Toyotomi Heat Exchanger

The Toyotomi Heat Exchanger, part number 20478644, is a replacement heat transfer component designed for select Toyotomi and Toyostove vented heater models. The heat exchanger plays a critical role in transferring heat from the combustion process into the surrounding air, supporting efficient heater performance and consistent heat output.

What’s included: one replacement heat exchanger.

Installation limits: the heat exchanger must be installed according to the heater manufacturer’s service instructions. Power and fuel supply must be disconnected before servicing, and correct installation is required to ensure safe operation and proper heat transfer.

Compatibility: Compatible with Toyotomi and Toyostove vented heater models including Laser 73, Laser 730, Laser 730AT, Laser 731, and Laser 732.

• Replacement heat exchanger for select Toyotomi and Toyostove vented heaters
• Designed to transfer heat from combustion into usable room heat
• Supports efficient heater operation and consistent heat output
• Critical component in the heater’s heat transfer system
• Direct-fit service part for specified Toyotomi Laser series models
• Compatible with Laser 73, Laser 730, Laser 730AT, Laser 731, and Laser 732
• Genuine Toyotomi component for proper fit and dependable performance

Always follow the heater manufacturer’s service manual and safety guidelines when replacing heat exchanger components.