Hayward ECX4077B1 Check Valve for Perflex Extended-Cycle DE Filters, EasyClear and StarClear Cartridge Filters and ReGenX Grid Element DE Filters.
The Hayward ECX4077B1 check valve allows water to flow into the filter while preventing back-flow. If water is flowing from your filter back to your pump, inspecting your check valve should be job #1.
This part is used on several Hayward filters including Easy-Clear models, the Perflex family of filters, the Regenx, ASL, and Star-Clear.
Please refer to the schematic links for a full part listing of your filter!
4 out of 5
Posted by Matt on 25 Jun, 2018
The product was shipped in original Hayward wrapping and therefore is most likely as good as it gets. Still, I wouldn’t order it again as it is unclear to me how the elbow pipe (that houses the check valve) can be removed without breaking it. I ended up having to order the elbow pipe which comes with the check valve. Now I have a spare one. My advise: go straight for the replacement elbow.
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