The Toyotomi Main Circuit Board, part number 20471312, is a replacement electronic control board designed for select Toyotomi Laser vented heater models. This circuit board supports normal heater operation by managing key control and safety functions, helping restore proper performance when the original board is damaged, failing, or non-responsive.
What’s included: one replacement main circuit board.
Installation limits: the circuit board must be installed according to the heater manufacturer’s service instructions. The heater must be powered off before service, and wiring connections must be matched and secured exactly as specified to prevent damage and ensure safe operation.
Compatibility: Compatible with Toyotomi Laser 731 and Laser 732 heater models.