Pay in 4 interest-free payments of $18.75 Learn more
Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Replacing a worn pump restores proper water circulation
long-lasting build: glass-filled polypropylene wet end
We'll help identify the correct replacement before you purchase
Not a standalone microbubble generator—it produces microbubbles only when paired with the appropriate MicroBubble components and Diverter Valves
spa operators refreshing guest suites
CAST-201-01-01-03D Variable-Speed Blower Control Replacement used Replacing a worn pump restoresConfirmed 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:
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