Backflow Preventers

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Safe Water Starts with Prevention

Shop high-quality backflow prevention products engineered to ensure clean, safe water in every system.

Popular Backflow Preventer Types

Reduced Pressure Zone Assembly Reduced Pressure Zone Assembly
Reduced Pressure Detector Assembly Reduced Pressure Detector Assembly
Double Check Detector Assembly Double Check Detector Assembly
Double Check Valve Assembly Double Check Valve Assembly

Shop Valve Accessories, Repair Kits & Parts

Valve Repair Kits Valve Repair Kits
Valve Repair Parts Valve Repair Parts
Vacuum Breakers Vacuum Breakers
Replacement Handles Replacement Handles

Popular Backflow Preventer Brands

317 Products

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317 Products
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2 in Bronze FPT Reduced Pressure Principle Assembly with Quarter-Turn Ball Valves
Zurn Wilkins 975XL2

2 in Bronze FPT Reduced Pressure Principle Assembly with Quarter-Turn Ball Valves
Part #W975XL2K
Item #3908829
Mfr. Part #2-975XL2
3.6 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

1 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Watts Series LF009

1 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Part #WLF009M2QTFSG
Item #9880569
Mfr. Part #88004112
3.2 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

1/2 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Watts Series LF009

1/2 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Part #WLF009QTFSD
Item #9880567
Mfr. Part #88004110
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    2  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant

1/2 in Brass Union Double Check Valve with Strainer
Watts Series 9D

1/2 in Brass Union Double Check Valve with Strainer
Part #W9DM3D
Item #35572
Mfr. Part #0061935
4.3 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Not Compliant, Approved for Non-Potable Water Applications

2 in Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter-Turn Ball Valves and Flood Sensor
Watts LF919 Series

2 in Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter-Turn Ball Valves and Flood Sensor
Part #WLF919QTFSK
Item #10135572
Mfr. Part #F065376
3.9 out of 5 Customer Rating
Requires Certification

Points
EACH
Out of Stock
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Not Available
  • Requires Certification

  • Lead Law Compliant

1/2 in. x 1/2 in. Brass Union x FPT Dual Check Valve
Watts Series LF7R

1/2 in. x 1/2 in. Brass Union x FPT Dual Check Valve
Part #WLF7RU22D
Item #4378311
Mfr. Part #0072203
3.4 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

2 in Bronze FPT Double Check Valve Assembly with Quarter-Turn Ball Valves
Zurn Wilkins 950XLT2

2 in Bronze FPT Double Check Valve Assembly with Quarter-Turn Ball Valves
Part #W950XLT2K
Item #3908884
Mfr. Part #2-950XLT2
4.7 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant

3/4 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Watts Series LF009

3/4 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Part #WLF009M3QTFSF
Item #9880565
Mfr. Part #88004111
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

3/4 in. Cast Bronze Flanged 350 psi Double Check Valve Backflow Preventer
Zurn Wilkins 350XL

3/4 in. Cast Bronze Flanged 350 psi Double Check Valve Backflow Preventer
Part #W350XLF
Item #3908891
Mfr. Part #34-350XL
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant

3/4 in Reinforced Nylon Flanged Reduced Pressure Principle Assembly with Quarter-Turn Ball Valves
Zurn Wilkins 375XL

3/4 in Reinforced Nylon Flanged Reduced Pressure Principle Assembly with Quarter-Turn Ball Valves
Part #W375XLF
Item #3908791
Mfr. Part #34-375XL
4.4 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

1/2 in. Stainless Steel FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Watts Series SS009

1/2 in. Stainless Steel FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Part #WSS009M3QTFSD
Item #9888831
Mfr. Part #88004045
3.2 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification
2 in Copper Silicon Alloy MPT Reduced Pressure Zone Assembly with Quarter-Turn Ball Valves and Flood Sensor
Watts Series LF909

2 in Copper Silicon Alloy MPT Reduced Pressure Zone Assembly with Quarter-Turn Ball Valves and Flood Sensor
Part #WLF909M1QTFSK
Item #10024585
Mfr. Part #F391012
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

1 in. Brass FPT Dual Check Valve
Watts Series LF07S

1 in. Brass FPT Dual Check Valve
Part #WLF07SG
Item #4321425
Mfr. Part #0122588
3.8 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant, Not Certified

2 in Bronze FPT Reduced Pressure Principle Assembly with Quarter-Turn Ball Valves
Zurn Wilkins 975XL2SEU

2 in Bronze FPT Reduced Pressure Principle Assembly with Quarter-Turn Ball Valves
Part #W975XL2SEUK
Item #4570440
Mfr. Part #2-975XL2SEU
3.1 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant

3/4 Cast Copper Silicon Alloy FPT Double Check Valve Assembly with Freeze Sensor and Quarter-Turn Ball Valve
Watts LF007 Series

3/4 Cast Copper Silicon Alloy FPT Double Check Valve Assembly with Freeze Sensor and Quarter-Turn Ball Valve
Part #WLF007M3QTFZF
Item #10248757
Mfr. Part #T063231
4.9 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

1 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves, Strainer and Flood Sensor
Watts Series LF009

1 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves, Strainer and Flood Sensor
Part #WLF009M2QTSFSG
Item #9888830
Mfr. Part #88004088
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification
3/4 in Bronze FPT Double Check Valve
Zurn Wilkins Model 950XL3

3/4 in Bronze FPT Double Check Valve
Part #W950XL3F
Item #9753800
Mfr. Part #34-950XL3
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification
1-1/2 in. Cast Copper Silicon Alloy Double Check Valve Assembly with Quarter Turn Shutoff Valves and Freeze Sensor
Watts LF007 Series

1-1/2 in. Cast Copper Silicon Alloy Double Check Valve Assembly with Quarter Turn Shutoff Valves and Freeze Sensor
Part #WLF007M2QTFZJ
Item #10248766
Mfr. Part #T063234
4.9 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant

3/8 in. Cast Copper Silicon Alloy FPT Dual Check Valve
Watts Series LF7

3/8 in. Cast Copper Silicon Alloy FPT Dual Check Valve
Part #WLF7C
Item #3953637
Mfr. Part #0792076
3.3 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

1/2 in Bronze FPT Reduced Pressure Principle Assembly with Quarter-Turn Ball Valves
Zurn Wilkins 975XL2

1/2 in Bronze FPT Reduced Pressure Principle Assembly with Quarter-Turn Ball Valves
Part #W975XL2SAGD
Item #4570461
Mfr. Part #12-975XL2SAG
3.4 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant

2 in. Cast Copper Silicon Alloy MPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves, Strainer and Flood Sensor
Watts Series LF909

2 in. Cast Copper Silicon Alloy MPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves, Strainer and Flood Sensor
Part #WLF909M1QTSFSK
Item #10024588
Mfr. Part #F122767
4.3 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant

3/4 in Bronze FPT Dual Check Valve
Zurn Wilkins 700XL

3/4 in Bronze FPT Dual Check Valve
Part #WUFX34F700XLF
Item #3908843
Mfr. Part #34UFX34F-700XL
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant

1 x 3/4 in. Brass FPT x Union Dual Check Valve
Watts Series LF7R

1 x 3/4 in. Brass FPT x Union Dual Check Valve
Part #WLF7R10U2GF
Item #4525703
Mfr. Part #0072207
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Pick Up
    0  Available
    0 nearby
  • Shipping
    Available
  • Requires Certification

  • Lead Law Compliant

1 in x 3/4 in Copper Silicon Alloy FPT x Union Double Check Valve
Watts Series LF7R

1 in x 3/4 in Copper Silicon Alloy FPT x Union Double Check Valve
Part #WLF7R10U3GF
Item #4525709
Mfr. Part #0072208
5 out of 5 Customer Rating
Requires Certification

Points
EACH
How to get it:
  • Requires Certification

  • Lead Law Compliant