The Toyotomi Circuit Main Board, part number 20476612, is an OEM electronic control board designed to manage heater operation, safety monitoring, and system logic, restoring proper functionality and reliable performance in compatible Toyotomi oil heaters.
What’s included: One (1) Toyotomi circuit main board.
Installation limits: Intended for replacement during heater service; installation should be performed with electrical power disconnected and in accordance with Toyotomi wiring and service procedures.
Compatibility: Compatible with Toyotomi BS36UFF and OM-148 oil heater models.