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Check Valves - 508 - Page 2 - Super Savings! Save up to 31%


Super Savings! Up to 31% off on Check Valves at In The National Interest, Page 2. Top brands include Watts, Watts Regulator, clippard, Control Devices, Prince Manufacturing, PROLINE, Zurn, Duda Energy, Thomas, SuperWhole, Smith-Cooper International, NDS, Watts Regulator Co., Flotec, Dernord, Febco, AY McDonald, & Valterra. Hurry! Limited time offers. Offers valid only while supplies last.



Watts LF007M2-QT 1-1/2'' Lead Free Double Check Valve Assembly
Watts LF007M2-QT 1-1/2" Lead Free Double Check Valve Assembly
By Watts
In Stock
$335.00
$334.95

mpn: LF007M2-QT, ean: 0098268209761,

4.2 out of 5 stars with 29 reviews
Watts LF007M2-QT 1-1/2" Lead Free Double Check Valve AssemblyWatts LF007M2-QT 1-1/2" Lead Free Double Check Valve Assembly Features: Ease of maintenance "" only one cover Top entry Replaceable seats and seat discs Modular construction Compact design ...


WATTS LF919-QT 3/4'' REDUCED PRESSURE BACKFLOW PREVENTER
WATTS LF919-QT 3/4" REDUCED PRESSURE BACKFLOW PREVENTER
By Watts Regulator
In Stock
$262.95

mpn: LF919-QT 3/4", ean: 0098268238518,

4.8 out of 5 stars with 189 reviews
LF919 WATTS Lead Free* Reduced Pressure Zone Backflow PreventerSeries LF919 Lead Free* Reduced Pressure Zone Assemblies prevent the reverse flow of contaminated water from entering into the potable water supply due to backsiphonage and or backpressur...


Clippard GCV-4 Check Valve, 1/4'' Ports, 39 scfm @ 50 psig, 70 scfm @ 100 psig
Clippard GCV-4 Check Valve, 1/4" Ports, 39 scfm @ 50 psig, 70 scfm @ 100 psig
By clippard
In Stock
$18.72
$18.51
You Save: 1%

mpn: GCV-4,

4.5 out of 5 stars with 107 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...


Control Devices Brass Load Genie Unloading Check Valve, 1/2'' Tube Comp. x 3/8'' NPT Male
Control Devices Brass Load Genie Unloading Check Valve, 1/2" Tube Comp. x 3/8" NPT Male
By Control Devices
In Stock
$18.29
$18.00
You Save: 2%

mpn: CA12-1A,

4.2 out of 5 stars with 83 reviews
This Control Devices Load Genie unloading check valve releases trapped pressure in a compressor head. The valve body is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to c...


Prince Wolverine Carbon Steel Check Valve, 3/4'' NPT Female
Prince Wolverine Carbon Steel Check Valve, 3/4" NPT Female
By Prince Manufacturing
In Stock
$69.17
$47.72
You Save: 31%

mpn: WCV-1200,

4.7 out of 5 stars with 257 reviews
The Prince Wolverine check valve is designed to provide flow in one direction. The valve body is made of carbon steel for tensile strength and hardness. It has female NPT threads for connecting to male threaded pipes, creating a tighter seal than str...


Proline 101-404 IPS Low Lead Dual Check Valve, 3/4''
Proline 101-404 IPS Low Lead Dual Check Valve, 3/4"
By PROLINE
In Stock
$19.98
$18.51
You Save: 7%

mpn: 101-404, ean: 0032888014046,

4.8 out of 5 stars with 85 reviews
Since our beginning in 1917 as the Mueller metals co. And later Mueller brass co., Mueller industries has built a well-earned reputation for offering the finest-quality plumbing, hvac, refrigeration, and industrial products in the industry.Dual check...


Zurn Wilkins 112-950XLT2 Lead Free FNPT Double Check Valve Backflow Preventer Assembly, 1.5 Inch
Zurn Wilkins 112-950XLT2 Lead Free FNPT Double Check Valve Backflow Preventer Assembly, 1.5 Inch
By Zurn
In Stock
$475.37
$375.31
You Save: 21%

mpn: 12-850XL, ean: 0089836952837,

4.5 out of 5 stars with 96 reviews
Lead Free 1-1/2 in. Top Access Double Check Valve Assembly Valve is designed for installation on potable water lines to protect against both back-siphonage and backpressure of polluted water into the potable water supply. Assembly provides protection...


Duda Energy VCV-WOG1000-F050 Vertical Check Valve, 304 Stainless Steel, 1/2'' NPT Spring Loaded In-line Low Cracking Pressure, 0.5''
Duda Energy VCV-WOG1000-F050 Vertical Check Valve, 304 Stainless Steel, 1/2" NPT Spring Loaded In-line Low Cracking Pressure, 0.5"
By Duda Energy
In Stock
$13.20
$13.00
You Save: 2%

mpn: VCV-WOG1000-F050, ean: 0840194102933,

4.6 out of 5 stars with 143 reviews
Stainless Steel Check Valves Highly Corrosion Resistant with PTFE Seals by Duda Energy Check valves are used to help direct flow in one direction. The stainless steel bodies and PTFE seals are highly corrosion resistant allowing these check valves to...


Thomas 3297 Kynar and Viton Chemical Resistant Check Valve, 1/4'' Diameter x 1-1/4'' Length, 0 to 50 PSI, -40 to 126 degree C (Pack of 6)
Thomas 3297 Kynar and Viton Chemical Resistant Check Valve, 1/4" Diameter x 1-1/4" Length, 0 to 50 PSI, -40 to 126 degree C (Pack of 6)
By Thomas
In Stock
$48.48

mpn: 3297,

4.8 out of 5 stars with 281 reviews
Tubing barbed check valves are constructed of chemical-resistant kynar body and viton valve for an inert high purity smooth and clear flow path. Prevents damage to equipment, pumps, and flow systems by preventing backflow. Use with acids, bases, wate...


1'' Swing Check Valve WOG 200 PSI PN16 Stainless Steel SS316 CF8M NPT
1" Swing Check Valve WOG 200 PSI PN16 Stainless Steel SS316 CF8M NPT
By SuperWhole
In Stock
$18.99
$18.30
You Save: 4%

mpn: 1, ean: 0702082817629,

4.1 out of 5 stars with 12 reviews
Stainless Steel Check Valves Highly Corrosion Resistant with PTFE Seals by SuperWhole Check valves are used to help direct flow in one direction. The stainless steel bodies and PTFE seals are highly corrosion resistant allowing these check va...


Smith-Cooper International CV40 Series PVC Check Valve, 2'' NPT Female
Smith-Cooper International CV40 Series PVC Check Valve, 2" NPT Female
By Smith-Cooper International
In Stock
$15.53

mpn: 0209CV40N, ean: 0092201132352,

4.5 out of 5 stars with 210 reviews
The Smith-Cooper International CV40 series check valve is made of schedule 40 (standard wall) polyvinyl chloride (PVC) for corrosion resistance, high strength, and less weight than fittings made from metal. It is compatible with schedule 40 PVC pipes...


1-1/4'' Hub PVC Swing Check Valve
1-1/4" Hub PVC Swing Check Valve
By NDS
In Stock
$26.67
$21.34
You Save: 20%

mpn: 1520-12GR,

4.4 out of 5 stars with 214 reviews
'Swing Check Valve, Material of Construction PVC, Size 1-1/4 In., Connection Type Hub, Length 5-1/8 In., Width 3-1/2 In., Overall Height 3-1/2 In., Max. Water Pressure 150 psi @ 70 Degrees F, Cracking Pressure 0.25 psi, Max. Temp. 140 Degrees F, Mou...


Control Devices Brass Load Genie Unloading Check Valve, 3/4'' Tube Comp. x 1/2'' MPT
Control Devices Brass Load Genie Unloading Check Valve, 3/4" Tube Comp. x 1/2" MPT
By Control Devices
In Stock
$31.12

mpn: CA24-1A, ean: 0094700355287,

4.3 out of 5 stars with 241 reviews
A compressor running in a "start-stop" mode operates more efficiently if the pressure trapped in the compressor head and discharge line is released after each pump-up cycle. This allows smoother starts and the use of a motor with lower starting torqu...


Control Devices Brass Load Genie Unloading Check Valve, 3/4'' NPT Female x NPT Male
Control Devices Brass Load Genie Unloading Check Valve, 3/4" NPT Female x NPT Male
By Control Devices
In Stock
$41.79

mpn: PA48-1A, ean: 0094700355256,

4.4 out of 5 stars with 86 reviews
The Control Devices Load Genie unloading check valve releases trapped pressure in a compressor head. The valve body is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to co...


Watts 0061657 3/8'' SD3-MF Dual Check Valve
Watts 0061657 3/8" SD3-MF Dual Check Valve
By Watts Regulator Co.
In Stock
$89.55

mpn: 0061657, ean: 0098268848953,

4.1 out of 5 stars with 171 reviews
Sd3-mf 3/8" ss venteddualckvlv...


Flotec TC2502LF Well Pump Brass Check Valve
Flotec TC2502LF Well Pump Brass Check Valve
By Flotec
In Stock
$15.49
$13.75
You Save: 11%

mpn: TC2502LF, ean: 6919289914950,

4.1 out of 5 stars with 213 reviews
TC2502LF Features: -Check valve. -Low lead, carded. -Prevents water from back flowing. -Brass construction. Product Type: -Valve. Country of Manufacture: -United States. Dimensions: Overall Height - Top to Bottom: -3.8". Overall Width - Side to Side:...


1/2 Inch Swing Check Valve - WOG 200 PSI Stainless Steel SS316 CF8M NPT
1/2 Inch Swing Check Valve - WOG 200 PSI Stainless Steel SS316 CF8M NPT
By Dernord
In Stock
$14.99
$12.99
You Save: 13%

mpn: QW1501331, ean: 0689771291949,

4.4 out of 5 stars with 272 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 a...


Febco 905044 Single Check Repair Kit for 3/4'' 1'' & 1-1/4'' Febco 825-Y -YA -YS -YAS -YAR Backflow Preventer 905-044
Febco 905044 Single Check Repair Kit for 3/4" 1" & 1-1/4" Febco 825-Y -YA -YS -YAS -YAR Backflow Preventer 905-044
By Febco
In Stock
$40.25

mpn: 905-044, ean: 0723861899926,

4.0 out of 5 stars with 206 reviews
This is a check assembly for the Febco 825Y series reduced pressure zone backflow preventers. This kit includes rubber parts for both check assemblies and relief valve. Genuine Febco repair parts. Febco 905-111 (2) Check Disc Rubber (2) Cover ...


AY McDonald 2065S 2'' Silent Union Check Valve
AY McDonald 2065S 2" Silent Union Check Valve
By AY McDonald
In Stock
$39.95

mpn: 2065S 2", ean: 0053565424552,

4.3 out of 5 stars with 214 reviews
AY McDonald 2065S 2" Silent Sewage Pump Check Valve. Excellent for heavy duty ejector pump applications. Non-metallic and cannot corrode.Eliminates the typical hammering of a sump check valve after the pump cycles. True union swing design. Easy remov...


Valterra 200-C20 PVC Swing/Spring Combination Check Valve, Clear, 2'' Slip
Valterra 200-C20 PVC Swing/Spring Combination Check Valve, Clear, 2" Slip
By Valterra
In Stock
$14.69

mpn: 200-C20, ean: 0753610472391,

4.9 out of 5 stars with 261 reviews
This Valterra 200-C20 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 it...



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