The Hayward ECX4077B1 Check Valve is an essential component designed for various Hayward cartridge and diatomaceous earth (D.E.) filters. This OEM part ensures the smooth operation of your pool filtration system by preventing the backflow of water and chemicals, which can damage equipment and alter pool water chemistry.

• Check Valve Type - Swing
• Plumbing Type - Slip (s)
• Application - Water
• Compatibility - Specifically designed for use with Hayward’s Star Clear, Easy Clear, ASL, Perflex, and Regen-X filters.
• Functionality - Helps maintain the integrity and efficiency of the filtration system by preventing the reverse flow of water and chemicals.
• Design - Features a swing-type mechanism that allows for easy flow of water in the correct direction while automatically blocking any backward movement.
• Ideal for pool owners who use Hayward filtration systems and are looking to maintain or enhance the performance and safety of their pool equipment.
• Essential for ensuring that filtered water does not return to the pool containing higher concentrations of chemicals or debris.
• The slip connection allows for straightforward installation without the need for complex tools or plumbing modifications.
• Regular checks are recommended to ensure the valve functions properly without any leaks or damage.

Fitment Guidelines:
For use with Perflex(R) EC65/EC65A/EC75/EC75A/EC50A/EC50AC/EC30/EC40/EC40AC Extended-Cycle DE Filter, EasyClear(TM) C400/550, ASL C850/C1250, StarClear(TM) Cartridge Filters and ReGenX(TM) RG450/RG700 Grid Element DE Filter

Additional Information:
Alternate Part Numbers - 4126, 4662-16, 610377025140, EC-4077-B-1, EC4077B1, HAY-051-1860, 17-150-1040