Best Distributor Check Valves in 2026

No lead brass construction

1 in. x 1 in. female NPT

Prevents backflow in well or irrigation systems

Schedule 40 PVC construction for strength and resistance to corrosion and mild chemicals

EPDM seal for resistance to water and oils

Maximum pressure rating of 150 psi

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

【Material】The one way check valves are made of PVDF, and the Diaphragm material is silicon rubber.

【Function】 These 3/8 Inch check valves are applicable for fluid systems to stop countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air.

【Size】Diameter: 3/8"barb, can fit 3/8" hose ID; Total length: 43mm/1.69 inch

Direct replacement - this HVAC control vacuum check valve is designed to match the fit and function of the original valve on specified vehicles

Restores functionality - this valve is made to fit and fully restore part functionality after the original valve fails

Durable construction - this part is made from quality materials to ensure reliable performance and long service life

Fluid Admitted: Air, Vacuum

Working Pressure:0-1.2Mpa

Negative Pressure:-100Kpa; Cracking Pressure: 0.4 Mpa.

++ Fibropool 2" Posi-Close check valve. it features 2" slip ports. Your 2" pipe will glue inside the port.

++ The valve is Spring loaded to open at 5 PSI.

++ CPVC construction allows temperature and impact resistance.

Country Of Origin: China

Model Number: 192304008

Item Package Dimension: 7.99999999184" L x 5.99999999388" W x 3.799999996124" H

Schedule 40 PVC construction for strength and resistance to corrosion and mild chemicals

EPDM seal for resistance to water and oils

Maximum pressure rating of 150 psi

Watts LF7R Series Dual Check Valves prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. They are designed for non-health hazard residential water system containment and continuous pressure applications.

The valves consist of a Lead Free cast copper silicon alloy body construction, with two compact replaceable plastic check modules, and stainless steel springs. They are installed immediately downstream of the residential water meter, in a vertical or horizontal position. Check with local inspection authorities for installation requirements.

Features: Tested and certified by NSF. The Watts LF7RU2-2 Model 0072203 Dual Check Valve has been tested and certified by NSF to meet NSF/ANSI standard 61 Annex G. This certification demonstrates that this valve meets the lead-free qualifications. Extremely Durable and Prevents Backflow. The Watts LF7RU2-2 Model 0072203 Dual Check Valve is extremely durable. Not only does this valve prevent backflow, but it also can withstand temperatures up to 180° F and work with pressures up to 175 PSI.

Product Type: Auto Part

Package Quantity: 1

Country Of Origin: Mexico

Check valve to ensure flow of oil in only one direction when hydraulic piston extends

Lever to manually open valve to allow backflow of oil when piston retracts

For use in load-holding applications with double or single-acting cylinders (sold separately)

1pc 17mm - 5/8in

0 PSI Cracking Pressure

Operating pressure 0-100 PSI

Swing Check Valve,PVC,3",Solvent Weld

Five interchangeable nozzles (1.5 nozzle preinstalled)

Five Interchangeable Nozzles To cover varying flow and radius requirements (comes pre-installed with a 1.5 nozzle).

Part And Full Circle In One Offers convenience and reduces inventory requirements.

Made in Taiwan

Fit type: Vehicle Specific

Package Weight: 0.25 pounds

Item-Stop Strainer Check Valve Kit

For Use With-Wash Fountains

For Use With Mfr. Model Number-S93-570 S93-535 S93-595 S93-596 S93-597 S93-602