Check Backflow Preventer(379)
Uses item details. Price when purchased online
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211 $11.09 Was $12.60

Sponsored
Now$1109
current price Now $11.09, Was $12.60$12.60
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211
Reduced price Bonnet Poppet Repair kit fit for FEBCO 765-1 Replacement Part# 905-212 1" & 1-1/4" Backflow Preventer and Vacuum Breaker Part 905212 for FEBCO 765 1" & 1 1/4" Vacuum Valve $13.59 Was $19.99

Sponsored
Now$1359
current price Now $13.59, Was $19.99$19.99
Bonnet Poppet Repair kit fit for FEBCO 765-1 Replacement Part# 905-212 1" & 1-1/4" Backflow Preventer and Vacuum Breaker Part 905212 for FEBCO 765 1" & 1 1/4" Vacuum Valve
Save with
DANSPEED 3/4" Stainless Steel SS316 Swing Check Valve,NPT Female Thread,WOG 200 PSI PN16 CF8M From $15.99

Sponsored
From$1599
DANSPEED 3/4" Stainless Steel SS316 Swing Check Valve,NPT Female Thread,WOG 200 PSI PN16 CF8M
Best seller 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
Save with
Dual Check Backflow Preventer,3/8 in 4C10202A $141.19

$14119
current price $141.19Dual Check Backflow Preventer,3/8 in 4C10202A
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
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211 $11.09 Was $12.60

Now$1109
current price Now $11.09, Was $12.60$12.60
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211
Riousery Quiet Sump Pump Check Valve Clear Silent 2-Inch (5.08 cm) PVC Pipe Backflow Preventer with Spring Loaded Flapper $34.04

$3404
current price $34.04Riousery Quiet Sump Pump Check Valve Clear Silent 2-Inch (5.08 cm) PVC Pipe Backflow Preventer with Spring Loaded Flapper
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
Mueller/B & K 108-904RP Backflow Preventer-Vacuum Breaker From $10.74
From$1074
Mueller/B & K 108-904RP Backflow Preventer-Vacuum Breaker
224.4 out of 5 Stars. 22 reviews
DANSPEED 3/4" inch Stainless Steel Vertical Check Valve NPT Spring Loaded In-line From $12.49

Sponsored
From$1249
DANSPEED 3/4" inch Stainless Steel Vertical Check Valve NPT Spring Loaded In-line
25 out of 5 Stars. 2 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
114.9 out of 5 Stars. 11 reviews
Save with
2 Pack Brass Check Valve 1/2 Inch Male To Male Thread One Way Non Return Backflow Preventer $9.99

$999
current price $9.992 Pack Brass Check Valve 1/2 Inch Male To Male Thread One Way Non Return Backflow Preventer
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
FRKSMD-2-Pack 3/4 Inch GHT Backflow Preventer for Garden Hose, Brass Vacuum Breaker Outside Faucet, Anti-Siphon Valve Hose Bib, Garden Hose Check Valve, RV Vacuum Breaker Valve with Tape $16.70 Was $26.98

Now$1670
current price Now $16.70, Was $26.98$26.98
FRKSMD-2-Pack 3/4 Inch GHT Backflow Preventer for Garden Hose, Brass Vacuum Breaker Outside Faucet, Anti-Siphon Valve Hose Bib, Garden Hose Check Valve, RV Vacuum Breaker Valve with Tape
check valve,sump pump check valve,backflow preventer 1.5 inch

check valve,sump pump check valve,backflow preventer 1.5 inch
Heavy Duty 3/4 Thread Brass Check Spring Loaded Backflow Preventer Systems $13.99

$1399
current price $13.99Heavy Duty 3/4 Thread Brass Check Spring Loaded Backflow Preventer Systems
Clearance Drain Backflow Preventer Core Insert, One Way Anti-Odor Sewer Valve Plug for Shower Floor Bathroom Kitchen, ABS Check Valve Insect-Proof Water Seal Trap Replacement Part $3.58 Was $3.99

Now$358
current price Now $3.58, Was $3.99$3.99
Drain Backflow Preventer Core Insert, One Way Anti-Odor Sewer Valve Plug for Shower Floor Bathroom Kitchen, ABS Check Valve Insect-Proof Water Seal Trap Replacement Part
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
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"
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
T&S Brass - Dual Check Valve Backflow Preventer, 1/2 $164.62

$16462
current price $164.62T&S Brass - Dual Check Valve Backflow Preventer, 1/2
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
15 out of 5 Stars. 1 reviews
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
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
304 Stainless Steel Npt Check Valve 1/4" 3/8" 1/2" Non-Return Backflow Preventer For Industrial Plumbing Hydraulic Systems -60F To 450F Npt3/8 From $9.99

2 options
Available in additional 2 optionsFrom$999
304 Stainless Steel Npt Check Valve 1/4" 3/8" 1/2" Non-Return Backflow Preventer For Industrial Plumbing Hydraulic Systems -60F To 450F Npt3/8
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
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 $26.57

$2657
current price $26.57YAHHU JC80 Cast Iron One-Way Check Valve 3/4 in / 1.9 cm for Air Compressors, Heavy Duty Return Valve for Liquid Backflow Prevention
Uxcell 1-Pack Air Check Valve, 1/2" Nickel Plating Copper One Way Non Return Air Valve for Gas/Oil/Water Connection $13.99

Sponsored
$1399
current price $13.99Uxcell 1-Pack Air Check Valve, 1/2" Nickel Plating Copper One Way Non Return Air Valve for Gas/Oil/Water Connection
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
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] $8.18
![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)
$818
current price $8.18YAHHU 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]
Inline Check Valve, Solvent Connections Stainless Steel Spring Loaded Backflow Preventer, Quick Assembly Without Disassembling Clamp (40mm) $21.99

$2199
current price $21.99Inline Check Valve, Solvent Connections Stainless Steel Spring Loaded Backflow Preventer, Quick Assembly Without Disassembling Clamp (40mm)
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 -
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
Save with
Versatile Brass Check Valves Long Lasting 1" Brass Check Backflow Preventer 1inch for Fountain Suction Hose Washing $15.67

$1567
current price $15.67Versatile Brass Check Valves Long Lasting 1" Brass Check Backflow Preventer 1inch for Fountain Suction Hose Washing
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
Uxcell 1-Pack Brass Check Valve, 1/2" Male to 1/2" Female Thread One Way Non-Return Backflow Preventer Valve [Gold] $9.19
![Uxcell 1-Pack Brass Check Valve, 1/2" Male to 1/2" Female Thread One Way Non-Return Backflow Preventer Valve [Gold]](https://i5.walmartimages.com/seo/Uxcell-1-Pack-Brass-Check-Valve-1-2-Male-to-1-2-Female-Thread-One-Way-Non-Return-Backflow-Preventer-Valve-Gold_83fe34bf-eba7-4c21-9a93-c05915fbd5cd.53d30ed4ed5772e2e682caf9e2bf6243.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$919
current price $9.19Uxcell 1-Pack Brass Check Valve, 1/2" Male to 1/2" Female Thread One Way Non-Return Backflow Preventer Valve [Gold]
Midline Valve Inline Spring Loaded Check Valve, Backflow Prevention, Led-Free, 1-1/4 in. Press Connections, Cast Brass From $133.00

3 options
Available in additional 3 optionsFrom$13300
Midline Valve Inline Spring Loaded Check Valve, Backflow Prevention, Led-Free, 1-1/4 in. Press Connections, Cast Brass
Save with
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
Versatile Brass Check Valves Long Lasting 1" Brass Check Backflow Preventer 1inch for Fountain Suction Hose Washing $16.38

$1638
current price $16.38Versatile Brass Check Valves Long Lasting 1" Brass Check Backflow Preventer 1inch for Fountain Suction Hose Washing
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
PVC Exhaust Check Valves Air Duct Check Ventilation Device Backflow Preventer Ventilation Pipe Round Check Valves From $7.61
From$761
PVC Exhaust Check Valves Air Duct Check Ventilation Device Backflow Preventer Ventilation Pipe Round Check Valves
kowaku Checks Valve with Quick Exhaust, Professional, Replace, Accessory, Ventilation, Exhaust Vent Checks Valve, Backflow Preventer For Bathroom $31.90

$3190
current price $31.90kowaku Checks Valve with Quick Exhaust, Professional, Replace, Accessory, Ventilation, Exhaust Vent Checks Valve, Backflow Preventer For Bathroom
Plumbing Backwater Valve 3 Inch, PVC Backflow Preventer, Sewer Drain Check Valve, White - Leak Proof Protection for Home & Business $44.90

$4490
current price $44.90Plumbing Backwater Valve 3 Inch, PVC Backflow Preventer, Sewer Drain Check Valve, White - Leak Proof Protection for Home & Business
Rollback Uxcell 1-Pack Brass Check Valve, 1/2" Female to 1/2" Male Thread One Way Non-Return Backflow Preventer Valve [Silver] $9.19 Was $10.34
![Uxcell 1-Pack Brass Check Valve, 1/2" Female to 1/2" Male Thread One Way Non-Return Backflow Preventer Valve [Silver]](https://i5.walmartimages.com/seo/Uxcell-1-Pack-Brass-Check-Valve-1-2-Female-to-1-2-Male-Thread-One-Way-Non-Return-Backflow-Preventer-Valve-Silver_899fc2d3-0ae9-4b14-9bc8-316b1d8fcaf7.bb1b0552e5a066fa9c5d85cc147f6ceb.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Now$919
current price Now $9.19, Was $10.34$10.34
Uxcell 1-Pack Brass Check Valve, 1/2" Female to 1/2" Male Thread One Way Non-Return Backflow Preventer Valve [Silver]
3/4 Thread, 150 psi WOG Rating, Brass Dual Check Backflow Preventer Valve $80.12

$8012
current price $80.123/4 Thread, 150 psi WOG Rating, Brass Dual Check Backflow Preventer Valve
kowaku Checks Valve with Quick Exhaust, Professional, Replace, Accessory, Ventilation, Exhaust Vent Checks Valve, Backflow Preventer For Kitchen $36.83

$3683
current price $36.83kowaku Checks Valve with Quick Exhaust, Professional, Replace, Accessory, Ventilation, Exhaust Vent Checks Valve, Backflow Preventer For Kitchen
Other options to consider(28)
Popular in Check Backflow Preventer
Related Products
304 Stainless Steel Npt Check Valve 1/4" 3/8" 1/2" Non-Return Backflow Preventer For Industrial Plumbing Hydraulic Systems -60F To 450F Npt3/8
304 Stainless Steel Npt Check Valve 1/4" 3/8" 1/2" Non-Return Backflow Preventer For Industrial Plumbing Hydraulic Systems -60F To 450F Npt3/8$9.99current price $9.99Uxcell 3-Pack One Way Check Valve, 1/8" Barb Hose Non Return Plastic Ozone Resistance Check Valve 1.23" [Clear]
Uxcell 3-Pack One Way Check Valve, 1/8" Barb Hose Non Return Plastic Ozone Resistance Check Valve 1.23" [Clear]$11.49current price $11.49PVC Fan Check Valve For Bathroom Kitchen Valve Round Pipe Backdraft Damper
PVC Fan Check Valve For Bathroom Kitchen Valve Round Pipe Backdraft Damper$6.29current price $6.29T&S Brass 016419-25 3/8-Inch Compression Check Valve Assembly
T&S Brass 016419-25 3/8-Inch Compression Check Valve Assembly$33.71current price $33.71Gf Piping Systems 2" Spigot PVC Y Check Valve 192304011
Gf Piping Systems 2" Spigot PVC Y Check Valve 192304011$302.05current price $302.05Flo Control 1700-15 PVC True Union Spring Check Valve, 1-1/2"
Flo Control 1700-15 PVC True Union Spring Check Valve, 1-1/2"$53.73current price $53.73Spears Gate Valve,1 1/2",PVC,IPS 2011-015
Spears Gate Valve,1 1/2",PVC,IPS 2011-015$165.65current price $165.65Parker 0R37B 0R37B 3/8" Quick-Exhaust Valve, Maximum Working Pressure: 200psi
Parker 0R37B 0R37B 3/8" Quick-Exhaust Valve, Maximum Working Pressure: 200psi$53.00current price $53.00Parker Check Valve, 3 3/4 in L, Copper CV4P-6FS-6FS
Parker Check Valve, 3 3/4 in L, Copper CV4P-6FS-6FS$26.72current price $26.72Viega 3/4" X 3/4" Press Low Lead Bronze Spring Check Valve 79040
Viega 3/4" X 3/4" Press Low Lead Bronze Spring Check Valve 79040$38.81current price $38.81T&S Brass B-CVH1-2 Check Valve, 1/2-Inch Npt Female, Horizontal
T&S Brass B-CVH1-2 Check Valve, 1/2-Inch Npt Female, Horizontal$68.32current price $68.32Ham-Let 3/8" Compr Stainless Steel Ball Valve Inline H-700-SS-L-3/8-T-LD
Ham-Let 3/8" Compr Stainless Steel Ball Valve Inline H-700-SS-L-3/8-T-LD$201.15current price $201.15Banjo Check Valve,4.78125 in Overall L MCV221
Banjo Check Valve,4.78125 in Overall L MCV221$42.77current price $42.77





















