Hayward AquaNaut 200/400 Drive Gear Large (PVXH007) skimfilters The PresAir Trol FF Switch

The PresAir Trol FF Switch [Center Spout] [Green Cam] [Threaded] (MTG-311A) is an air control or air switch component from Presair Trol

Filter cartridge for compatible applications using FC-2394

replacing it with the correct Pentair part can help restore both appearance and usability around the skimmer

Submersible pumps help move water in compatible low-flow or specialty applications where the pump operates while submerged

Hayward AquaNaut 200/400 Drive Gear Large (PVXH007) skimfilters The PresAir Trol FF SwitchAquaNaut cleaners rely on a balanced drive system to keep traction steady across pool floors, slopes, and obstacles. This large drive gear is made for compatible Hayward AquaNaut 200 and 400 cleaners and helps transfer movement through the cleaners internal gear train. Replacing a worn or damaged gear can help restore smoother movement, better climbing behavior, and more consistent coverage. It is a practical repair part for cleaners that have begun