Hot Spring Spas, Circuit Board, Watkins, IQ2020 Main Board
Main circuit board for IQ2020 systems used in Hot Spring, Tiger River and Limelight Spas from 2001 to mid 2009.
Verify your thermistors are connected directly to the board, if they connect to the outside of the box you will need to replace the sensors as well.
Complete IQ2020 box is no longer available as complete unit. This board is used with Heater Relay board 74618.
The Spa Mechanic's categories of Parts is in the column along the left.
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