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FaucetsAir ToolsAmerican StandardBathroom Cabinets & FixturesBathroom PlumbingElectrical ToolsGuttering & DrainageHand ToolsHVAC Ducting and VentilationKitchen PlumbingMechanics ToolsOutletsPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPower ToolsShop Plumbing BrandsShop Plumbing by FixtureTestersToilets and BidetsValves & Valve RepairWater HeatersWater Heaters, Pumps & Tanks
Backflow Valve(500)
Uses item details. Price when purchased online
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211 $11.34 Was $12.60
Sponsored
Now$1134
current price Now $11.34, Was $12.60$12.60
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211
VEVOR Anti-Siphon Frost-Proof Sillcock, 12" Freeze Proof Outdoor Faucet Bib with Backflow Preventer, 1/2" Push-to-Fit Connector X 3/4" Hose Bibb, No Lead Frost-free Spigot for PEX Copper CPVC Pipes $31.90
Sponsored
$3190
current price $31.90VEVOR Anti-Siphon Frost-Proof Sillcock, 12" Freeze Proof Outdoor Faucet Bib with Backflow Preventer, 1/2" Push-to-Fit Connector X 3/4" Hose Bibb, No Lead Frost-free Spigot for PEX Copper CPVC Pipes
33.7 out of 5 Stars. 3 reviews
Merrill mfg BVBADNL75 Brass Vacuum Breaker Valve, 3/4 inch, Backflow Preventor for Drain Pipes $16.96
Sponsored
$1696
current price $16.96Merrill mfg BVBADNL75 Brass Vacuum Breaker Valve, 3/4 inch, Backflow Preventor for Drain Pipes
54.8 out of 5 Stars. 5 reviews
Merrill Mfg CVNL100 No Lead Brass Check Valve for Well, 1", 700 Series $20.00
Sponsored
$2000
current price $20.00Merrill Mfg CVNL100 No Lead Brass Check Valve for Well, 1", 700 Series
104.9 out of 5 Stars. 10 reviews
Mueller/B & K 108-904RP Backflow Preventer-Vacuum Breaker From $10.74
From$1074
Mueller/B & K 108-904RP Backflow Preventer-Vacuum Breaker
214.4 out of 5 Stars. 21 reviews
Merrill mfg BVBADNL75 Brass Vacuum Breaker Valve, 3/4 inch, Backflow Preventor for Drain Pipes $16.96
$1696
current price $16.96Merrill mfg BVBADNL75 Brass Vacuum Breaker Valve, 3/4 inch, Backflow Preventor for Drain Pipes
54.8 out of 5 Stars. 5 reviews
Legend Valve T-459 3/4" Backflow Preventer / Atmospheric Vent, #115-114 $74.47
$7447
current price $74.47Legend Valve T-459 3/4" Backflow Preventer / Atmospheric Vent, #115-114
AHGQT Quiet Sump Pump Check Valve, 2 Inch PVC Silent Backflow Valve With Spring Loaded Flapper for Backflow Prevention, Reduces Water Hammer Noise, Sump Pump Life Expectancy Increase From $26.99
From$2699
AHGQT Quiet Sump Pump Check Valve, 2 Inch PVC Silent Backflow Valve With Spring Loaded Flapper for Backflow Prevention, Reduces Water Hammer Noise, Sump Pump Life Expectancy Increase
PVC Inline Check Valve for Backflow Prevention 1-1/4'' Solvent Connections White Plastic $14.99
$1499
current price $14.99PVC Inline Check Valve for Backflow Prevention 1-1/4'' Solvent Connections White Plastic
YAHHU JC80 Cast Iron One-Way Check Valve 3/4 in / 1.9 cm for Air Compressors, Heavy Duty Return Valve for Liquid Backflow Prevention $24.53
$2453
current price $24.53YAHHU JC80 Cast Iron One-Way Check Valve 3/4 in / 1.9 cm for Air Compressors, Heavy Duty Return Valve for Liquid Backflow Prevention
Best seller KFFKFF 12" Frost-Proof Outdoor Faucet with Anti-Siphon and Backflow Prevention, 1/2" Push-to-Fit Connector x 3/4" Hose Bibb, Lead-Free Spigot for PEX, Copper, and CPVC Pipes $24.99
Sponsored
$2499
current price $24.99KFFKFF 12" Frost-Proof Outdoor Faucet with Anti-Siphon and Backflow Prevention, 1/2" Push-to-Fit Connector x 3/4" Hose Bibb, Lead-Free Spigot for PEX, Copper, and CPVC Pipes
104.3 out of 5 Stars. 10 reviews
DANSPEED 1/2" Stainless Steel Vertical Check Valve NPT Spring Loaded In-line From $12.49
Sponsored
From$1249
DANSPEED 1/2" Stainless Steel Vertical Check Valve NPT Spring Loaded In-line
25 out of 5 Stars. 2 reviews
3/4 in. Bronze Double Check Valve Backflow Preventer Assembly Quarter Turn Shutoff with Freeze Sensor $249.99
$24999
current price $249.993/4 in. Bronze Double Check Valve Backflow Preventer Assembly Quarter Turn Shutoff with Freeze Sensor
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211 $11.34 Was $12.60
Now$1134
current price Now $11.34, Was $12.60$12.60
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211
Uxcell 2-Pack Brass Check Valve, 1/2" Male to 1/2" Male Thread One Way Non-Return Backflow Preventer Valve [Gold] $11.49
![Uxcell 2-Pack Brass Check Valve, 1/2" Male to 1/2" Male Thread One Way Non-Return Backflow Preventer Valve [Gold]](https://i5.walmartimages.com/seo/Uxcell-2-Pack-Brass-Check-Valve-1-2-Male-to-1-2-Male-Thread-One-Way-Non-Return-Backflow-Preventer-Valve-Gold_60d7ab8f-3159-4d4a-8bd8-41d5be9eea48.a94d3839d5509db131db6f1b8480a2e8.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1149
current price $11.49Uxcell 2-Pack Brass Check Valve, 1/2" Male to 1/2" Male Thread One Way Non-Return Backflow Preventer Valve [Gold]
Backflow Preventer Valves for Shower & Floor Drains | One-Way Sewer Check Valves | Metal+PC Construction | Prevents Odors & Backflow
Backflow Preventer Valves for Shower & Floor Drains | One-Way Sewer Check Valves | Metal+PC Construction | Prevents Odors & Backflow
yaaqii PVC Check Valve Backflow Prevention Valve Backflow Water Valve Prevent Backflow From $16.75
2 options
Available in additional 2 optionsFrom$1675
yaaqii PVC Check Valve Backflow Prevention Valve Backflow Water Valve Prevent Backflow
YAHHU 2 Inch DN50 Brass Swing Check Valve, Female Thread Non-Return Water Valve 232PSI Prevent Backflow $32.09
$3209
current price $32.09YAHHU 2 Inch DN50 Brass Swing Check Valve, Female Thread Non-Return Water Valve 232PSI Prevent Backflow
Uxcell G3/4 Male Female Thread 30x33mm Non-Return Backflow Prevent Brass Check Valve From $12.99
2 options
Available in additional 2 optionsFrom$1299
Uxcell G3/4 Male Female Thread 30x33mm Non-Return Backflow Prevent Brass Check Valve
Watts 1 in. D X 1 in. D FNPT x FNPT Brass Backflow Preventer Double Check Valve $299.95
$29995
current price $299.95Watts 1 in. D X 1 in. D FNPT x FNPT Brass Backflow Preventer Double Check Valve
1Pcs Brass Check Valve 1 Inch, Backflow Preventer,1” IG TO AG Return Valve, Rustproof and Watertight,For Water Pipes,Pumps,Gardens,Barrels,Washing Machines From $18.04
Sponsored
From$1804
1Pcs Brass Check Valve 1 Inch, Backflow Preventer,1” IG TO AG Return Valve, Rustproof and Watertight,For Water Pipes,Pumps,Gardens,Barrels,Washing Machines
Inline Check Valve w/ 1/4" Quick Connect Push Connect Fittings for Reverse Osmosis Systems $16.99
Sponsored
$1699
current price $16.99Inline Check Valve w/ 1/4" Quick Connect Push Connect Fittings for Reverse Osmosis Systems
Midline Valve PVC Inline Check Valve for Backflow Prevention; 1'' Solvent Connections; White Plastic From $8.87
4 options
Available in additional 4 optionsFrom$887
Midline Valve PVC Inline Check Valve for Backflow Prevention; 1'' Solvent Connections; White Plastic
Anti Backflow Valves Heavy Duty Construction Threaded Ends Fit for Pipe Systems From $8.89
3 options
Available in additional 3 optionsFrom$889
Anti Backflow Valves Heavy Duty Construction Threaded Ends Fit for Pipe Systems
Inline Check Valve, Solvent Connections Stainless Steel Spring Loaded Backflow Preventer, Quick Assembly Without Disassembling Clamp (40mm) $19.99
$1999
current price $19.99Inline Check Valve, Solvent Connections Stainless Steel Spring Loaded Backflow Preventer, Quick Assembly Without Disassembling Clamp (40mm)
Midline Valve Swing Check Valve, Backflow Prevention, Lead-Free, 1/2 in. Sweat Connections, Cast Brass From $11.42
9 options
Available in additional 9 optionsFrom$1142
Midline Valve Swing Check Valve, Backflow Prevention, Lead-Free, 1/2 in. Sweat Connections, Cast Brass
Clearance WINDLAND Silents Check Valves with Clamps Sump Pump Check Valves for Backflow Prevention Was $27.13
WINDLAND Silents Check Valves with Clamps Sump Pump Check Valves for Backflow Prevention
1Pcs Brass Check Valve 1 Inch, Backflow Preventer,1” IG TO AG Return Valve, Rustproof and Watertight,For Water Pipes,Pumps,Gardens,Barrels,Washing Machines
2 options
Available in additional 2 options1Pcs Brass Check Valve 1 Inch, Backflow Preventer,1” IG TO AG Return Valve, Rustproof and Watertight,For Water Pipes,Pumps,Gardens,Barrels,Washing Machines
YAHHU 2PCS 10mm / 0.4 inches Plastic Check Valve Non Return One Way Valve for Gas Liquid Fluid System Parts Backflow Preventer Inline Replacement[cite: 1] $7.93
![YAHHU 2PCS 10mm / 0.4 inches Plastic Check Valve Non Return One Way Valve for Gas Liquid Fluid System Parts Backflow Preventer Inline Replacement[cite: 1]](https://i5.walmartimages.com/seo/YAHHU-2PCS-10mm-0-4-inches-Plastic-Check-Valve-Non-Return-One-Way-Valve-Gas-Liquid-Fluid-System-Parts-Backflow-Preventer-Inline-Replacement-cite-1_2a2e3b5f-01c4-4971-8130-24ea92e4a856.5326dceb34df08fc91b463b3e4429bbb.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$793
current price $7.93YAHHU 2PCS 10mm / 0.4 inches Plastic Check Valve Non Return One Way Valve for Gas Liquid Fluid System Parts Backflow Preventer Inline Replacement[cite: 1]
IPW Industries Inc. | SMC 6850090 Inline Poppet Backflow Preventer Check Valve for Home Improvement, Water Pump System, Kitchen Plumbing & Irrigation $22.00
$2200
current price $22.00IPW Industries Inc. | SMC 6850090 Inline Poppet Backflow Preventer Check Valve for Home Improvement, Water Pump System, Kitchen Plumbing & Irrigation
The Bosworth Co., Foot/Check Valve for Guzzler 400, 1-1/8", MPN 74-9 $23.20
Sponsored
$2320
current price $23.20The Bosworth Co., Foot/Check Valve for Guzzler 400, 1-1/8", MPN 74-9
The Bosworth Co., Foot/Check Valve for Guzzler 400, Barbed, 3/4" $27.40
Sponsored
$2740
current price $27.40The Bosworth Co., Foot/Check Valve for Guzzler 400, Barbed, 3/4"
TOP-MAX 3/4" (20mm)-G1/2" Female Or Male Thread Backflow Prevention Valve One-Way Backflow Prevention Hose Valve From $7.13
5 options
Available in additional 5 optionsFrom$713
TOP-MAX 3/4" (20mm)-G1/2" Female Or Male Thread Backflow Prevention Valve One-Way Backflow Prevention Hose Valve
Heavy Duty Brass Motorhomes Backflow Preventer Valves Suitable for Secure & Leakfree Black Tanks Flushing 571-VAC-CHK-A
Heavy Duty Brass Motorhomes Backflow Preventer Valves Suitable for Secure & Leakfree Black Tanks Flushing 571-VAC-CHK-A
Legend Valve 115-104NL Dual Check Backflow Preventer Valve 3/4 in FNPT $68.18
$6818
current price $68.18Legend Valve 115-104NL Dual Check Backflow Preventer Valve 3/4 in FNPT
YAHHU Golden Brass One Way Female Thread Swing Check Valve DN15 Heavy Duty Water Backflow Preventer Pipe Fitting, 1.97 inches / 5 cm Length, Corrosion Resistant Check Valve Parts for Plumbing $10.89
$1089
current price $10.89YAHHU Golden Brass One Way Female Thread Swing Check Valve DN15 Heavy Duty Water Backflow Preventer Pipe Fitting, 1.97 inches / 5 cm Length, Corrosion Resistant Check Valve Parts for Plumbing
Apollo Valves Backflow Valve,Forged Brass,1/2" Size 4ALF4A33AM $94.32
$9432
current price $94.32Apollo Valves Backflow Valve,Forged Brass,1/2" Size 4ALF4A33AM
PVC Ventilation Backflow Preventer Valves Ventilation Pipe Round Check Valves Plastic Inline Backdrafts Damper Enduring From $8.92
From$892
PVC Ventilation Backflow Preventer Valves Ventilation Pipe Round Check Valves Plastic Inline Backdrafts Damper Enduring
deevoka PVC Drainage Pipe Floor Drain Backflow Preventer Valve for Plumbing Fixtures XL
deevoka PVC Drainage Pipe Floor Drain Backflow Preventer Valve for Plumbing Fixtures XL
Dreamhall Pvc Check Valve Backflow Prevention Valve Backflow Water Valve Prevent Backflow,B From $22.55
2 options
Available in additional 2 optionsFrom$2255
Dreamhall Pvc Check Valve Backflow Prevention Valve Backflow Water Valve Prevent Backflow,B
High Efficiency Air Conditioning Drain Valves Leakproof Design Easy Installation Backflow Prevention Valves for Repair
High Efficiency Air Conditioning Drain Valves Leakproof Design Easy Installation Backflow Prevention Valves for Repair
check valve,sump pump check valve,backflow preventer 1.5 inch
check valve,sump pump check valve,backflow preventer 1.5 inch
Osdhezcn Sturdy Air Conditioning Drainage Valves Backflow Prevention PVC Stainless Steel Texture Suitable for Cooling Systems
Osdhezcn Sturdy Air Conditioning Drainage Valves Backflow Prevention PVC Stainless Steel Texture Suitable for Cooling Systems
Heavy Duty Brass Water Heater Valves Steel Backflow Preventer Pressure Reducing Device for Residential Commercial Use $8.43
$843
current price $8.43Heavy Duty Brass Water Heater Valves Steel Backflow Preventer Pressure Reducing Device for Residential Commercial Use
2PCS 1/2 Inch Brass Backflow Preventer Valves Strong Corrosion Resistant Pipe Fitting Easy to Use for Water Systems From $9.44
2 options
Available in additional 2 optionsFrom$944
2PCS 1/2 Inch Brass Backflow Preventer Valves Strong Corrosion Resistant Pipe Fitting Easy to Use for Water Systems
Midline Valve Swing Check Valve, Backflow Prevention, Lead-Free, 1 in. FIP Connections, Cast Brass From $15.71
9 options
Available in additional 9 optionsFrom$1571
Midline Valve Swing Check Valve, Backflow Prevention, Lead-Free, 1 in. FIP Connections, Cast Brass
Lypsnake Quiet Sump Pump Check Valve, 1.5"Transparent Silent Check Valve with Couplings, Spring-Loaded Backflow Preventer with Stainless Steel Clamps for Sump Pump Drainage Systems From $14.97
From$1497
Lypsnake Quiet Sump Pump Check Valve, 1.5"Transparent Silent Check Valve with Couplings, Spring-Loaded Backflow Preventer with Stainless Steel Clamps for Sump Pump Drainage Systems
YSNOOWE Anti Backflow Check Valve Non Return Valves Brass for Industrial Applications 1Pack $12.03
$1203
current price $12.03YSNOOWE Anti Backflow Check Valve Non Return Valves Brass for Industrial Applications 1Pack
WEAVILUX Stainless Steel Check Valve Backflow Preventer for Home Exhaust Systems, and Easy to Install $14.48
$1448
current price $14.48WEAVILUX Stainless Steel Check Valve Backflow Preventer for Home Exhaust Systems, and Easy to Install
AC Drainage Valves PVC Stainless Steel Backflow Prevention, Leakproof Design for Residential/Commercial Cooling Systems From $9.16
From$916
AC Drainage Valves PVC Stainless Steel Backflow Prevention, Leakproof Design for Residential/Commercial Cooling Systems
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