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Check Valves - 508 - Blowout Sale! Save up to 83%


Blowout Sale! Up to 83% off on Check Valves at In The National Interest. Top brands include Temco, Smith-Cooper International, Campbell Hausfeld, Zurn, Hayward Flow Control, Watts, AMT Pumps, Soux Chief, Everbilt, Valterra, Dernord, Fill-Rite, SPX POWER TEAM, clippard, Zoeller, ND, ProPlumber, & Campbell. Hurry! Limited time offers. Offers valid only while supplies last.



2'' Brass Check Valve, Inline Spring, Air Water or Oil NPT - TEMCo 5 Year Warranty
2" Brass Check Valve, Inline Spring, Air Water or Oil NPT - TEMCo 5 Year Warranty
By Temco
In Stock
$19.00

mpn: VA0003,

4.6 out of 5 stars with 261 reviews
Type: Brass Check Valve Size: 2'' Thread Type: True Tapered Male NPT Body Material: Brass Spring Material: Stainless Steel Seal Material: NBR Spring assist: Yes Max Pressure: 232 PSI Flow Rate (Gallons Per Minute): 106.99 (at 11.6 PSI / 80 kpa) Temperature: 14-248°F Mounting orientation: Vertical, Horizontal, Diagonal Acceptable Fluids: Air, Water, Oil etc. Warranty: 5 Years Applications Include: Domestic Water Supply, Heating and Air Conditioning Systems, Compressed Air Systems, Irrigation


Smith-Cooper International 9191L Series Brass Swing Check Valve, Potable Water Service, 1-1/2'' NPT Female
Smith-Cooper International 9191L Series Brass Swing Check Valve, Potable Water Service, 1-1/2" NPT Female
By Smith-Cooper International
In Stock
$29.67

mpn: 01739191ML, ean: 0092201370617,

4.2 out of 5 stars with 188 reviews
Made from brass for higher corrosion resistance than steel. Female NPT threads for connecting to male threaded pipes. Maximum pressure ratings of 200 psig for WOG. Maximum working temperature of 350 degrees Fahrenheit. Meets NSF/ANSI 61-8 for quality assurance and is certified to California AB1953.


Campbell Hausfeld CV221502AV 1/2 Check Valve With Port
Campbell Hausfeld CV221502AV 1/2 Check Valve With Port
By Campbell Hausfeld
In Stock
$52.23

mpn: Campbell Hausfeld,

4.6 out of 5 stars with 224 reviews
Campbell Hausfeld CV221502AV 1/2 Check Valve With PortCampbell Hausfeld CV221502AV 1/2 Check Valve With Port.


Zurn RK34-375 Wilkins Complete Internals Repair Kit for 0.50'' to 0.75'' Model 375XL/375/375ST and for 1/2 to 3/4'' Backflow Preventer
Zurn RK34-375 Wilkins Complete Internals Repair Kit for 0.50" to 0.75" Model 375XL/375/375ST and for 1/2 to 3/4" Backflow Preventer
By Zurn
In Stock
$53.50
$36.91
You Save: 31%

mpn: RK34-375, ean: 0612052091044,

4.6 out of 5 stars with 181 reviews
Zurn Engineered Water Solutions is a recognized leader in commercial, municipal, and industrial markets, delivering sustainable building solutions for new construction and retrofit applications. At Zurn we are committed to providing smart solutions that save both time and money. The RK34-375 Complete Repair Kit Includes 2 checks, vessel O-rings, check O-rings, relief valve assembly, relief valve spring, relief valve spring seat, and relief valve spring o- rings. The repair kit is compatible


Hayward TC20075STE Series TC True Union Ball Check Valve, Socket/Threaded End, CPVC with EPDM Seals, 3/4'' Size
Hayward TC20075STE Series TC True Union Ball Check Valve, Socket/Threaded End, CPVC with EPDM Seals, 3/4" Size
By Hayward Flow Control
In Stock
$48.49

mpn: TC20075STE,

4.9 out of 5 stars with 205 reviews
'Check Valve, Control Check, Material of Construction CPVC, Size 3/4 In, SKT/FNPT Connection, Length 4.75 In, Width 2.63 In, Overall Height 2.63 In, Rated For 150 PSI, Cracking Pressure 3 PSI, Max Temp 190 F, Mounting Position Vertical Flow Up, Seat Material EPDM, Seal EPDM, Flow 10 GPM, Standards NSF 61'Price For: Each Material of Construction: CPVC Standards: NSF 61 Max. Temp.: 190 Degrees F Sub-Category: CPVC Compliance: - Item: Check Valve Cracking Pressure: 3 psi Mounting Position:


Watts 2'' 009M2 Backflow Preventer Reduced Pressure Zone Assembly RPZ 2 009M2-QT 0063010 63010
Watts 2" 009M2 Backflow Preventer Reduced Pressure Zone Assembly RPZ 2 009M2-QT 0063010 63010
By Watts
In Stock
$499.99
$477.97
You Save: 4%

mpn: 009M2QT, ean: 0098268591781,

4.0 out of 5 stars with 31 reviews
Do not use this item for any installation or repair of potable water applications. This product does not comply with the ''Safe Drinking Water Act,'' which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only (irrigation, fire sprinkler, etc.). Series 009 Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water


AMT Pump C378-90 Foot Valve, 4 for 1; Fits Pipe Sizes 3/4'', 1'', 1-1/4'' and 1-1/2''
AMT Pump C378-90 Foot Valve, 4 for 1; Fits Pipe Sizes 3/4", 1", 1-1/4" and 1-1/2"
By AMT Pumps
In Stock
$21.00

mpn: C378-90, ean: 0726846516672,

4.1 out of 5 stars with 145 reviews
Foot valve fits 3/4-inches, 1-inches, 1-1/4-inches and 1-1/2-inches pipe sizes.Foot valve. Foot valve fits 3/4-inches, 1-inches, 1-1/4-inches and 1-1/2-inches pipe sizes.


Soux Chief 869-2P WV Backwater Valve for Drainage Systems
Soux Chief 869-2P WV Backwater Valve for Drainage Systems
By Soux Chief
In Stock
$33.48

mpn: 869-2P, ean: 0739236306005,

4.5 out of 5 stars with 291 reviews
Sioux chief dev. backwater valve has threaded access seals that are hand tight and allow for easy maintenance and inspection. 6 inch backwater valve extensions-use 10 inch sch. 40 pipe.Threaded access seals hand-tight and allows for easy maintenance and inspection. 6 inch backwater valve extensions - use 10 inch sch. 40 pipe (not included). For gravity flow applications only.


1.25 in. and 1.5 in. ABS Threaded ABS Sump Pump Check Valve
1.25 in. and 1.5 in. ABS Threaded ABS Sump Pump Check Valve
By Everbilt
In Stock
$12.88

mpn: THD1021, ean: 0852205005485,

4.0 out of 5 stars with 287 reviews
For sump pump applications the THD1021 with any 1.25 in. or 1.5 in. sump pumps. It has dual threads that fits a 1.25 in. or 1.5 in. discharge pump. Strong, durable ABS body. This is the perfect valve for connecting a sump pump to a flexible plastic discharge hose.Product Dimensions:Product Height (in.):4.16Product Length (in.):2.13Product Width (in.):2.13Valve Inlet Diameter (in.):1.25Valve Outlet Diameter (in.):1.25Product Details: Compatible Pipe


Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2'' Union
Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
By Valterra
In Stock
$24.07

mpn: 200-CU15, ean: 0019079703156,

4.4 out of 5 stars with 15 reviews
This Valterra 200-CU15 union check valve is made of clear schedule 40 PVC (polyvinyl chloride) for strength and resistance to corrosion and mild chemicals. Its EPDM (ethylene propylene diene monomer) seal resists degradation caused by water and oils, and the swing/spring construction of this valve makes it possible to install it in any position. It has a 1-1/2'' slip connection at each end, which must be fastened with glue, a maximum pressure rating of 150 pounds per square inch (psi), and a


WATTS 009M3 3/4'' CHECK VALVE/RELIEF VALVE RUBBER KIT
WATTS 009M3 3/4" CHECK VALVE/RELIEF VALVE RUBBER KIT
By Watts
SKU: #WAO888526
In Stock
$59.67

sku: WAO888526, mpn: 888526, ean: 0098268810363,

4.2 out of 5 stars with 55 reviews
WATTS 009M3 3/4'' CHECK VALVE/RELIEF VALVE RUBBER KITThis kit includes:2 Check Valve Seat O-ring2 Check Valve Disc Holder Assembly2 Cover O-ring1 Relief Valve Diaphragm1 Relief Valve Plate Disc1 Relief Valve Disc (molded disc)1 Relief Valve Seat O-ring.


3/4 Inch Swing Check Valve - WOG 200 PSI Stainless Steel SS316 CF8M NPT
3/4 Inch Swing Check Valve - WOG 200 PSI Stainless Steel SS316 CF8M NPT
By Dernord
In Stock
$16.99
$14.99
You Save: 12%

mpn: QW1501332, ean: 0689771291956,

4.0 out of 5 stars with 44 reviews
Swing Check Valve is used to help direct flow in one direction. The stainless steel bodies are highly corrosion resistant allowing these check valves to be used with a wide variety of fluids including, but not limited to water, oil, gas, air, light alkali's, acids, biodiesel, fuels and alcohols. Swing Check Valve is for horizontal use only. When fluid pushes on the stopper in the correct direction, it will ''swing'' open to allow flow. If flow moves in the opposite direction, it will swing


Watts 0888116 2nd Check Assembly Repair Kit 3/4'' 919 Second #2 888116
Watts 0888116 2nd Check Assembly Repair Kit 3/4" 919 Second #2 888116
By Watts
In Stock
$44.78

mpn: 0888116, ean: 0098268073256,

4.5 out of 5 stars with 202 reviews
3/4'' WATTS 919 2ND CHECK ASSEMBLY REPAIR KIT.


Fill-Rite KIT700CV Kit, check Valve Assembly 700 Series
Fill-Rite KIT700CV Kit, check Valve Assembly 700 Series
By Fill-Rite
In Stock
$37.81
$33.04
You Save: 13%

mpn: KIT700CV, ean: 0089404216323,

4.8 out of 5 stars with 10 reviews
Built into every fuel transfer pump, chemical transfer pump and meter is over 50 years of experience—and the pride and workmanship associated with the moniker “Made in USA”. We use only the most durable materials to insure long life and dependability. Fill-Rite and Sotera branded products deliver superior performance time and time again, regardless of the application or installation.Includes Factory Warranty. Includes Full Warranty.


SPX Power Team 9596 In-Line Manual Load Lowering Valve for Single Acting Cylinder
SPX Power Team 9596 In-Line Manual Load Lowering Valve for Single Acting Cylinder
By SPX POWER TEAM
In Stock
$452.05

mpn: 9596, ean: 0662536127820,

4.4 out of 5 stars with 7 reviews
Pressure relief valve setting is 12,000 psi. Operating pressure is 10,000 psi and max. flow rate is 5 gpm.Precision metering for controlled cylinder piston return. Permits free flow when extending cylinder, built-in pressure relief and Position-Check locks and holds load in raised position until operator opens valve. Valve. May be pre-set to provide consistent metered return, or operator may select rate of return with each actuation. Has 3/8'' NPTF ports.


Clippard MJCV-1AB Check Valve, 1/8'' Ports Arrow on Valve Body Indicates Direction of Flow(Female-to-Male)
Clippard MJCV-1AB Check Valve, 1/8" Ports Arrow on Valve Body Indicates Direction of Flow(Female-to-Male)
By clippard
In Stock
$13.54

mpn: MJCV-1AB,

4.4 out of 5 stars with 148 reviews
Four varieties of check valves are offered by Clippard. Each permits flow in one direction only. All have bright dipped brass bodies that provide inline mounting, Nitrile seals and stainless steel springs as standard. The MCV-2 has #10-32 ports and a “duckbill” seal. The MCV-1 series has #10-32 ports and a brass poppet. The MJCV-1 series has 1/8” NPT ports and a Zytel 80G33 poppet. The GCV has 1/4” and 3/8” NPT ports.Medium Air or Hydraulic. Air Flow 39 scfm @ 50 psig; 70 scfm @ 100


Silent Combo Check Valve with Ball Valve 2''
Silent Combo Check Valve with Ball Valve 2"
By Zoeller
In Stock
$52.21
$51.27
You Save: 2%

mpn: 30-0048, ean: 0053514286323,

4.1 out of 5 stars with 269 reviews
' Check Valve with Ball Valve, Material of Construction PVC, Size 2 In., Connection Type Solvent, Length 16-1/8 In., Width 5 In., Overall Height 5 In., Cap to Inlet Center 3-1/2 In., Max. Temp. 130 Degrees F, Mounting Position Vertical or Horizontal, Seat Material PVC, Spring Material Steel, Seal Material Buna N, Flow Full Flow 'Price For: Each Material of Construction: PVC Max. Temp.: 130 Degrees F Seat Material: PVC Flow: Full Flow Sub-Category: PVC Item: Check Valve with Ball Valve Seal


DN Air Water Oil 1/4'' BSPP Female Full Ports One Way Check Valve (Pack of 5)
DN Air Water Oil 1/4" BSPP Female Full Ports One Way Check Valve (Pack of 5)
By ND
In Stock
$59.99
$10.39
You Save: 83%

mpn: 10904918,

4.9 out of 5 stars with 280 reviews
Note: The color of the item may vary slightly due to photography and your own computer 1/4'' BSPP Female Full Ports One Way Air Check Valve Fit for crossing the water, air, oil and some other chemical mediums Fluid: Air Port Size: 1/4'' Operating Pressure: 0-10kgf/cm² Operating Temperature Range: 0-70°C Material: Plating Solid Brass Seal: NBR Length: 39mm Weight: 180g Package included: 5 x Air Check ValvePort Size: 1/4''. Seal: NBR.


ProPlumber Check Valve PVC 3/4''
ProPlumber Check Valve PVC 3/4"
By ProPlumber
In Stock
$13.92
$8.44
You Save: 39%

mpn: PPCV75-PL, ean: 0659647910106,

4.3 out of 5 stars with 166 reviews
Plastic Check ValveKeeps prime in jet, submersible and centrifugal pump systems. Prevents backflow in well or irrigation systems.. 3/4-in x 3/4-in female NPT. Spring loaded positive sealing. Vertical or horizontal application. Maximum working pressure is 150 PSI at 73° Fahrenheit.


CONTROL CHK VALVE 1'' LF by CAMPBELL MfrPartNo CVB-4TLF
CONTROL CHK VALVE 1" LF by CAMPBELL MfrPartNo CVB-4TLF
By Campbell
In Stock
$22.07

mpn: CVB-4TLF, ean: 0088409120260,

4.1 out of 5 stars with 33 reviews
'Spring Check Valve with Taps, Material of Construction Low Lead Brass, Size 1 In., Connection Type FNPT, Length 3-1/2 In., Width 1-3/4 In., Overall Height 1-3/4 In., Max. Water Pressure 200PSI, Cracking Pressure 0.5 psi, Max. Temp. 190 Degrees F, Mounting Position Vertical or Horizontal, Seat Material Unleaded Bronze, Spring Material Stainless Steel, Screen Material Stainless Steel, Seal Material NBR Rubber SN-919F, Flow 18 gpm, Standards ASTM B62'Price For: Each Spring Material: Stainless



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