The Toyotomi Thermistor A, part number 20476473, is a factory-authorized temperature sensing component designed for use in compatible Toyotomi direct vent heater systems. This thermistor monitors temperature conditions within the heater to support proper combustion control and operational safety. It is engineered to meet original manufacturer specifications for accurate temperature feedback and system integration.
This replacement sensor is used in approved Toyotomi heater models where Thermistor A is specified for temperature monitoring functions. Proper installation ensures the control board receives accurate thermal readings to regulate burner operation and maintain safe performance. Replacement should be performed according to Toyotomi service procedures with power disconnected prior to servicing.
What’s Included: One Toyotomi 20476473 Thermistor A temperature sensor.
Installation Limits: For use only in designated Toyotomi heater models requiring Thermistor A; must be installed according to manufacturer service instructions and electrical safety guidelines.
Compatibility: Compatible with Toyotomi BS36UFF, OM-148, and OM-180 heater models requiring part number 20476473.
