CAST-201-01-01-03D Variable-Speed Blower Control Replacement PA01000UCS 1-1/2" plumbing — balanced water

1-1/2" plumbing — balanced water flow that produces even jet coverage across the tub for a consistent

DIY enthusiasts upgrading tubs or spa air delivery networks for cleaner

It’s the practical solution for replacement parts that keep your wellness routine flowing smoothly—without the guesswork or downtime

working closely with whirlpool manufacturers

In chemical and fermentation workflows

CAST-201-01-01-03D Variable-Speed Blower Control Replacement PA01000UCS 1-1/2" plumbing — balanced waterConfirmed application: CAST 201 01 01 03D Set this Balboa 99633 replacement to Program #2 (green LED). CAST 201 01 01 03D Variable Speed Blower Control Replacement This programmable Balboa 99633 control replaces the discontinued NuWhirl CAST 201 01 01 03D used with 120V variable speed air blowers. Not sure which CAST 201 version you have? Read our NuWhirl CAST 201 Control Replacement Guide before ordering. Program #2 provides the correct operation: