Hayward Perflex EC30/40/50 Bump Shaft (ECX1009) plugs Replacing the cartridge can help

Replacing the cartridge can help restore filter efficiency and support clearer water

Lochinvar air pressure switch

replacing it can help restore suction path integrity and make routine cleaner maintenance easier

Replacement cartridge for compatible spa and pool filter housings using 40203

Hayward Perflex EC30/40/50 Bump Shaft (ECX1009) plugs Replacing the cartridge can helpThis bump shaft is built for compatible Hayward Perflex EC30, EC40, and EC50 DE filter models. It helps operate the internal bump mechanism used to flex the filter tubes and dislodge accumulated DE and debris during routine maintenance. A worn or damaged shaft can make the bump handle difficult to use or prevent the filter from cleaning effectively. Replacing it helps restore the service function that makes Perflex filters easy to maintain. Bump shaft