Watkins Caldera Spas – Circuit Board PCB: Advent Main Control Board – 77089

Factory Replacement Motherboard for All Advent Control Boxes (73181) Found on All Caldera Utopia and Paradise Models (2002-08).

Requires:
AI # 3-72-8000A Main Control Board
AI # 3-60-0019 / MFG # 77119 Heater Relay Board – Sold Separately

On 2002-03 Models, Recommended to Replace the Topside as Some of the Older Topsides are Not Compatible With the New Board.