The Toyotomi Heat Exchanger, part number 20479844, is a replacement heat transfer component designed for select Toyotomi and OM-series vented heater models. This heat exchanger transfers heat generated during combustion into the surrounding air stream, supporting efficient heat output and reliable heater performance when the original heat exchanger is damaged, cracked, or no longer operating correctly.
What’s included: one replacement heat exchanger.
Installation limits: the heat exchanger must be installed according to the heater manufacturer’s service instructions. The heater must be powered off and fully cooled before service, and all mounting points, seals, and related components must be properly installed to ensure safe operation and correct heat transfer.
Compatibility: Compatible with Toyotomi OM-22, OM-23, Laser 530, Laser 531, and Laser 532 heater models.
