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The ASHLAND WATER GROUP PCV100 is a 1-inch plastic spring loaded check valve designed to allow flow in one direction while preventing backflow in piping and fluid handling systems. The spring mechanism provides positive shutoff when flow stops or reverses, protecting equipment and maintaining system pressure. Constructed from plastic, this valve is suited for applications where corrosion resistance and lightweight construction are priorities. Licensed plumbers and water treatment technicians are the typical installers for this type of inline check valve.
The PCV100 is used in residential and light commercial plumbing, water treatment, irrigation, and fluid distribution systems where backflow prevention is required. It is typically installed inline on 1-inch pipe runs to protect pumps, water heaters, filtration systems, and related equipment from reverse flow and pressure fluctuation. The valve is sold in a package quantity of 6 units, making it practical for service contractors stocking common repair components.
Designed as an OEM-style replacement or new-installation check valve for 1-inch plastic or compatible pipe systems in residential and light commercial plumbing and fluid handling applications.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC guidelines. Shut off the water supply and relieve system pressure completely before cutting into any existing line. Verify flow direction arrow on the valve body is aligned with the intended flow direction prior to final connection. Avoid over-tightening plastic-threaded fittings, which can crack the valve body.
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