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Check Valves - 508 - Page 4 - Blowout Sale! Save up to 53%


Blowout Sale! Up to 53% off on Check Valves at In The National Interest, Page 4. Top brands include Valterra, Zurn, SHURFLO, American Valve, Smith-Cooper International, Parts2O, Zoeller, Campbell, Wayne, Parker, Mueller Steam Specialty, & Nibco. Hurry! Limited time offers. Offers valid only while supplies last.



Check Valve, 3/4in, Slip x Slip, Clear
Check Valve, 3/4in, Slip x Slip, Clear
By Valterra
In Stock
$11.20
$8.12
You Save: 28%

mpn: 200-C07, ean: 0019079700278,

4.1 out of 5 stars with 94 reviews
' Check Valve, Material of Construction PVC, Size 3/4 In., Connection Type Slip x Slip, Length 2-5/16 In., Width 2-5/16 In., Overall Height 4 In., Max. Water Pressure 150 psi, Cracking Pressure 0.5 psi, Max. Temp. 73 Degrees F, Mounting Position Any...


Zurn 34-950XLT2 Wilkins Double Check Valve Backflow Preventer 3/4'' Lead Free
Zurn 34-950XLT2 Wilkins Double Check Valve Backflow Preventer 3/4" Lead Free
By Zurn
In Stock
$135.49
$110.67
You Save: 18%

mpn: GID-483115LF, ean: 0612052072470,

4.5 out of 5 stars with 147 reviews
Suitable for residential commercial industrial irrigation marine and fire protection applications.Prevents the reverse flow of water gases or other substances into the distribution system of the potable water supply.Double check valve assembly comple...


Valterra 200-C15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2'' Slip
Valterra 200-C15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Slip
By Valterra
In Stock
$17.35
$8.23
You Save: 53%

mpn: 200-C15, ean: 0753610336952,

4.1 out of 5 stars with 28 reviews
This Valterra 200-C15 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 th...


SHURFLO 94-232-06 Water Pump Valve Assembly
SHURFLO 94-232-06 Water Pump Valve Assembly
By SHURFLO
In Stock
$19.14
$13.74
You Save: 28%

mpn: 9423206, ean: 0078433286728,

4.2 out of 5 stars with 33 reviews
Model 2088 Repair Parts Valve Assembly Kit-Check Valve and Switch Assembly...


American Valve G31SL 3/4'' Lead-Free Brass Spring Loaded In-Line Check Valve with Fip Threaded Ends, 3/4''
American Valve G31SL 3/4" Lead-Free Brass Spring Loaded In-Line Check Valve with Fip Threaded Ends, 3/4"
By American Valve
In Stock
$12.53
$11.89
You Save: 5%

mpn: G31SL 3/4, ean: 0611918102054,

4.3 out of 5 stars with 203 reviews
The American Valve G31SL is a lead-free spring check valve with female threaded ended. This in line check valve is designed to prevent backflow. It may be used vertically or horizontally.Complies with lead-free Plumbing laws. May be used vertically o...


Smith-Cooper International CV30L Series Brass Check Valve, Potable Water Service, 1'' NPT Female
Smith-Cooper International CV30L Series Brass Check Valve, Potable Water Service, 1" NPT Female
By Smith-Cooper International
In Stock
$18.33

mpn: 0209CV30KL, ean: 0092201383396,

4.7 out of 5 stars with 295 reviews
The Smith-Cooper International CV30L series check valve for potable water service is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to copper, brass, plastic, aluminum, an...


Valterra 200-C15W PVC Swing (No Spring) Check Valve, Clear, 1-1/2'' Slip
Valterra 200-C15W PVC Swing (No Spring) Check Valve, Clear, 1-1/2" Slip
By Valterra
In Stock
$13.31
$13.29

mpn: 200-C15W, ean: 0019079201560,

4.4 out of 5 stars with 145 reviews
This Valterra 200-C15W check valve is made of clear schedule 40 (standard wall) PVC for corrosion resistance, high strength, and less weight than fittings made from metal. It is compatible with schedule 40 PVC (polyvinyl chloride) pipes and fittings ...


Parts2O TC2503LF 1-Inch Foot Valve
Parts2O TC2503LF 1-Inch Foot Valve
By Parts2O
In Stock
$18.18

mpn: TC2503LF-P2, ean: 0022315344136,

4.9 out of 5 stars with 225 reviews
1" Foot Valve.Lead-free brass and stainless steel construction. 1" Threaded openings. Check valve and strainer in one. ...


Zoeller 30-0151 2-Inch Cast Iron Slip x Slip Check Valve Union
Zoeller 30-0151 2-Inch Cast Iron Slip x Slip Check Valve Union
By Zoeller
In Stock
$40.50

mpn: 30-0151, ean: 0783961055219,

4.4 out of 5 stars with 37 reviews
30-0151 Features: -2" x 2" Slip cast iron check valve. -Designed for vertical or horizontal installation. -Full flow design allows for maximum efficiency. -Suitable for installation below basin cover. -Prevents fluid from returning to pit once pumped...


Valterra 200-20W PVC Swing (No Spring) Check Valve, White, 2'' Slip
Valterra 200-20W PVC Swing (No Spring) Check Valve, White, 2" Slip
By Valterra
In Stock
$19.64
$15.38
You Save: 22%

mpn: 200-20W, ean: 0019079902054,

4.1 out of 5 stars with 13 reviews
This Valterra 200-20W check valve is made of white 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...


Campbell Mfg Llc 2''  Quietsewage Chk Valve B-0823-20C Well Supply Accessories
Campbell Mfg Llc 2" Quietsewage Chk Valve B-0823-20C Well Supply Accessories
By Campbell
In Stock
$24.39
$22.29
You Save: 9%

mpn: B-0823-20C, ean: 0039172045069,

4.7 out of 5 stars with 16 reviews
2', Quiet Sewage Check Valve, No Slamming When Flapper Closes, Clear Heavy Duty PVC For Monitoring Check Valve Operation, True Union Design Allows For Easy Repair Or Pump Replacement, 1/2 LB Stainless Steel Spring, Solvent Weld Connection To Piping....


WAYNE 1-1/2 in. Check Valve With PVC Clamps
WAYNE 1-1/2 in. Check Valve With PVC Clamps
By Wayne
In Stock
$14.40

mpn: 66005-WYN1, ean: 0040066107442,

4.0 out of 5 stars with 35 reviews
Wayne pumps check valve, PVC body, 2-3/4 in overall length, 2-3/4 in overall width, 7 in overall height, black, includes: 1-1/2 in shoulder end Adapter, for use with all types of sump pumps. Wayne 66005-wyn1 1.5 in. Check valve kit. 1-1/2 inch pump t...


Zoeller 30-0181 PVC Plastic Check Valve, 1-1/2 Inch
Zoeller 30-0181 PVC Plastic Check Valve, 1-1/2 Inch
By Zoeller
In Stock
$19.79
$12.00
You Save: 39%

mpn: 30-0181, ean: 0074748353179,

4.6 out of 5 stars with 83 reviews
When you have residential or commercial wastewater issues, you can count on Zoeller Pumps to deliver the very best solutions-our commitment to top quality offers you years of service and durability.1-1/2 slip x slip unions. Flapper bends over a radiu...


Colorflow Check Valve - NPT
Colorflow Check Valve - NPT
By Parker
In Stock
$655.56

mpn: C2400S65,

4.5 out of 5 stars with 133 reviews
Parker Colorflow Check Valve - NPT Ports...


Parker C2400S Colorflow Check Valve - NPT
Parker C2400S Colorflow Check Valve - NPT
By Parker
In Stock
$655.56

mpn: C2400S,

4.5 out of 5 stars with 190 reviews
Parker Colorflow Check Valve - NPT Ports...


Parker Colorflow Check Valve - SAE Ports
Parker Colorflow Check Valve - SAE Ports
By Parker
In Stock
$575.59

mpn: C2020S,

4.2 out of 5 stars with 29 reviews
Parker Colorflow Check Valve - SAE Ports...


Colorflow Check Valve - SAE
Colorflow Check Valve - SAE
By Parker
In Stock
$575.59

mpn: C2020S65,

4.8 out of 5 stars with 267 reviews
Parker Colorflow Check Valve - SAE Ports...


Colorflow Check Valve - NPT
Colorflow Check Valve - NPT
By Parker
In Stock
$977.04

mpn: CS1200S65,

4.7 out of 5 stars with 260 reviews
Parker Colorflow Check Valve - NPT Ports...


Double Disc Check Valve, Cast Iron, 6 In.
Double Disc Check Valve, Cast Iron, 6 In.
By Mueller Steam Specialty
In Stock
$582.60

mpn: 6 71AHB3H,

4.1 out of 5 stars with 147 reviews
'Double Disc Check Valve, Material of Construction Cast Iron, Size 6 In, Fits Within ANSI Flanges Connection, Length 3 In., Rated For 200 PSI, Max. Temp. 100 F, Vertical Mounting Position, Spring Material 316 Stainless Steel, Seal Buna N, Standards ...


3inch PVC Check Valve with Socket Ends
3inch PVC Check Valve with Socket Ends
By Nibco
In Stock
$580.91

mpn: 18307, ean: 0653958199410,

4.9 out of 5 stars with 163 reviews
Not spring loaded but the design insures free movement of the ball. Ball supported by a system of guide ribs to give full flow with minimum turbulence and chatter. Union connections for easy access to valve components. Requires only inches of head pr...



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