05/24/2018-10/2023 2-pump SMT system (North American/Export) for 780 Series (Except Dover)
Fits the following Sundance Spas:
05/24/2018-10/2023 780 Bristol, Chelsee, Hamilton, Hanover, and Montclair
Replaced P/N 6600-116
6 Month Manufacturer Warranty
