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2-1/2 inch face-diameter directional smooth-scale design
A properly selected pack helps restore intended filtration performance and contributes to cleaner maintenance results
Therm 6 kW heater assembly
temperature
Herga 1-5/16" D Hard Air Bellow Internal (6470-ZZAB) aquacal 2-1/2 inch face-diameter directional smooth-scaleAn 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
