Hayward AquaNaut 400 Gear Shaft (PVXH020SA) mermade Replacement CMP jet component for

Replacement CMP jet component for compatible spa or pool jet assemblies

In larger shaft applications

It is a practical maintenance part when dependable suction-side sealing is important to the overall health of the pump

A heater assembly like this is useful because it provides the full in-line heating function in a supported configuration that includes the specific mounting or connection details the installation depends on

Hayward AquaNaut 400 Gear Shaft (PVXH020SA) mermade Replacement CMP jet component forThis gear shaft is used in compatible Hayward AquaNaut 400 cleaners as part of the drive and steering system. A worn gear shaft can affect movement, traction, or internal gear engagement, leading to uneven cleaning patterns. Replacing the shaft during a drivetrain repair helps restore smoother mechanical operation. Designed for compatible AquaNaut 400 cleaner assemblies Supports gear engagement inside the cleaner drive system Helps correct worn or