Balboa Genuine AX10A4 Aux Topside w/o Overlay (G8914) bussfuses the PS-1903 gives the rebuild

the PS-1903 gives the rebuild a more premium foundation

When seal-related wear begins to affect the pump

The Gecko communication cable is designed for compatible in

Useful when the original tailpiece is cracked or worn

Balboa Genuine AX10A4 Aux Topside w/o Overlay (G8914) bussfuses the PS-1903 gives the rebuildThe Balboa AX10A4 auxiliary topside is designed for compatible spa control applications where an auxiliary interface needs replacement. A topside control is useful because it gives the user convenient access to selected spa functions, supporting easier operation and a more refined control layout. This replacement is especially useful when the original auxiliary topside is damaged, nonresponsive, or no longer communicating correctly with the system.