Draft Tube (L56, L73, L730, L731, L732, L730AT)

The Toyotomi Draft Tube, part number 20478683, is a replacement airflow component designed for select Toyotomi Laser vented heater models. This draft tube helps guide and stabilize combustion airflow inside the heater, supporting proper draft, efficient combustion, and reliable heater operation when the original draft tube is worn, damaged, or degraded. What’s included: one replacement draft tube. Installation limits: the draft tube must be installed according to the heater manufacturer’s service instructions. The heater must be powered off and fully cooled before service, and all related components must be properly aligned and secured to maintain correct airflow and safe operation. Compatibility: Compatible with Toyotomi Laser 56, Laser 73, Laser 730, Laser 731, Laser 732, and Laser 730AT heater models.