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FaucetsMore Top BrandsSafety Equipment and GearAir ToolsAll Tool SetsAmerican StandardBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBLACK+DECKERBrackets and Angle IronsBreakers, Distributors, and Load CentersCar Emergency SuppliesDoor HardwareDoor Security HardwareElectric MotorsElectrical ToolsEmergency SuppliesEvaporative Coolers and PartsFastenersFurniture HardwareGarage Storage SystemsGuttering & DrainageHand ToolsHome SafetyHVAC Ducting and VentilationKitchen Fixtures and MaterialsKitchen HardwareKitchen PlumbingLight BulbsMechanics ToolsOutletsPaint PrimersPersonal PreparednessPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPro ToolsSafety DetectorsShop Plumbing BrandsShop Plumbing by FixtureSolderingStorm & Flood PrepTestersThermostatsToilets and BidetsTool Equipment & StorageTOTOValves & Valve RepairWater Filtration & Water SoftenersWater HeatersWater Heaters, Pumps & TanksWeldersWelding & Cutting AccessoriesWinter Prep
Check Valve(1000+)
Uses item details. Price when purchased online
Best seller Aiqeek RV City Water Fill Inlet – Flange Brass with Check Valve | for Camper, Trailer, Marine (with Hose Elbow) $15.99
Sponsored
$1599
current price $15.99Aiqeek RV City Water Fill Inlet – Flange Brass with Check Valve | for Camper, Trailer, Marine (with Hose Elbow)
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SC-3 Heavy Duty Air Supply Check Valve - Replaces 800370, Velvac 034045, Tectran 14484, Bendix 227703, 227704, 276165, PAI 40570, 5003522, 5003978, Automann 745800370, Meritor RKN23060 $36.99
Sponsored
$3699
current price $36.99SC-3 Heavy Duty Air Supply Check Valve - Replaces 800370, Velvac 034045, Tectran 14484, Bendix 227703, 227704, 276165, PAI 40570, 5003522, 5003978, Automann 745800370, Meritor RKN23060
SC-2 Heavy Duty Single Check Valve - Air Supply Check Valve Replaces KN-23010, Velvac 0320014, Haldex 10200-38, Sealco 1020038, Navistar 1676-698-C, 167698C, Bendix 227870, 227856 $26.99
Sponsored
$2699
current price $26.99SC-2 Heavy Duty Single Check Valve - Air Supply Check Valve Replaces KN-23010, Velvac 0320014, Haldex 10200-38, Sealco 1020038, Navistar 1676-698-C, 167698C, Bendix 227870, 227856
Heavy Duty Single Check Valve - Air Supply Check Valve Replaces KN-23040, MCI 04-22-6002, OE Aftermarket 0587-23040P, 119373, Tectran 14547, Velvac 320003, PAI 40680, Wabco 9341990040 $27.99
Sponsored
$2799
current price $27.99Heavy Duty Single Check Valve - Air Supply Check Valve Replaces KN-23040, MCI 04-22-6002, OE Aftermarket 0587-23040P, 119373, Tectran 14547, Velvac 320003, PAI 40680, Wabco 9341990040
Quaqdae 8 Pcs 1/4Inch Check Valve 6mm PVDF One Way Valve Inline Check Valve Non Return Check Valve for Gas Liquid Air $10.13
$1013
current price $10.13Quaqdae 8 Pcs 1/4Inch Check Valve 6mm PVDF One Way Valve Inline Check Valve Non Return Check Valve for Gas Liquid Air
Merrill Mfg CVNL100 No Lead Brass Check Valve for Well, 1", 700 Series $20.00
$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
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Drainage Industries 1-1/2" Check Valve $8.68
$868
current price $8.68Drainage Industries 1-1/2" Check Valve
15 out of 5 Stars. 1 reviews
B & K 101-607 PVC Check Valve, 1-1/2" $18.59 Was $23.84
Now$1859
current price Now $18.59, Was $23.84$23.84
B & K 101-607 PVC Check Valve, 1-1/2"
15 out of 5 Stars. 1 reviews
RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211 $12.60
$1260
current price $12.60RV Camper 1/2 Inch Thread Plastic Check Valve Backflow Preventer Black PN 94211
3" Outer Thread Black Brass Water Filler Valve, Check Valve Suitable for RV and Boat Water Inlet Accessory $12.99
$1299
current price $12.993" Outer Thread Black Brass Water Filler Valve, Check Valve Suitable for RV and Boat Water Inlet Accessory
44.5 out of 5 Stars. 4 reviews
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DC-4 Heavy Duty Air Brake Double Check Valve - Replaces 280809, 3081430, Bendix 109227, Tectran 14566, Automann 170280809, Bendix 287626, 287627, Navistar 422950C, PAI EM40710 $28.99
Sponsored
$2899
current price $28.99DC-4 Heavy Duty Air Brake Double Check Valve - Replaces 280809, 3081430, Bendix 109227, Tectran 14566, Automann 170280809, Bendix 287626, 287627, Navistar 422950C, PAI EM40710
DC-4 Heavy Duty Air Brake Double Check Valve - Replaces 278596, Tectran 14553, TV2788596, Navistar 1676718C, 1676718C1, 606182C, Mack 745-278596, $35.99
Sponsored
$3599
current price $35.99DC-4 Heavy Duty Air Brake Double Check Valve - Replaces 278596, Tectran 14553, TV2788596, Navistar 1676718C, 1676718C1, 606182C, Mack 745-278596,
Tebru 3/4 Female Thread In-line Spring Check Valve Stainless Steel Vertical Valve WOG 1000 , Spring Check Valve, Vertical Check Valve $10.00
$1000
current price $10.00Tebru 3/4 Female Thread In-line Spring Check Valve Stainless Steel Vertical Valve WOG 1000 , Spring Check Valve, Vertical Check Valve
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Drainage Industries Sump Pump Check Valve 2260/150DRS - Durable, Rubber Couplings - 1-1/2 In. $15.00
$1500
current price $15.00Drainage Industries Sump Pump Check Valve 2260/150DRS - Durable, Rubber Couplings - 1-1/2 In.
45 out of 5 Stars. 4 reviews
YAHHU 5 Pcs Plastic Check Valve Non Return One Way Valve for Water Treatment 6mm / 0.23 inches Translucent
2 options
Available in additional 2 optionsYAHHU 5 Pcs Plastic Check Valve Non Return One Way Valve for Water Treatment 6mm / 0.23 inches Translucent
Upgraded Brass RV Vacuum Breaker Check Valve, 571-VAC-CHK-A Camper Trailer Flusher Check Valve fit for b&b Model 571 Check valve Replace Leaking Vacuum Breaker on Black Tank System 1/2 DN Male $28.69
$2869
current price $28.69Upgraded Brass RV Vacuum Breaker Check Valve, 571-VAC-CHK-A Camper Trailer Flusher Check Valve fit for b&b Model 571 Check valve Replace Leaking Vacuum Breaker on Black Tank System 1/2 DN Male
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Magic Plastics CR2 Corrosion Resistant Check Valve, 2" - 0801-20H2 $59.99
$5999
current price $59.99Magic Plastics CR2 Corrosion Resistant Check Valve, 2" - 0801-20H2
15 out of 5 Stars. 1 reviews
Mueller 101-608 Pvc Check Valve, 2" Residential Use, Standard Application $19.28 Was $34.00
Now$1928
current price Now $19.28, Was $34.00$34.00
Mueller 101-608 Pvc Check Valve, 2" Residential Use, Standard Application
SEAFLO RV/Marine PVC Waste Check Valve 2 $15.99
$1599
current price $15.99SEAFLO RV/Marine PVC Waste Check Valve 2
Inline Check Valve One Way Non Return Check Valve,1/8 3/16 1/4 5/16 One Way Non Return Inline Check Valve For Fuel Gas Liquid Air B $6.04
$604
current price $6.04Inline Check Valve One Way Non Return Check Valve,1/8 3/16 1/4 5/16 One Way Non Return Inline Check Valve For Fuel Gas Liquid Air B
SC-2 Heavy Duty Single Check Valve - Air Brake Reservoir Check Valve Replaces KN-23000, Velvac 0320001, Sealco 1020012, OE Aftermarket 117005, Haldex 14203, Navistar 1676-699-C $24.99
Sponsored
$2499
current price $24.99SC-2 Heavy Duty Single Check Valve - Air Brake Reservoir Check Valve Replaces KN-23000, Velvac 0320001, Sealco 1020012, OE Aftermarket 117005, Haldex 14203, Navistar 1676-699-C
DC-4 Heavy Duty Air Brake Double Check Valve - Replaces 278614, 72404-0001, 641564, Velvac 030031, 034062, Perkins 12267073, PAI EM40670, Haldex KN25060, $27.99
Sponsored
$2799
current price $27.99DC-4 Heavy Duty Air Brake Double Check Valve - Replaces 278614, 72404-0001, 641564, Velvac 030031, 034062, Perkins 12267073, PAI EM40670, Haldex KN25060,
NDS 1001-15 Check Valve, 1-1/2 in, FPT, 200 psi Pressure, PVC Body $16.81 Was $43.29
Now$1681
current price Now $16.81, Was $43.29$43.29
NDS 1001-15 Check Valve, 1-1/2 in, FPT, 200 psi Pressure, PVC Body
Uxcell 3/8" Fuel Check Valve, Non-Return Inline One Way Check Valve, Silver $8.89
$889
current price $8.89Uxcell 3/8" Fuel Check Valve, Non-Return Inline One Way Check Valve, Silver
15 out of 5 Stars. 1 reviews
SharkBite/Cash Acme SharkBite Push-to-Connect Brass Check Valve From $23.84
4 options
Available in additional 4 optionsFrom$2384
SharkBite/Cash Acme SharkBite Push-to-Connect Brass Check Valve
15 out of 5 Stars. 1 reviews
Superior Pump 99507 Check Valve, 1-1/4 or 1-1/2 in, Mpt x Barb or Slip, Plastic, Thermoplastic $14.47 Was $17.34
Now$1447
current price Now $14.47, Was $17.34$17.34
Superior Pump 99507 Check Valve, 1-1/4 or 1-1/2 in, Mpt x Barb or Slip, Plastic, Thermoplastic
Symkmb Check Valve 3/4 Inch True Union Check Valve Transparent Blue UPVC Check Valve Pipeline Check Valve One-Way Valve PVC $13.29 Was $20.29
Now$1329
current price Now $13.29, Was $20.29$20.29
Symkmb Check Valve 3/4 Inch True Union Check Valve Transparent Blue UPVC Check Valve Pipeline Check Valve One-Way Valve PVC
11 out of 5 Stars. 1 reviews
304 Stainless Steel Swing Check Valve 1/2" NPT In-line WOG200 Low Cracking Pressure From $24.26
6 options
Available in additional 6 optionsFrom$2426
304 Stainless Steel Swing Check Valve 1/2" NPT In-line WOG200 Low Cracking Pressure
Zoeller 30-0238 Inline Check Valve, Small, Black $26.22
$2622
current price $26.22Zoeller 30-0238 Inline Check Valve, Small, Black
15 out of 5 Stars. 1 reviews
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Prinsco, Inc 1-1/2 In. ABS In-Line Sump Pump Check Valve - Durable - 1 Each $23.36
$2336
current price $23.36Prinsco, Inc 1-1/2 In. ABS In-Line Sump Pump Check Valve - Durable - 1 Each
25 out of 5 Stars. 2 reviews
DC-4 Air Brake Double Check Valve - Replaces 278615, OE Aftermarket 0587-278615P, Tectran 14558, Navistar 1676719C, Bendix 275858, 285543, 288334, $27.99
Sponsored
$2799
current price $27.99DC-4 Air Brake Double Check Valve - Replaces 278615, OE Aftermarket 0587-278615P, Tectran 14558, Navistar 1676719C, Bendix 275858, 285543, 288334,
SC-3 Heavy Duty Air Supply Check Valve - Single Check Valve Replaces 800376, 3948974, Bendix 104327, FRT 12-14212-000, Tectran 14485, PAI 40690, $25.99
Sponsored
$2599
current price $25.99SC-3 Heavy Duty Air Supply Check Valve - Single Check Valve Replaces 800376, 3948974, Bendix 104327, FRT 12-14212-000, Tectran 14485, PAI 40690,
Uxcell One Way Non Return Check Valves for Water Fuel Gas Liquid Air Plastic White 1pcs $9.49
$949
current price $9.49Uxcell One Way Non Return Check Valves for Water Fuel Gas Liquid Air Plastic White 1pcs
15 out of 5 Stars. 1 reviews
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SharkBite U2008-0000LFA 1/2 inch x 1/2 inch Brass Check Valve, Push-to-Connect, Copper, PEX, CPVC $23.84
$2384
current price $23.84SharkBite U2008-0000LFA 1/2 inch x 1/2 inch Brass Check Valve, Push-to-Connect, Copper, PEX, CPVC
DANSPEED 1/2" Stainless Steel Vertical Check Valve NPT Spring Loaded In-line From $12.49
6 options
Available in additional 6 optionsFrom$1249
DANSPEED 1/2" Stainless Steel Vertical Check Valve NPT Spring Loaded In-line
25 out of 5 Stars. 2 reviews
Valterra Check Valve, Brass 1/2 inch Check Valve $13.99
$1399
current price $13.99Valterra Check Valve, Brass 1/2 inch Check Valve
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PLUMBEEZE 1-1/2 In. ABS Thermoplastic Full-Flow Sump Pump Check Valve $9.98 Was $13.99
Now$998
current price Now $9.98, Was $13.99$13.99
PLUMBEEZE 1-1/2 In. ABS Thermoplastic Full-Flow Sump Pump Check Valve
11 out of 5 Stars. 1 reviews
Merrill Manufacturing 404971509 1 in. No Lead Brass Check Valve $16.50
$1650
current price $16.50Merrill Manufacturing 404971509 1 in. No Lead Brass Check Valve
15 out of 5 Stars. 1 reviews
Magic Plastics 2 in. D X 2 in. D Slip PVC Quiet Check Valve $42.99
$4299
current price $42.99Magic Plastics 2 in. D X 2 in. D Slip PVC Quiet Check Valve
15 out of 5 Stars. 1 reviews
5Pcs Upgrades Duckbill Check Valves Leak Proof Check Gate Permanent Plastic Checks Gate for Consistent Pressure Regulate $13.35
$1335
current price $13.355Pcs Upgrades Duckbill Check Valves Leak Proof Check Gate Permanent Plastic Checks Gate for Consistent Pressure Regulate
Kbi Spring Check Valve Fipt X Fipt 1-1/4 " 150 Psi Sch 40 Pvc $16.08 Was $40.43
Now$1608
current price Now $16.08, Was $40.43$40.43
Kbi Spring Check Valve Fipt X Fipt 1-1/4 " 150 Psi Sch 40 Pvc
Proflo PFPCVC500HJ 1-1/4" 1-1/2" Pvc Sump Check Valve
Proflo PFPCVC500HJ 1-1/4" 1-1/2" Pvc Sump Check Valve
15 out of 5 Stars. 1 reviews
1 Pcs XFITTING Push Fit 3/4 Inch x 3/4 Inch Push Fit Check Valve, 28-4-4=1XX $15.60
$1560
current price $15.601 Pcs XFITTING Push Fit 3/4 Inch x 3/4 Inch Push Fit Check Valve, 28-4-4=1XX
Campbell CV-4TLF 1 In. D X 1 In. D Red Brass Spring Loaded Check Valve $35.32 Was $74.89
Now$3532
current price Now $35.32, Was $74.89$74.89
Campbell CV-4TLF 1 In. D X 1 In. D Red Brass Spring Loaded Check Valve
APEC Check Valve with 1/4 inch Quick Connect for Reverse Osmosis System (CHECK-VAL) $10.99 $10.99/cu ft
$1099
current price $10.99$10.99/cu ft
APEC Check Valve with 1/4 inch Quick Connect for Reverse Osmosis System (CHECK-VAL)
104.3 out of 5 Stars. 10 reviews
NEW Little Giant 599065 CV-10 Swimming Pool Pond Pump Vinyl Tubing Check Valve $16.35
$1635
current price $16.35NEW Little Giant 599065 CV-10 Swimming Pool Pond Pump Vinyl Tubing Check Valve
Nds 2" FNPT PVC Swing Check Valve 1520-20F $49.99
$4999
current price $49.99Nds 2" FNPT PVC Swing Check Valve 1520-20F
Proline Brass Check Valve Lead-Free Swing - 1/2 In. FIP x 1/2 In. FIP, Size 1 $16.65 Was $21.99
Now$1665
current price Now $16.65, Was $21.99$21.99
Proline Brass Check Valve Lead-Free Swing - 1/2 In. FIP x 1/2 In. FIP, Size 1
Leak Proof Brass Check Valves Plumbing Safety Component Stable Backflow Prevention Check Valves for Water Gasolines Lines $7.99
$799
current price $7.99Leak Proof Brass Check Valves Plumbing Safety Component Stable Backflow Prevention Check Valves for Water Gasolines Lines
yaaqii 1 Pair Oxygen Acetylene Check Valve Flashback Arrestor*1.5 For Cutting Torch $10.96 Was $12.99
Now$1096
current price Now $10.96, Was $12.99$12.99
yaaqii 1 Pair Oxygen Acetylene Check Valve Flashback Arrestor*1.5 For Cutting Torch
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