Refurbished Sundance/Jacuzzi circuit board controller 850 lcd. P/n 6600 – 092. 6600-155, 6600- 094, 6600-057, 6600-098, 6600-092, 6600-056 are the same boards with different micro chips. This board tested good and will perform like a new board. 2 external equipment such as pump, blower, and heater are drawing to much amperage which will damage the pc board. 3 Chemical or water damage. 4 An electrical surge. We have been repairing spa pc boards and spa controls for over 25 years. We will be able to determine Why a pc board has failed after inspecting it. Over 25 years of technical experience in the spa industry. The item “Spa control /Sundance/Jacuzzi spa circuit board 6600-092″ is in sale since Tuesday, October 20, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs”. The seller is “a-1spacontrol” and is located in Riverside, California. This item can be shipped to United States.