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Choose from our selection of PVC check valves, including threaded check valves, high-flow threaded check valves, and more. Same and Next Day Delivery.

HYDROSEAL Sharkfellow 1’’ PVC True Union Ball Check Valve with Full Port, ASTM F1970, with EPDM Seals, Corrosion-Free, Service Free, Rated at 200 PSI @73F, Gray, 1 inch Socket (1'')

This 1 inch two-way universal flow check valve is used in commercial and residential hydronic heating systems to provide positive gravity shutoff when the circulator is not running and prevents the flow of …

PlumbingSupply.com ® is your best source on the Web for PVC check valves, both swing and spring. Our selection of sizes, styles, and types of PVC check valves will ensure you'll find just what you …

We stock a wide selection of PVC Swing Check Valves. These are standard check valves that prevent 2 way flow. Browse our store for Competitive Pricing and Fast Shipping.

Various check valves such as flapper check valves, true union check valves, and corrosion resistant check valves can be found in this category by brands such as Bluefin, NDS, and Hayward.

The PVC Check Valve permits water to flow in one direction within a line. It acts as a backflow prevention device to prevent water from backing up into municipal, residential or commercial water …

Prevent water backflow with PVC one-way check valves from NDS. Ensure efficient flow and protect your irrigation and drain systems from costly damage.

We offer a wide selection of PVC check valves including swing, spring, and unionized ball check valves. Purchase the plastic check valves you're looking for today at FlexPVC.