Osburn Part Quick Connect Thermodisc Kit

The AC02055 thermodisc is a heat-sensing temperature switch that mounts to the stove body and connects inline between the blower's power supply and the blower motor. It monitors the temperature of the stove body and automatically provides power to the blower when the stove heats up to the thermodisc's activation threshold during operation, starting the blower without any manual switching by the owner. When the stove cools after the fire has gone out, the thermodisc automatically cuts power to the blower and shuts it off. This eliminates the need for the owner to manually turn the blower on after lighting the stove and off again after the fire is extinguished.

Some Osburn blower assemblies such as the AC02023 for the Osburn 950 include a thermodisc as an integrated component of the blower assembly kit. Other Osburn blower assemblies are supplied without a thermodisc and are operated manually through their speed controller rheostat alone. The AC02055 quick connect thermodisc kit is an add-on accessory that can be installed on a compatible blower assembly that does not already have a thermodisc, converting it from manual operation to automatic temperature-activated operation. The quick-connect terminals on the AC02055 allow it to be added to a compatible existing blower installation quickly and without extensive rewiring.

The quick-connect designation refers to the wiring terminal connectors on the AC02055, which are designed to make direct push-on or snap-on connections to compatible terminals on the blower assembly wiring without requiring wire splicing, terminal crimping, or soldering. This allows the thermodisc to be connected to the blower's power circuit quickly and cleanly during installation. The quick-connect design also makes the thermodisc straightforward to remove and replace if it requires servicing or replacement in the future, as the connections can be disconnected and reconnected without cutting any wires.

Compatibility of the AC02055 with a specific Osburn wood stove model must be confirmed against the blower and thermodisc accessories section of the owner's manual for that appliance, or by consulting an authorized Osburn dealer. The owner's manual will specify which blower assembly and thermodisc part numbers are approved for use with the specific stove model. The AC02055 is designed for use with compatible blower assemblies — confirming that the blower installed or to be installed on the stove is compatible with the AC02055 thermodisc before ordering is necessary to ensure correct component matching.

All installation of the AC02055 thermodisc must be performed only when the stove is fully cooled to ambient temperature, as the stove body surfaces that the thermodisc mounts to retain heat for an extended period after the stove has been in operation. All electrical connection work must be performed by a qualified technician. All installation must follow the step-by-step instructions in the AC02055 owner's manual. After installation, the power cord must be routed so that it does not contact any heated surface of the stove body during operation.

The AC02055 is an OEM part manufactured by Stove Builder International, the parent company that manufactures Osburn heating appliances and accessories. As an OEM SBI part, it is the factory-specified thermodisc for compatible Osburn wood stove blower applications and is also applicable across compatible stoves sold under SBI brand names including Drolet, Flame, Enerzone, and Century. Using the OEM part number ensures compatibility with the blower assembly and stove wiring as specified in the owner's manual, and maintains compliance with the manufacturer's installation requirements for the blower system.