Hayward Perflex EC30/40/50 Bump Shaft (ECX1009) plugs or no longer giving dependable

or no longer giving dependable control over the selected flow path

Lochinvar air pressure switch

Replacement cartridge for compatible spa and pool filter housings using 40203

or worn screws during wheel

and better continuity with the original system design

Hayward Perflex EC30/40/50 Bump Shaft (ECX1009) plugs or no longer giving dependableThis 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