Hayward Perflex EC30/40/50 Bump Shaft (ECX1009) plugs Lochinvar air pressure switch

Lochinvar air pressure switch

Replacement cartridge for compatible spa and pool filter housings using 40203

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

or no longer giving dependable control over the selected flow path

OEM Pentair Max-E-Glas and Dura-Glas diffuser

Hayward Perflex EC30/40/50 Bump Shaft (ECX1009) plugs Lochinvar air pressure switchThis 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