Balboa HydroAir nut

This nut is a common component of many Balboa HydroAir spa parts. It screws on the back of long and short wall fittings and Eyeball jets to hold them in place in the wall of the spa.

Dimensions
Internal thread diameter: 57 mm
External diameter at widest point: 84 mm

Part numbers
Balboa HydroAir: 10-3807, 30-3807