Backflow Preventers

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FNW® Adjustable Pipe Stands

Get high-quality support for pipe, valves and backflow preventers.

Popular Backflow Preventer Brands

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

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493 Products
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1 in. Cast Bronze FNPT Backflow Preventer
Zurn Wilkins 975XL2

1 in. Cast Bronze FNPT Backflow Preventer
Part #W975XL2G
Item #3908913
Mfr. Part #1-975XL2
4 out of 5 Customer Rating
Requires Certification

Points
$1,319.99
EACH
  • Pick Up: 0 in Hilliard, OH Available Nearby
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

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

2 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Part #WLF009M2QTFSK
Item #9880568
Mfr. Part #88004115
5 out of 5 Customer Rating
Requires Certification

Points
$1,547.70
EACH
  • Pick Up: 0 in Hilliard, OH Available Nearby
  • Shipping: Available for immediate shipment
  • 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
$527.32
EACH
  • Pick Up: 1 in Hilliard, OH
  • Shipping: Available for immediate shipment
  • 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
$1
EACH
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant, Not Certified

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
$749.56
EACH
  • Pick Up: 0 in Hilliard, OH Available Nearby
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

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

3/4 in. x 3/4 in. Brass Union x FPT Dual Check Valve
Part #WLF7RU22F
Item #4378312
Mfr. Part #0072204
4.5 out of 5 Customer Rating
Requires Certification

Points
$101.86
EACH
  • Pick Up: 2 in Hilliard, OH
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

1 in. Cast Brass Flanged 175 psi Double Check Valve Backflow Preventer
Zurn Wilkins 350XL

1 in. Cast Brass Flanged 175 psi Double Check Valve Backflow Preventer
Part #W350XLG
Item #3908842
Mfr. Part #1-350XL
4.1 out of 5 Customer Rating
Requires Certification

Points
$569.99
EACH
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

2 in. Bronze FPT Double Check Valve Assembly with Quarter Turn Shutoff Valves and Freeze Senser
Watts LF007 Series

2 in. Bronze FPT Double Check Valve Assembly with Quarter Turn Shutoff Valves and Freeze Senser
Part #WLF007M1QTFZK
Item #10248764
Mfr. Part #T063235
5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

1/2 in. Bronze Union FNPT x Union Backflow Preventer
Watts Series 9D

1/2 in. Bronze Union FNPT x Union Backflow Preventer
Part #W9DM3D
Item #35572
Mfr. Part #0061935
4.3 out of 5 Customer Rating
Requires Certification

Points
$279.87
EACH
  • Pick Up: 1 in Hilliard, OH
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Not Compliant, Approved for Non-Potable Water Applications

8 in. Stainless Steel Flanged 350 psi Backflow Preventer
Zurn Wilkins Model 375AST

8 in. Stainless Steel Flanged 350 psi Backflow Preventer
Part #W375ASTOSYX
Item #5149401
Mfr. Part #8-375ASTOSY
3.1 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification

  • Lead Law Compliant

8 in. Stainless Steel Flanged 350 psi Backflow Preventer
Zurn Wilkins Model 375ASTDA

8 in. Stainless Steel Flanged 350 psi Backflow Preventer
Part #W375ASTDAX
Item #5149402
Mfr. Part #8-375ASTDA
4.2 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

2 in. Copper Silicon Alloy MNPT 175 psi Backflow Preventer
Watts Series LF909

2 in. Copper Silicon Alloy MNPT 175 psi Backflow Preventer
Part #WLF909M1QTFSK
Item #10024585
Mfr. Part #F391012
5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

1 in. Cast Bronze FNPT Backflow Preventer
Zurn Wilkins 375XL

1 in. Cast Bronze FNPT Backflow Preventer
Part #W375XLG
Item #3908875
Mfr. Part #1-375XL
4.7 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
  • Pick Up: 0 in Hilliard, OH Available Nearby
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

1-1/2 in. Cast Copper Silicon Alloy Doube Check Valve Assembly with Quarter Turn Shutoff Valves and Freeze Sensor
Watts LF007 Series

1-1/2 in. Cast Copper Silicon Alloy Doube 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
$1
EACH
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

8 in. 304 Stainless Steel Flanged 175 psi Backflow Preventer
Watts Series LF757DCDA

8 in. 304 Stainless Steel Flanged 175 psi Backflow Preventer
Part #WLF757DCDAOSYGPMX
Item #4525229
Mfr. Part #0122718
5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification

  • Lead Law Compliant

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

2 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves, Strainer and Flood Sensor
Part #WLF009M2QTSFSK
Item #9894568
Mfr. Part #88004087
4.6 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification
8 in. Ductile Iron Flanged 350 psi Backflow Preventer
Zurn Wilkins Model 350ASTDA

8 in. Ductile Iron Flanged 350 psi Backflow Preventer
Part #W350ASTDAX
Item #4719911
Mfr. Part #8-350ASTDA
5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

8 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer
Zurn Wilkins 350DA

8 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer
Part #W350DALFX
Item #4802238
Mfr. Part #8-350DA
3.4 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • 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 LF909-FS

1 in. Cast Copper Silicon Alloy FPT Reduced Pressure Zone Assembly with Quarter Turn Shutoff Valves and Flood Sensor
Part #WLF909QTFSG
Item #10024590
Mfr. Part #F391009
3.6 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
  • Pick Up: 0 in Hilliard, OH Available Nearby
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

6 in. Ductile Iron Flanged 350 psi Backflow Preventer
Zurn Wilkins Model 350ASTDA

6 in. Ductile Iron Flanged 350 psi Backflow Preventer
Part #W350ASTDALFU
Item #4802176
Mfr. Part #6-350ASTDA
4.5 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

3 in. Cast Iron Flanged 175 psi Backflow Preventer
Watts Series LF909-FS

3 in. Cast Iron Flanged 175 psi Backflow Preventer
Part #WLF909NRSFSM
Item #9771993
Mfr. Part #88009301
3.2 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • 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
$410.28
EACH
  • Pick Up: 0 in Hilliard, OH Available Nearby
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

10 in. Ductile Iron Flanged 350 psi Backflow Preventer
FEBCO MasterSeries® LF880V-FS

10 in. Ductile Iron Flanged 350 psi Backflow Preventer
Part #FLF880VDNRSFS10
Item #10001106
Mfr. Part #F683145
3.4 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Not available
  • Requires Certification

  • Lead Law Compliant

3 in. Ductile Iron Barbed 175 psi Reduced Pressure Principle Backflow Preventer
Zurn Wilkins Model 375

3 in. Ductile Iron Barbed 175 psi Reduced Pressure Principle Backflow Preventer
Part #W375M
Item #1507323
Mfr. Part #3-375
3.8 out of 5 Customer Rating
Requires Certification

Points
$1
EACH
Log in or Create an Account to see product availability.
  • Pick Up: Not available
  • Shipping: Available for immediate shipment
  • Requires Certification

  • Lead Law Compliant

Popular Products
1–6 of 18 items
3/4 in. Bronze NPT 350 psi Backflow Preventer
Zurn Wilkins Model 975XL

3/4 in. Bronze NPT 350 psi Backflow Preventer
Part #W975XL3F
Item #9753819
3.9 out of 5 Customer Rating
Requires Certification

Points
$1,076.99
EACH
1 in. Cast Bronze FNPT Backflow Preventer
Zurn Wilkins 975XL2

1 in. Cast Bronze FNPT Backflow Preventer
Part #W975XL2G
Item #3908913
4 out of 5 Customer Rating
Requires Certification

Points
$1,319.99
EACH
3/4 in. Cast Bronze Union FNPT x FNPT 175 psi Backflow Preventer
Zurn Wilkins 700XL

3/4 in. Cast Bronze Union FNPT x FNPT 175 psi Backflow Preventer
Part #WUFX34F700XLF
Item #3908843
5 out of 5 Customer Rating
Requires Certification

Points
$127.99
EACH
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
4.9 out of 5 Customer Rating
Requires Certification

Points
$410.28
EACH
3/8 in. Stainless Steel MPT Dual Check Valve
Watts Model SD-2

3/8 in. Stainless Steel MPT Dual Check Valve
Part #WSD2MN
Item #2475566
5 out of 5 Customer Rating
Requires Certification

Points
$404.17
EACH
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
5 out of 5 Customer Rating
Requires Certification

Points
$527.32
EACH
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