Shop Inlet and Outlet Check Valve

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$11.09
OTR 1/2" Check Valve | New Check Valve 1/2" | OTR23000
FleetPride
60-day returns (most items)
$11.09
OTR 1/2" Check Valve | New Check Valve 1/2" | OTR23000
FleetPride
60-day returns
$87.99
Haldex 1/4" NPT Inlet Port 65 PSI One-Way Check Pressure Protection Valve | 90555409
FleetPride
60-day returns (most items)
$87.99
Haldex 1/4" NPT Inlet Port 65 PSI One-Way Check Pressure Protection Valve | 90555409
FleetPride
60-day returns
$11.59
Power Products 1/2" One Way Check Valve | 1/2 Ck Vlv | 23000P
FleetPride
60-day returns (most items)
$11.59
Power Products 1/2" One Way Check Valve | 1/2 Ck Vlv | 23000P
FleetPride
60-day returns
$214.49
$403.50
T&S B-1028 Concealed Straight Loose Key Stop With 1/2" NPT Female Inlet And Outlet And Built In Check Valve
WebstaurantStore
46% off
$214.49
$403.50
T&S B-1028 Concealed Straight Loose Key Stop With 1/2" NPT Female Inlet And Outlet And Built In Check Valve
WebstaurantStore
$36.19
OTR 1/4" Check Valve | Sc-3 Sgl Check Valve (1/4" Fpt-1/4" Mpt) | OTR800375
FleetPride
60-day returns (most items)
$36.19
OTR 1/4" Check Valve | Sc-3 Sgl Check Valve (1/4" Fpt-1/4" Mpt) | OTR800375
FleetPride
60-day returns
$20.39
Power Products Double Check Valve | Double Check Valve 3-3/8" Npt Port | 278614P
FleetPride
60-day returns (most items)
$20.39
Power Products Double Check Valve | Double Check Valve 3-3/8" Npt Port | 278614P
FleetPride
60-day returns
$94.68
$150.57
Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
Amazon.com
Free shipping
37% off
$94.68
$150.57
Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
Amazon.com
Free shipping
$7.13
Check Valve, 1/4in MPT Inlet X 1/4in FPT Outlet, 2GPM, 300PSI, Black Nylon, 8360-1/4-NY-B-VI
Sonnys' Direct
30-day returns (most items)
$7.13
Check Valve, 1/4in MPT Inlet X 1/4in FPT Outlet, 2GPM, 300PSI, Black Nylon, 8360-1/4-NY-B-VI
Sonnys' Direct
30-day returns
$7.65
Check Valve, 1/4in MPT Inlet X 1/4in FPT Outlet, 2GPM, 300PSI, Blue Nylon, 8360-1/4-NY-BL-VI
Sonnys' Direct
30-day returns (most items)
$7.65
Check Valve, 1/4in MPT Inlet X 1/4in FPT Outlet, 2GPM, 300PSI, Blue Nylon, 8360-1/4-NY-BL-VI
Sonnys' Direct
30-day returns
$26.78
Check Valve, Inlet/Outlet 3/4in FPT, 11GPM, 200PSI, PVC SCH40, Stainless Steel, CV-34-11
Sonnys' Direct
30-day returns (most items)
$26.78
Check Valve, Inlet/Outlet 3/4in FPT, 11GPM, 200PSI, PVC SCH40, Stainless Steel, CV-34-11
Sonnys' Direct
30-day returns
$39.99
1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
Amazon.com
Free shipping
$39.99
1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
Amazon.com
Free shipping
$30.99
Podavelle 1/2" Non Return One Way Inline Check Valve Fitting Aluminum Black
Amazon.com
7
$30.99
Podavelle 1/2" Non Return One Way Inline Check Valve Fitting Aluminum Black
Amazon.com
7
$20.99
OTR Double Check Valve | New Check Valve-Double | OTR278614
FleetPride
60-day returns (most items)
$20.99
OTR Double Check Valve | New Check Valve-Double | OTR278614
FleetPride
60-day returns
$133.11
Caleffi NA10366 1" & 1-1/4" Inlet Check Valve Assembly | Supplyhouse.Com
SupplyHouse.com
$133.11
Caleffi NA10366 1" & 1-1/4" Inlet Check Valve Assembly | Supplyhouse.Com
SupplyHouse.com
$9.90
$15.99
Hunter Sprinkler hc50f50m HCV 1/2-Inch Female Inlet By 1/2-Inch Male Outlet Check Valve
Amazon.com
5
38% off
$9.90
$15.99
Hunter Sprinkler hc50f50m HCV 1/2-Inch Female Inlet By 1/2-Inch Male Outlet Check Valve
Amazon.com
5
$140.40
Idex Inline Check Valve, Inlet, 3 Psi, 0.02" ID, 1/4-28 (F) To 1/4-28 (M) Flat Bottom, 1/EA | Cole-Parmer
Cole-Parmer
$140.40
Idex Inline Check Valve, Inlet, 3 Psi, 0.02" ID, 1/4-28 (F) To 1/4-28 (M) Flat Bottom, 1/EA | Cole-Parmer
Cole-Parmer
$32.19
Power Products 3/8" One Way Check Valve | 3/8" Ck Vlv | 23010P
FleetPride
60-day returns (most items)
$32.19
Power Products 3/8" One Way Check Valve | 3/8" Ck Vlv | 23010P
FleetPride
60-day returns
$30.99
Podavelle 5/8" Non Return One Way Inline Check Valve Fitting Aluminum Black
Amazon.com
9
$30.99
Podavelle 5/8" Non Return One Way Inline Check Valve Fitting Aluminum Black
Amazon.com
9
$160.73
Watts 0072208 1" Female Meter Thread Swivel Inlet X 3/4" Union MNPT Outlet Dual Check Valve Backflow Preventer, LF7R10-U3 ,Lead | Supplyhouse.Com
SupplyHouse.com
$160.73
Watts 0072208 1" Female Meter Thread Swivel Inlet X 3/4" Union MNPT Outlet Dual Check Valve Backflow Preventer, LF7R10-U3 ,Lead | Supplyhouse.Com
SupplyHouse.com
$30.49
EVIL ENERGY 8AN Male Non Return One Way Inline Check Valve Fitting Aluminum Black
Amazon.com
2
$30.49
EVIL ENERGY 8AN Male Non Return One Way Inline Check Valve Fitting Aluminum Black
Amazon.com
2
$118.25
Aeromotive In-Line Full Flow Check Valve (Male -6 AN Inlet / Female -6 AN Outlet) Aer15106
Extreme Power House
$118.25
Aeromotive In-Line Full Flow Check Valve (Male -6 AN Inlet / Female -6 AN Outlet) Aer15106
Extreme Power House
$159.60
$328.00
Watts 0061935 9D-M3 9D Series 1/2" FNPT Union X FNPT Union Dual Check Valve With Intermediate Atmospheric Vent
WebstaurantStore
40
51% off
$159.60
$328.00
Watts 0061935 9D-M3 9D Series 1/2" FNPT Union X FNPT Union Dual Check Valve With Intermediate Atmospheric Vent
WebstaurantStore
40
$12.79
Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
Amazon.com
31
$12.79
Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
Amazon.com
31
$13.99
Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
Amazon.com
375
$13.99
Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
Amazon.com
375
$603.67
Watts 0061657 3/8" SD3-MF FNPT Inlet X Flare Outlet Dual Check Valve Backflow Preventer, Atmospheric Vent, Wye Strainer (Lead Free)
SupplyHouse.com
$603.67
Watts 0061657 3/8" SD3-MF FNPT Inlet X Flare Outlet Dual Check Valve Backflow Preventer, Atmospheric Vent, Wye Strainer (Lead Free)
SupplyHouse.com
$229.78
Watts Check Valve: Disc, Inline Valve Body, 3/4 in Pipe Size, FNPT X FNPT, Copper Silicon Alloy, NPT Model: LF6 3/4
Grainger
$229.78
Watts Check Valve: Disc, Inline Valve Body, 3/4 in Pipe Size, FNPT X FNPT, Copper Silicon Alloy, NPT Model: LF6 3/4
Grainger
$18.32
Perko Inlet Check Valve - 0635DP0
Defender Marine
1
$18.32
Perko Inlet Check Valve - 0635DP0
Defender Marine
1
$34.72
Conrader Check Valve: In Line, Brass, 1/2 in (F)NPT, 1/2 in (F)NPT, 250 Psi Max. Pressure Model: GV12
Grainger
$34.72
Conrader Check Valve: In Line, Brass, 1/2 in (F)NPT, 1/2 in (F)NPT, 250 Psi Max. Pressure Model: GV12
Grainger
$59.99
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Amazon.com
Free shipping
$59.99
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Amazon.com
Free shipping
$16.99
2PCS 3/4 NPT Thread Spring Check Valve, Brass Non Return One Way Horizontal Vertical Inline Water Check Valve For Well, Pump, Tank, Backflow
Amazon.com
5
$16.99
2PCS 3/4 NPT Thread Spring Check Valve, Brass Non Return One Way Horizontal Vertical Inline Water Check Valve For Well, Pump, Tank, Backflow
Amazon.com
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
$298.64
Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
Free shipping
$298.64
Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
Free shipping
$147.20
Idex Nonmetallic Inline Check Valve, Inlet, 1 Psi, 0.04" ID, 1/4-28 (F) To 1/4-28 (M) Flat Bottom, 1/EA | Cole-Parmer
Cole-Parmer
$147.20
Idex Nonmetallic Inline Check Valve, Inlet, 1 Psi, 0.04" ID, 1/4-28 (F) To 1/4-28 (M) Flat Bottom, 1/EA | Cole-Parmer
Cole-Parmer
$19.99
NDS Swing Check Valve: Swing, Inline Valve Body, 1 in Pipe Size, FIP X FIP, PVC, 20.2 Gpm Flow Rate Model: 1520-10F
Grainger
$19.99
NDS Swing Check Valve: Swing, Inline Valve Body, 1 in Pipe Size, FIP X FIP, PVC, 20.2 Gpm Flow Rate Model: 1520-10F
Grainger
$15.22
NDS Swing Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FIP X FIP, PVC, 14°F To 140°F Model: 1520-05F
Grainger
$15.22
NDS Swing Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FIP X FIP, PVC, 14°F To 140°F Model: 1520-05F
Grainger
$290.88
Georg Fischer Check Valve: Inline Valve Body, PVC, 1 1/2 in Pipe Size, Socket X Socket, Std, EPDM Model: 161562106
Grainger
$290.88
Georg Fischer Check Valve: Inline Valve Body, PVC, 1 1/2 in Pipe Size, Socket X Socket, Std, EPDM Model: 161562106
Grainger
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    Shop Inlet and Outlet Check Valve

    Sponsored
    About our ads
    $11.09
    OTR 1/2" Check Valve | New Check Valve 1/2" | OTR23000
    FleetPride
    60-day returns (most items)
    $11.09
    OTR 1/2" Check Valve | New Check Valve 1/2" | OTR23000
    FleetPride
    60-day returns
    $87.99
    Haldex 1/4" NPT Inlet Port 65 PSI One-Way Check Pressure Protection Valve | 90555409
    FleetPride
    60-day returns (most items)
    $87.99
    Haldex 1/4" NPT Inlet Port 65 PSI One-Way Check Pressure Protection Valve | 90555409
    FleetPride
    60-day returns
    $11.59
    Power Products 1/2" One Way Check Valve | 1/2 Ck Vlv | 23000P
    FleetPride
    60-day returns (most items)
    $11.59
    Power Products 1/2" One Way Check Valve | 1/2 Ck Vlv | 23000P
    FleetPride
    60-day returns
    $214.49
    $403.50
    T&S B-1028 Concealed Straight Loose Key Stop With 1/2" NPT Female Inlet And Outlet And Built In Check Valve
    WebstaurantStore
    46% off
    $214.49
    $403.50
    T&S B-1028 Concealed Straight Loose Key Stop With 1/2" NPT Female Inlet And Outlet And Built In Check Valve
    WebstaurantStore
    $36.19
    OTR 1/4" Check Valve | Sc-3 Sgl Check Valve (1/4" Fpt-1/4" Mpt) | OTR800375
    FleetPride
    60-day returns (most items)
    $36.19
    OTR 1/4" Check Valve | Sc-3 Sgl Check Valve (1/4" Fpt-1/4" Mpt) | OTR800375
    FleetPride
    60-day returns
    $20.39
    Power Products Double Check Valve | Double Check Valve 3-3/8" Npt Port | 278614P
    FleetPride
    60-day returns (most items)
    $20.39
    Power Products Double Check Valve | Double Check Valve 3-3/8" Npt Port | 278614P
    FleetPride
    60-day returns
    $94.68
    $150.57
    Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
    Amazon.com
    Free shipping
    37% off
    $94.68
    $150.57
    Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
    Amazon.com
    Free shipping
    $7.13
    Check Valve, 1/4in MPT Inlet X 1/4in FPT Outlet, 2GPM, 300PSI, Black Nylon, 8360-1/4-NY-B-VI
    Sonnys' Direct
    30-day returns (most items)
    $7.13
    Check Valve, 1/4in MPT Inlet X 1/4in FPT Outlet, 2GPM, 300PSI, Black Nylon, 8360-1/4-NY-B-VI
    Sonnys' Direct
    30-day returns
    $7.65
    Check Valve, 1/4in MPT Inlet X 1/4in FPT Outlet, 2GPM, 300PSI, Blue Nylon, 8360-1/4-NY-BL-VI
    Sonnys' Direct
    30-day returns (most items)
    $7.65
    Check Valve, 1/4in MPT Inlet X 1/4in FPT Outlet, 2GPM, 300PSI, Blue Nylon, 8360-1/4-NY-BL-VI
    Sonnys' Direct
    30-day returns
    $26.78
    Check Valve, Inlet/Outlet 3/4in FPT, 11GPM, 200PSI, PVC SCH40, Stainless Steel, CV-34-11
    Sonnys' Direct
    30-day returns (most items)
    $26.78
    Check Valve, Inlet/Outlet 3/4in FPT, 11GPM, 200PSI, PVC SCH40, Stainless Steel, CV-34-11
    Sonnys' Direct
    30-day returns
    $39.99
    1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
    Amazon.com
    Free shipping
    $39.99
    1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
    Amazon.com
    Free shipping
    $30.99
    Podavelle 1/2" Non Return One Way Inline Check Valve Fitting Aluminum Black
    Amazon.com
    7
    $30.99
    Podavelle 1/2" Non Return One Way Inline Check Valve Fitting Aluminum Black
    Amazon.com
    7
    $20.99
    OTR Double Check Valve | New Check Valve-Double | OTR278614
    FleetPride
    60-day returns (most items)
    $20.99
    OTR Double Check Valve | New Check Valve-Double | OTR278614
    FleetPride
    60-day returns
    $133.11
    Caleffi NA10366 1" & 1-1/4" Inlet Check Valve Assembly | Supplyhouse.Com
    SupplyHouse.com
    $133.11
    Caleffi NA10366 1" & 1-1/4" Inlet Check Valve Assembly | Supplyhouse.Com
    SupplyHouse.com
    $9.90
    $15.99
    Hunter Sprinkler hc50f50m HCV 1/2-Inch Female Inlet By 1/2-Inch Male Outlet Check Valve
    Amazon.com
    5
    38% off
    $9.90
    $15.99
    Hunter Sprinkler hc50f50m HCV 1/2-Inch Female Inlet By 1/2-Inch Male Outlet Check Valve
    Amazon.com
    5
    $140.40
    Idex Inline Check Valve, Inlet, 3 Psi, 0.02" ID, 1/4-28 (F) To 1/4-28 (M) Flat Bottom, 1/EA | Cole-Parmer
    Cole-Parmer
    $140.40
    Idex Inline Check Valve, Inlet, 3 Psi, 0.02" ID, 1/4-28 (F) To 1/4-28 (M) Flat Bottom, 1/EA | Cole-Parmer
    Cole-Parmer
    $32.19
    Power Products 3/8" One Way Check Valve | 3/8" Ck Vlv | 23010P
    FleetPride
    60-day returns (most items)
    $32.19
    Power Products 3/8" One Way Check Valve | 3/8" Ck Vlv | 23010P
    FleetPride
    60-day returns
    $30.99
    Podavelle 5/8" Non Return One Way Inline Check Valve Fitting Aluminum Black
    Amazon.com
    9
    $30.99
    Podavelle 5/8" Non Return One Way Inline Check Valve Fitting Aluminum Black
    Amazon.com
    9