Atwood 93257 Wiring Diagram. Dometic (atwood) 91367 replacement water heater control circuit board kit. From what i could find out about your current circuit board, the atwood replacement control panel # at91367 will be a direct replacement. Heater To Circuit Board 4" Cables 480023 from spacare.com I have an atwood 93257 ignition control circuit board, […]