Lead free construction. Modular compact design. Replaceable seats and seat discs. Top entry.

Zurn Wilkins 1" 975XL Reduced Pressure Principle Backflow Preventer

Noryl replaceable seats and silicone rubber check disks. Nickel-plated ball valve handles offer superior corrosion resistance. A tried and true design favored by installers worldwide. Wye pattern design for short lay length. Entire unit serviceable in line and the size is of 1-inch.

Zurn Wilkins 3/4" 720A Pressure Vacuum Breaker Assembly

Maximum working water pressure 150 PSI. Maximum working water temperature 110F. Hydrostatic test pressure 300 PSI. End connections threaded ANSI B1.20.1. All bronze body and bonnet construction. Standards Compliance ASSE Listed 1020, IAPMO Listed, CSA Certified. Main valve body Cast Bronze ASTM B584. Fasteners Stainless Steel, 300 Series.