Shop Plumbing One Way Check Valve

Sponsored
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$33.78
Value Collection Check Valve: 1" Pipe - Check Swing, IPS, 200 WOG | Part 101-005NL
MSC Direct
$33.78
Value Collection Check Valve: 1" Pipe - Check Swing, IPS, 200 WOG | Part 101-005NL
MSC Direct
$15.75
One-Way Check Valve | 1/2 NPT
TruckSpring
90-day returns (most items)
$15.75
One-Way Check Valve | 1/2 NPT
TruckSpring
90-day returns
$9.64
$11.29
Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
Amazon.com
380
14% off
$9.64
$11.29
Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
Amazon.com
380
$303.64
Rectorseal Clean Check 97034 Extendable Backwater Valve, Installs Descretely, Plumbing, 4"
Amazon.com
52
Free shipping
$303.64
Rectorseal Clean Check 97034 Extendable Backwater Valve, Installs Descretely, Plumbing, 4"
Amazon.com
52
$106.49
$117.68
Parker Check Valve: 1/2" Pipe - Inline, Comp X Comp, 3,000 WOG | Part 8Z-C8L-1-BN-B
MSC Direct
$106.49
$117.68
Parker Check Valve: 1/2" Pipe - Inline, Comp X Comp, 3,000 WOG | Part 8Z-C8L-1-BN-B
MSC Direct
$52.99
Seafit Bronze Check Valve 1" NPT | By West Marine
WestMarine
$52.99
Seafit Bronze Check Valve 1" NPT | By West Marine
WestMarine
$23.99
1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/4 Inch)
Amazon.com
34
$23.99
1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/4 Inch)
Amazon.com
34
$24.99
1 1/2 Inch Sump Pump Check Valve-Silent Check Valve With Spring-Loaded Flapper, Check Valve For Backflow Prevention, Includes Steel Clamps Fit 1-1/2"
Amazon.com
33
$24.99
1 1/2 Inch Sump Pump Check Valve-Silent Check Valve With Spring-Loaded Flapper, Check Valve For Backflow Prevention, Includes Steel Clamps Fit 1-1/2"
Amazon.com
33
$33.15
$37.66
Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
Amazon.com
124
11% off
$33.15
$37.66
Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
Amazon.com
124
$15.99
HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap For Pipes Tubes In Toilet Bathroom Kitchen (Blue-10)
Amazon.com
655
$15.99
HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap For Pipes Tubes In Toilet Bathroom Kitchen (Blue-10)
Amazon.com
655
$27.46
Valterra 200-C10 PVC Swing/Spring Combination Check Valve, Clear, Fits 1" PVC Pipe
Amazon.com
$27.46
Valterra 200-C10 PVC Swing/Spring Combination Check Valve, Clear, Fits 1" PVC Pipe
Amazon.com
$29.36
NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, IPS X IPS, PVC, 14°F To 140°F Model: 1520-12
Grainger
1
$29.36
NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, IPS X IPS, PVC, 14°F To 140°F Model: 1520-12
Grainger
1
$28.01
NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FIP X FIP, PVC, 14°F To 140°F Model: 1520-15F
Grainger
1
$28.01
NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FIP X FIP, PVC, 14°F To 140°F Model: 1520-15F
Grainger
1
$32.36
Parker Check Valve: 1/4" Pipe - Inline, Push-To-Connect X MNPT, 300 WOG | Part FB6MCVC4-HRED-3
MSC Direct
$32.36
Parker Check Valve: 1/4" Pipe - Inline, Push-To-Connect X MNPT, 300 WOG | Part FB6MCVC4-HRED-3
MSC Direct
$30.49
EVIL ENERGY 6AN Male Non Return One Way Inline Check Valve Fitting Aluminum Black
Amazon.com
22
$30.49
EVIL ENERGY 6AN Male Non Return One Way Inline Check Valve Fitting Aluminum Black
Amazon.com
22
$34.28
Sharkbite Check Valve: 3/4" Pipe - Inline, Push To Connect X Push To Connect, 200 WOG | Part U2016-0000LF
MSC Direct
1K+
$34.28
Sharkbite Check Valve: 3/4" Pipe - Inline, Push To Connect X Push To Connect, 200 WOG | Part U2016-0000LF
MSC Direct
1K+
$6.99
1/4" One Way Inline Check Valve 2 Pcs, Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve
Amazon.com
34
$6.99
1/4" One Way Inline Check Valve 2 Pcs, Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve
Amazon.com
34
$6.87
Hunter - hc-50f-50m - 1/2' Female Inlet X 1/2' Male Outlet Check Valve
Cheap Sprinklers
5
$6.87
Hunter - hc-50f-50m - 1/2' Female Inlet X 1/2' Male Outlet Check Valve
Cheap Sprinklers
5
$23.79
NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, FIP X FIP, PVC, 14°F To 140°F Model: 1520-12F
Grainger
$23.79
NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, FIP X FIP, PVC, 14°F To 140°F Model: 1520-12F
Grainger
$12.99
Closmos Pneumatic Push To Connect Fitting Check Valve 1/2" OD X 1/2" OD One-Way Valve Pack Of 2
Amazon.com
$12.99
Closmos Pneumatic Push To Connect Fitting Check Valve 1/2" OD X 1/2" OD One-Way Valve Pack Of 2
Amazon.com
$26.99
Check Valve, Brass, 1" NPT Male In/ 1 FNPT Out, Hallmark Industries (100NPT)
Amazon.com
34
$26.99
Check Valve, Brass, 1" NPT Male In/ 1 FNPT Out, Hallmark Industries (100NPT)
Amazon.com
34
$12.99
Megairon 1" NPT Female WOG1000 Check Valve, Spring Loaded In-Line Low Cracking Pressure, Stainless Steel SS316 cf8m (1 Inch)…
Amazon.com
47
$12.99
Megairon 1" NPT Female WOG1000 Check Valve, Spring Loaded In-Line Low Cracking Pressure, Stainless Steel SS316 cf8m (1 Inch)…
Amazon.com
47
$201.52
Legris Check Valve: 1/4" Pipe - NPT | Part 4895 14 14
MSC Direct
$201.52
Legris Check Valve: 1/4" Pipe - NPT | Part 4895 14 14
MSC Direct
$19.70
NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, IPS X IPS, PVC, 14°F To 140°F Model: 1520-15
Grainger
2
$19.70
NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, IPS X IPS, PVC, 14°F To 140°F Model: 1520-15
Grainger
2
$10.99
Quickun 1/2" One Way Inline Check Valve, Non Return Hose Barb, Ozone Resistance Plastic Valve For Fuel Oil Water Gas Pump Air, 5 Pcs
Amazon.com
739
$10.99
Quickun 1/2" One Way Inline Check Valve, Non Return Hose Barb, Ozone Resistance Plastic Valve For Fuel Oil Water Gas Pump Air, 5 Pcs
Amazon.com
739
$22.12
NDS Swing Check Valve: Swing, Inline Valve Body, 1 in Pipe Size, IPS X IPS, PVC, 20.2 Gpm Flow Rate Model: 1520-10
Grainger
1
$22.12
NDS Swing Check Valve: Swing, Inline Valve Body, 1 in Pipe Size, IPS X IPS, PVC, 20.2 Gpm Flow Rate Model: 1520-10
Grainger
1
$79.95
$88.00
Mishimoto Performance One-Way Check Valve, 3/4 MMFT-CHKVLV-34
Mishimoto Automotive
17
$79.95
$88.00
Mishimoto Performance One-Way Check Valve, 3/4 MMFT-CHKVLV-34
Mishimoto Automotive
17
$15.31
Valterra 200-C15W PVC Swing (No Spring) Check Valve, Clear, 1-1/2" Slip
Amazon.com
304
$15.31
Valterra 200-C15W PVC Swing (No Spring) Check Valve, Clear, 1-1/2" Slip
Amazon.com
304
$28.79
NDS Swing Check Valve: Swing, Inline Valve Body, 2 in Pipe Size, IPS Slip X IPS Slip, PVC, Std, PVC Model: 1520-20
Grainger
2
$28.79
NDS Swing Check Valve: Swing, Inline Valve Body, 2 in Pipe Size, IPS Slip X IPS Slip, PVC, Std, PVC Model: 1520-20
Grainger
2
$29.05
Little Giant Pumps | Little Giant® Pumps Check Valve: 1-1/4 X 1-1/2" Pipe - Universal Check Valve For Sump Pumps, MNPT X Barb | Part 599059
MSC Direct
53
$29.05
Little Giant Pumps | Little Giant® Pumps Check Valve: 1-1/4 X 1-1/2" Pipe - Universal Check Valve For Sump Pumps, MNPT X Barb | Part 599059
MSC Direct
53
$472.31
NIBCO Check Valve: 1-1/2" Pipe - Y-Pattern, FNPT X FNPT, 300 WOG | Part T433B-1-1/2
MSC Direct
$472.31
NIBCO Check Valve: 1-1/2" Pipe - Y-Pattern, FNPT X FNPT, 300 WOG | Part T433B-1-1/2
MSC Direct
$36.74
Zoeller Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC, FNPT X MNPT Model: 30-0258
Grainger
1
$36.74
Zoeller Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC, FNPT X MNPT Model: 30-0258
Grainger
1
$208.92
NIBCO Check Valve: 1/2" Pipe - Y-Pattern, FNPT X FNPT, 400 WOG | Part T453B-1/2
MSC Direct
$208.92
NIBCO Check Valve: 1/2" Pipe - Y-Pattern, FNPT X FNPT, 400 WOG | Part T453B-1/2
MSC Direct
$222.52
Strataflo Check Valves: Design: In-Line, Valve Type: Check - FNPT X FNPT | Part 375-150
MSC Direct
$222.52
Strataflo Check Valves: Design: In-Line, Valve Type: Check - FNPT X FNPT | Part 375-150
MSC Direct
$36.15
Zoeller Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC, Female, PVC Model: 30-0259
Grainger
$36.15
Zoeller Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, For Water Media, PVC, Female, PVC Model: 30-0259
Grainger
$28.22
G1-1/2' Brass Check Valve NBR PN10 - CLIB
Tameson.com
$28.22
G1-1/2' Brass Check Valve NBR PN10 - CLIB
Tameson.com
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    Shop Plumbing One Way Check Valve

    Sponsored
    About our ads
    $33.78
    Value Collection Check Valve: 1" Pipe - Check Swing, IPS, 200 WOG | Part 101-005NL
    MSC Direct
    $33.78
    Value Collection Check Valve: 1" Pipe - Check Swing, IPS, 200 WOG | Part 101-005NL
    MSC Direct
    $15.75
    One-Way Check Valve | 1/2 NPT
    TruckSpring
    90-day returns (most items)
    $15.75
    One-Way Check Valve | 1/2 NPT
    TruckSpring
    90-day returns
    $9.64
    $11.29
    Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
    Amazon.com
    380
    14% off
    $9.64
    $11.29
    Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
    Amazon.com
    380
    $303.64
    Rectorseal Clean Check 97034 Extendable Backwater Valve, Installs Descretely, Plumbing, 4"
    Amazon.com
    52
    Free shipping
    $303.64
    Rectorseal Clean Check 97034 Extendable Backwater Valve, Installs Descretely, Plumbing, 4"
    Amazon.com
    52
    $106.49
    $117.68
    Parker Check Valve: 1/2" Pipe - Inline, Comp X Comp, 3,000 WOG | Part 8Z-C8L-1-BN-B
    MSC Direct
    $106.49
    $117.68
    Parker Check Valve: 1/2" Pipe - Inline, Comp X Comp, 3,000 WOG | Part 8Z-C8L-1-BN-B
    MSC Direct
    $52.99
    Seafit Bronze Check Valve 1" NPT | By West Marine
    WestMarine
    $52.99
    Seafit Bronze Check Valve 1" NPT | By West Marine
    WestMarine
    $23.99
    1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/4 Inch)
    Amazon.com
    34
    $23.99
    1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/4 Inch)
    Amazon.com
    34
    $24.99
    1 1/2 Inch Sump Pump Check Valve-Silent Check Valve With Spring-Loaded Flapper, Check Valve For Backflow Prevention, Includes Steel Clamps Fit 1-1/2"
    Amazon.com
    33
    $24.99
    1 1/2 Inch Sump Pump Check Valve-Silent Check Valve With Spring-Loaded Flapper, Check Valve For Backflow Prevention, Includes Steel Clamps Fit 1-1/2"
    Amazon.com
    33
    $33.15
    $37.66
    Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
    Amazon.com
    124
    11% off
    $33.15
    $37.66
    Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
    Amazon.com
    124
    $15.99
    HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap For Pipes Tubes In Toilet Bathroom Kitchen (Blue-10)
    Amazon.com
    655
    $15.99
    HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap For Pipes Tubes In Toilet Bathroom Kitchen (Blue-10)
    Amazon.com
    655
    $27.46
    Valterra 200-C10 PVC Swing/Spring Combination Check Valve, Clear, Fits 1" PVC Pipe
    Amazon.com
    $27.46
    Valterra 200-C10 PVC Swing/Spring Combination Check Valve, Clear, Fits 1" PVC Pipe
    Amazon.com
    $29.36
    NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, IPS X IPS, PVC, 14°F To 140°F Model: 1520-12
    Grainger
    1
    $29.36
    NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, IPS X IPS, PVC, 14°F To 140°F Model: 1520-12
    Grainger
    1
    $28.01
    NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FIP X FIP, PVC, 14°F To 140°F Model: 1520-15F
    Grainger
    1
    $28.01
    NDS Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FIP X FIP, PVC, 14°F To 140°F Model: 1520-15F
    Grainger
    1
    $32.36
    Parker Check Valve: 1/4" Pipe - Inline, Push-To-Connect X MNPT, 300 WOG | Part FB6MCVC4-HRED-3
    MSC Direct
    $32.36
    Parker Check Valve: 1/4" Pipe - Inline, Push-To-Connect X MNPT, 300 WOG | Part FB6MCVC4-HRED-3
    MSC Direct
    $30.49
    EVIL ENERGY 6AN Male Non Return One Way Inline Check Valve Fitting Aluminum Black
    Amazon.com
    22
    $30.49
    EVIL ENERGY 6AN Male Non Return One Way Inline Check Valve Fitting Aluminum Black
    Amazon.com
    22
    $34.28
    Sharkbite Check Valve: 3/4" Pipe - Inline, Push To Connect X Push To Connect, 200 WOG | Part U2016-0000LF
    MSC Direct
    1K+
    $34.28
    Sharkbite Check Valve: 3/4" Pipe - Inline, Push To Connect X Push To Connect, 200 WOG | Part U2016-0000LF
    MSC Direct
    1K+
    $6.99
    1/4" One Way Inline Check Valve 2 Pcs, Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve
    Amazon.com
    34
    $6.99
    1/4" One Way Inline Check Valve 2 Pcs, Non Return Ozone Resistance PVDF Plastic One-Way Fuel Oil Water Gas Pump Air Check Valve
    Amazon.com
    34
    $6.87
    Hunter - hc-50f-50m - 1/2' Female Inlet X 1/2' Male Outlet Check Valve
    Cheap Sprinklers
    5
    $6.87
    Hunter - hc-50f-50m - 1/2' Female Inlet X 1/2' Male Outlet Check Valve
    Cheap Sprinklers
    5