Herga 1-5/16" D Hard Air Bellow Internal (6470-ZZAB) usmotors Using a heater with the

Using a heater with the intended output and physical format helps the system heat consistently while avoiding unnecessary cycling

This replacement is especially useful when the original impeller is worn

Helps support dependable spa circulation and jet performance

When a spa uses specialized jet systems

Herga 1-5/16" D Hard Air Bellow Internal (6470-ZZAB) usmotors Using a heater with theAn internal air bellow helps create the pneumatic pressure transfer needed in a compatible air button system, and this Herga Electric version is a hard 1 5 16 inch diameter design using the 6470 ZZAB reference. Air bellows are useful because they help the button assembly communicate pressure to the remote switch mechanism without putting direct electrical contact at the button location. This part has practical value because the hard bellow