Check Valves


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Brass Check Valve Lead-Free 1" FPTBrass Check Valve Lead-Free 1
Part Number: CVNL100BS
  • Lead Free Brass Construction
  • Buna-N o-ring
  • Stainless Steel springs, washers, locknuts
  • Delrin poppet stem guide
  • 200 psi WOG working pressure
  • 1" FPT x 1" FPT
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MSRP: $26.17
$15.85 

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Watts LF7RU2-2 Lead Free Dual Check Valve 1/2 Union FPT x 1/2 FPTWatts LF7RU2-2 Lead Free Dual Check Valve 1/2 Union FPT x 1/2 FPT
Part Number: DCV-0072203
Alternate Part Number: 0072203
  • Can be installed vertically or horizontally
  • Available with combination of inlet/outlet sizes, types or thread and end connection
  • Temperature Range: 33˚F – 180˚F
  • Minimum Working Pressure: 10psi (69 kPa)
  • Maximum Working Pressure: 175psi (12.07 bar)
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    $33.00 

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    Brass Check Valve Lead-Free 1.25" FPTBrass Check Valve Lead-Free 1.25
    Part Number: CVNL125BS
    • Lead Free Brass Construction
    • Buna-N o-ring
    • Stainless Steel springs, washers, locknuts
    • Delrin poppet stem guide
    • 200 psi WOG working pressure
    • 1-1/4" FPT x 1-1/4" FPT
    View Details
    MSRP: $41.31
    $24.99 

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    Kynar PVDF Check Valve 3/8 x 1/4 MNPT - 0.5 psi Crack PressureKynar PVDF Check Valve 3/8 x 1/4 MNPT - 0.5 psi Crack Pressure
    Part Number: FB6MCVC4-HBLK-05
    • Connections: 3/8" quick connect x 1/4" MNPT
    • Cracking Pressure: 0.5 psi
    • Color: Black
    • Max Pressure: 150 psi
    • Temperature Range: 34°F - 150°F
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    MSRP: $35.65
    $16.05 

    25+ for $13.32 ea
    100+ Call

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    Kynar PVDF Check Valve 3/8 x 1/4 MNPT - 1.5 psi Crack PressureKynar PVDF Check Valve 3/8 x 1/4 MNPT - 1.5 psi Crack Pressure
    Part Number: FB6MCVC4-HBLU-15
    • Connections: 3/8" quick connect x 1/4" MNPT
    • Cracking Pressure: 1.5 psi
    • Color: Blue
    • Max Pressure: 150 psi
    • Temperature Range: 34°F - 150°F
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    MSRP: $78.10
    $29.97 

    25+ for $24.88 ea
    100+ Call

    Qty:  

    Kynar PVDF Check Valve 3/8 x 1/4 MNPT - 3.0 psi Crack PressureKynar PVDF Check Valve 3/8 x 1/4 MNPT - 3.0 psi Crack Pressure
    Part Number: FB6MCVC4-HRED-30
    • Connections: 3/8" quick connect x 1/4" MNPT
    • Cracking Pressure: 3.0 psi
    • Color: Red
    • Max Pressure: 150 psi
    • Temperature Range: 34°F - 150°F
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    MSRP: $78.10
    $29.97 

    25+ for $24.88 ea
    100+ Call

    Qty:  

    Kynar PVDF Check Valve 3/8 x 1/4 MNPT - 4.0 psi Crack PressureKynar PVDF Check Valve 3/8 x 1/4 MNPT - 4.0 psi Crack Pressure
    Part Number: FB6MCVC4-HGRN-40
    • Connections: 3/8" quick connect x 1/4" MNPT
    • Cracking Pressure: 4.0 psi
    • Color: Green
    • Max Pressure: 150 psi
    • Temperature Range: 34°F - 150°F
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    MSRP: $78.10
    $29.97 

    25+ for $24.88 ea
    100+ Call

    Qty:  

    Watts LF7RU2-2 Lead Free Dual Check Valve 3/4 Union FNPT x 3/4 FNPTDual Check Valve LF Brass LF7R 3/4 Union FNPT x 3/4 FNPT
    Part Number: DCV-0072204
    Alternate Part Number: 0072204
    • Can be installed vertically or horizontally
    • Available with combination of inlet/outlet sizes, types or thread and end connection
    • Temperature Range: 33˚F – 180˚F
    • Minimum Working Pressure: 10psi (69 kPa)
    • Maximum Working Pressure: 175psi (12.07 bar)
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    $34.35 

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    Elbow Check Valve Stainless Steel - 1/4" Push-in x 1/8" MPTElbow Check Valve Stainless Steel - 1/4
    Part Number: SCV-CI480821W
    Alternate Part Number: SCV-PI480821S (grey)
    Hydronamic SCV-CI480821W Stainless Elbow Check Valve - 1/4" Push-in x 1/8" MPT Features: Stainless Steel check valve inserted into a John Guest Male Elbow Push-In fitting 1/4 OD Tube size x 1/4 Male NPT. Commonly used with standard membranes on...View Details
    $8.40 

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    Elbow Check Valve Stainless Steel - 1/4" Push-in x 1/4" MPTElbow Check Valve Stainless Steel - 1/4
    Part Number: SCV-CI480822S
    Alternate Part Number: SCV-PI480822S
    Hydronamic SCV-CI480822S Stainless Elbow Check Valve - 1/4" Push-in x 1/4" MPT Features: Stainless Steel check valve inserted into a John Guest Male Elbow Push-In fitting 1/4 OD Tube size x 1/4 Male MPT.View Details
    $8.60 

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    Male Straight Check Valve Stainless Steel - 1/4" Push-in x 1/8" MPTMale Straight Check Valve Stainless Steel - 1/4
    Part Number: SCV-CI010821W
    Alternate Part Number: SCV-PI010821S (grey)
    Hydronamic SCV-CI010821W Straight Stainless Male Check Valve - 1/4" Push-in x 1/8" MPT Features: Stainless Steel check valve inserted into a Straight John Guest Male Connector Push-In fitting 1/4" OD Tube size x 1/8" Male NPT. Commonly used with...View Details
    $8.27 

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    Male Straight Check Valve Stainless Steel - 1/4" Push-in x 1/4" MPTMale Straight Check Valve Stainless Steel - 1/4
    Part Number: SCV-CI010822S
    Hydronamic SCV-CI010822S Straight Stainless Check Valve - 1/4" Push-in x 1/4" MPT Features: Stainless Steel check valve inserted into a John Guest Male Connector Push-In fitting 1/4 OD Tube size x 1/4 Male NPT.View Details
    $8.60 

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    DMfit Check Valve - 1/4" Push-inDMfit Check Valve - 1/4
    Part Number: ACHV0404
    Alternate Part Number: A4CV4
    DMfit ACHV0404 Check Valve - 1/4" Push-in Features: Acetal copolymer construction O-rings are NBR (Buna-N) Unique oval collet design FDA approved materials For water, air, gasses, vacuum, & liquids NSF Certified 51 & 61 Fittings may be...View Details
    $7.99 

     

    DMfit Check Valve - 3/8" Push-in (1/4 CTS)DMfit Check Valve - 3/8
    Part Number: ACHV0606
    Alternate Part Number: A6CV6, 3/8SCV
    DMfit ACHV0606 Check Valve - 3/8" Push-in (1/4 CTS) Features: Acetal copolymer construction O-rings are NBR (Buna-N) Unique oval collet design FDA approved materials For water, air, gasses, vacuum, & liquids NSF Certified 51 & 61 Fittings...View Details
    $12.47 

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    DMfit Check Valve - 1/2" Push-in (3/8 CTS)DMfit Check Valve - 1/2
    Part Number: ACHV0707
    Alternate Part Number: A7CV7
    DMfit ACHV0707 Check Valve - 1/2" Push-in (3/8 CTS) Features: Acetal copolymer construction O-rings are NBR (Buna-N) Unique oval collet design FDA approved materials For water, air, gasses, vacuum, & liquids NSF Certified 51 & 61 Fittings...View Details
    $14.25 

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    SeaTech Check Valve - 1/2 CTS (5/8 OD)SeaTech Check Valve - 1/2 CTS (5/8 OD)
    Part Number: 3540-10
    Alternate Part Number: 003540-10, 013540-10
    SeaTech 3540-10 Check Valve - 1/2 CTS (5/8 OD) Features: Manufactured in Off-White Polysulfone EPDM O-ring Certified to NSF-61, NSF-14, CSA B137.5, ASTM F877, IGC 188-04C Recognized by the Uniform Plumbing Code Max Temp:...View Details
    $4.45 

    10+ for $4.01 ea
    20+ for $3.78 ea

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    Inline Brass Check Valve - 1/4" MPT inlet x 1/4" FPT OutletInline Brass Check Valve - 1/4
    Part Number: CV14B-MF
    Alternate Part Number: CV14B-MxF
    Material:  Brass
    Connection:  1/4 Male NPT inlet x 1/4 Female NPT outlet
    Dimensions: 1.41" x 11/16" Hex
    Cracking Pressure:  1.5 psi +/- 1/2 psi
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    $8.20 

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    Inline Brass Check Valve - 1/4" MPT Inlet x 1/4" MPT OutletInline Brass Check Valve - 1/4
    Part Number: CV14B-MM
    Alternate Part Number: CV14B-MxM
    Material:  Brass
    Connections: 1/4" MPT Inlet x 1/4" MPT Outlet
    Dimensions: 1½" x 9/16" Hex
    Cracking Pressure:  1.5 psi +/- 1/2 psiView Details
    $6.79 

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    Inline Brass Check Valve - 3/8" MPT x 3/8" MPTInline Brass Check Valve - 3/8
    Part Number: CV38B-MM
    Alternate Part Number: CV38B-MxM
    CV14B-MM Brass Check Valve - 3/8" MPT x 3/8" MPT Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination. Material: Brass Dimensions: 1 .5 " x 9/16" Hex Cracking Pressure:...View Details
    $7.18 

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    Inline Stainless Steel Check Valve - 1/8" mpt Inlet x 1/8 mpt OutletInline Stainless Steel Check Valve - 1/8
    Part Number: CV18S-MM
    Alternate Part Number: CV14SS-MxM
    Material:  Stainless Steel
    Connection: 1/8" MPT Inlet x 1/8" MPT Outlet
    Dimensions: 1" x 7/16" Hex
    Cracking Pressure:  1.5 psi +/- 1/2 psi
    View Details
    $9.10 

    Qty:  

    Inline Stainless Steel Check Valve - 1/8 mpt Inlet x 1/8 fpt OutletInline Stainless Steel Check Valve - 1/8 mpt Inlet x 1/8 fpt Outlet
    Part Number: CV18S-MF
    Alternate Part Number: CV18S-MxF
    Material:  Stainless Steel
    Connection:  1/8" Male NPTF Inlet x 1/8" Female NPTF Outlet
    Dimensions:
    1.04" x 1/2 Hex
    Cracking Pressure:  1.5 psi +/- 1/2 psi
    View Details
    $9.40 

    Qty:  

    Inline Stainless Steel Check Valve - 1/4" MPT Inlet x 1/4" MPT OutletInline Stainless Steel Check Valve - 1/4
    Part Number: CV14S-MM
    Alternate Part Number: CV14S-MxM
    Material:  Stainless Steel
    Connection: 1/4" MPT Inlet x 1/4" MPT Outlet
    Dimensions: 1½" x 9/16" Hex
    Cracking Pressure:  1.5 psi +/- 1/2 psi
    View Details
    MSRP: $12.67
    $11.95 

    Qty:  

    Inline Stainless Steel Check Valve - 1/4" MPT Inlet x 1/4" FPT OutletInline Stainless Steel Check Valve - 1/4
    Part Number: CV14S-MF
    Alternate Part Number: CV14SF, CV14S-FM, CV14S-MxF
    Material:  Brass or Stainless Steel
    Connections: 1/4" MPT Inlet x 1/4" FPT Outlet
    Dimensions: 1.41" x 11/16" Hex
    Cracking Pressure:  1.5 psi +/- 1/2 psi
    View Details
    $11.35 

    Qty:  

    Inline Stainless Check Valve Viton O-Ring - 1/4" MPT Inlet x 1/4" FPT OutletInline Stainless Check Valve Viton O-Ring - 1/4
    Part Number: CV14SV-MF
    Alternate Part Number: CV14SF-V, CV14SF-MxF
    Material:  Stainless Steel
    Connection: 1/4" MPT Inlet x 1/4" FPT Outlet
    Dimensions: 1.41" x 11/16" Hex
    Cracking Pressure:  1.5 psi +/- 1/2 psi
    View Details
    MSRP: $12.02
    $11.37 

    Qty:  

    Check Valve 426 Series PVC Gray 1/4" FPT BUNACheck Valve 426 Series PVC Gray 1/4
    Part Number: 5721090
    Alternate Part Number: PVC 426-4F4F-B
    426 Series Check Valve PVC Gray 1/4" FPT BUNA Features: The 426 Series Check Valve prevents reverse flow and cross contamination and its design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless...View Details
    $10.96 

    5+ for $8.77 ea
    10+ for $7.67 ea
    20+ for $7.12 ea

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    Check Valve 426 Series PVC Gray 1/4" FPT VITONCheck Valve 426 Series PVC Gray 1/4
    Part Number: 5720690
    Alternate Part Number: PVC 426-4F4F-F
    426 Series Check Valve PVC Gray 1/4" FPT Viton Features: The 426 Series Check Valve prevents reverse flow and cross contamination and its design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless...View Details
    $12.91 

    5+ for $10.33 ea
    10+ for $9.04 ea
    20+ for $8.39 ea

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    Check Valve 426 Series PVC Gray 1/4 FPT x 1/4 MPT BUNACheck Valve 426 Series PVC Gray 1/4 FPT x 1/4 MPT BUNA
    Part Number: 5721290
    Alternate Part Number: PVC 426-4F4M-B
    426 Series Check Valve PVC Gray 1/4" FPT x 1/4" MPT BUNA The 426 Series Check Valve prevents reverse flow and cross contamination and its design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless...View Details
    $11.55 

    5+ for $9.24 ea
    10+ for $8.09 ea
    20+ for $7.51 ea

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    Check Valve 426 Series PVC Gray 1/2" OD Barb BUNACheck Valve 426 Series PVC Gray 1/2
    Part Number: 5721590
    Alternate Part Number: PVC 426-8B8B-B
    Check Valve 426 Series PVC Gray 1/2" OD Barb BUNA The 426 Series Check Valve promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless spring and ball is the standard configuration. PVC is a NSF Standard...View Details
    $11.55 

    5+ for $9.24 ea
    10+ for $8.09 ea
    20+ for $7.51 ea

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    Inline Poppet Check Valve 685 Series PP 1/2" FPT - BUNAInline Poppet Check Valve 685 Series PP 1/2
    Part Number: 6850090
    Alternate Part Number: FP CHK 685-8F8F-B
    The 685 Series Inline Poppet Check Valve 1/2" FPT: The 685 Series Poppet Check Valve Prevents reverse flow and cross contamination and incorporates a thin elastomer disc supported by a poppet that seals on the seat. Pressure in the flow direction...View Details
    $11.57 

    5+ for $9.26 ea
    10+ for $8.10 ea
    20+ for $7.52 ea

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    Inline Poppet Check Valve 687 Series PP 3/4" FPT - BUNAInline Poppet Check Valve 687 Series PP 3/4
    Part Number: 6870090
    Alternate Part Number: FP CHK 687-12F12F-B
    The 687 Series Inline Poppet Check Valve 3/4" FPT The 687 Series Poppet Check Valve prevents reverse flow and cross contamination and incorporates a thin elastomer disc supported by a poppet that seals on the seat. Pressure in the flow direction...View Details
    $12.48 

    5+ for $9.98 ea
    10+ for $8.74 ea
    20+ for $8.11 ea

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    Basement KCV Klunkless Steel Check ValveBasement Watchdog KCV Klunkless Steel Check Valve 4303046
    Part Number: 302882
    Alternate Part Number: 4303046, KCV
    • Eliminates the "clunk" when the pump shuts off
    • Fits pipe from 1-1/4" to 1-1/2" in diameter
    • Air tight chamber prevents water entry
    • Includes stainless steel hose clamp
    • No gluing required
    • Not for use on ejector pumps
    View Details
    $27.99 

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