This IQ 2020 spa control system is the replacement for the discontinued IQ 2020 control box (73223 Invensys circuitry) that was used on all 2001-2009 5 Hot Spring, Tiger River, and Limelight spas This control box is also the retrofit upgrade replacement for ...read more

Obsolete, This Control box is currently unavailable as a complete unit The Heater Relay board (77118) and Motherboard (Main Board 78039) which are the Invensys circuitry are sold individually, you will need to re-use the black control box housing Factory ...read more