Hot Spring / Tiger River IQ 2020 Spa Control Box made by Watkins
(main circuit board enclosed in a protective casing) PN: 0974201
I purchased this and the top-side control panel to repair a non-working Tiger River Hot Tub. It turned out that all it needed was the Top-Side panel. The Control box is still new in the factory packaging and was never used.
It fits the following hot tubs: