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Backflow Valve(501)
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
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
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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
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DANSPEED 2" inch Stainless Steel Vertical Check Valve NPT Spring Loaded In-line From $12.49
Sponsored
From$1249
DANSPEED 2" inch Stainless Steel Vertical Check Valve NPT Spring Loaded In-line
25 out of 5 Stars. 2 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
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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
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
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
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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
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
84.4 out of 5 Stars. 8 reviews
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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
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
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]
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
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
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
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
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
Riousery Quiet Sump Pump Check Valve Clear Silent 2-Inch (5.08 cm) PVC Pipe Backflow Preventer with Spring Loaded Flapper $32.28
$3228
current price $32.28Riousery Quiet Sump Pump Check Valve Clear Silent 2-Inch (5.08 cm) PVC Pipe Backflow Preventer with Spring Loaded Flapper
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
Groco CV Bronze In-Line Check Valve $30.70
Sponsored
$3070
current price $30.70Groco CV Bronze In-Line Check Valve
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
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)
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]
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
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
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
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3/8" Inline Backflow Preventer, Air Check Valve, Easy to Install, Plastic High Adsorption Properties for Fuel Gas Liquid - $11.76
$1176
current price $11.763/8" Inline Backflow Preventer, Air Check Valve, Easy to Install, Plastic High Adsorption Properties for Fuel Gas Liquid -
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
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"
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
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
Geemin 3/4 Inch Brass Horizontal Design Valves One Direction Flows Valves for Water Tanks Resistant Brass Check Valves 3/4 Inch Backflow Preventer Valves for Home $15.73
$1573
current price $15.73Geemin 3/4 Inch Brass Horizontal Design Valves One Direction Flows Valves for Water Tanks Resistant Brass Check Valves 3/4 Inch Backflow Preventer Valves for Home
Oatey 4 in. PVC DWV Backwater Valve Residential Use, Standard Application $42.18
$4218
current price $42.18Oatey 4 in. PVC DWV Backwater Valve Residential Use, Standard Application
25 out of 5 Stars. 2 reviews
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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
Silent Sump Pump Check Valve, Spring-Loaded Quiet Backflow Prevention With Transparent Body and Durable Clamps, Reliable Water Flow Control for Basement Bathroom Laundry Rooms From $31.03
From$3103
Silent Sump Pump Check Valve, Spring-Loaded Quiet Backflow Prevention With Transparent Body and Durable Clamps, Reliable Water Flow Control for Basement Bathroom Laundry Rooms
Midline Valve PVC Inline Check Valve for Backflow Prevention; 1/2'' FIP; White Plastic From $8.87
6 options
Available in additional 6 optionsFrom$887
Midline Valve PVC Inline Check Valve for Backflow Prevention; 1/2'' FIP; White Plastic
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Efficient Water Backflow Prevention Multifunction Check Valves 3 8 3 4 Threaded Check Valves Secure for Plumbing
Efficient Water Backflow Prevention Multifunction Check Valves 3 8 3 4 Threaded Check Valves Secure for Plumbing
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
Drain Backflow Preventer for Shower Floor - One Way Drain Valves Sewer Core - Floor Drain Check Valves with Odor Trap for Kitchen, Bathroom, Garage, Basement - Easy Install Metal and PC - 1 Pack From $5.44
From$544
Drain Backflow Preventer for Shower Floor - One Way Drain Valves Sewer Core - Floor Drain Check Valves with Odor Trap for Kitchen, Bathroom, Garage, Basement - Easy Install Metal and PC - 1 Pack
Plumbing Backwater Valve 3 Inch, PVC Backflow Preventer, Sewer Drain Check Valve, White - Leak Proof Protection for Home & Business $42.49
$4249
current price $42.49Plumbing Backwater Valve 3 Inch, PVC Backflow Preventer, Sewer Drain Check Valve, White - Leak Proof Protection for Home & Business
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
1PCS Brass Check Valve Female And Male Thread Backflow Prevention Check Valves 1/2" 3/4" 1" For Pipeline Connections From $12.32
3 options
Available in additional 3 optionsFrom$1232
1PCS Brass Check Valve Female And Male Thread Backflow Prevention Check Valves 1/2" 3/4" 1" For Pipeline Connections
Sturdy Air Conditioning Drainage Valves Backflow Prevention PVC Stainless Steel Texture Suitable for Cooling Systems $9.27
$927
current price $9.27Sturdy Air Conditioning Drainage Valves Backflow Prevention PVC Stainless Steel Texture Suitable for Cooling Systems
SharkTRUE Stainless Steel Check Valve, 1.42 Inch Diameter, Corrosion Resistant Liquid Backflow Preventer for Various Media $7.59
$759
current price $7.59SharkTRUE Stainless Steel Check Valve, 1.42 Inch Diameter, Corrosion Resistant Liquid Backflow Preventer for Various Media
High Efficiency Air Conditioning Drain Valves Leakproof Design Easy Installation Backflow Prevention Valves for Repair From $8.97
From$897
High Efficiency Air Conditioning Drain Valves Leakproof Design Easy Installation Backflow Prevention Valves for Repair
Midline Valve Inline Spring Loaded Check Valve, Backflow Prevention, Lead-Free, 3/4 in. FIP Connections, Cast Brass From $11.59
4 options
Available in additional 4 optionsFrom$1159
Midline Valve Inline Spring Loaded Check Valve, Backflow Prevention, Lead-Free, 3/4 in. FIP Connections, Cast Brass
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Leak Proof Brass Check Valves Plumbing Safety Component Stable Backflow Prevention Check Valves for Water Gasolines Lines $8.74
$874
current price $8.74Leak Proof Brass Check Valves Plumbing Safety Component Stable Backflow Prevention Check Valves for Water Gasolines Lines
Heavy Duty Brass Inline Check Valves with Horizontal Spring Designs Backflow Preventer Prevent for Pumps Systems & Tanks $12.84
$1284
current price $12.84Heavy Duty Brass Inline Check Valves with Horizontal Spring Designs Backflow Preventer Prevent for Pumps Systems & Tanks
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