Toyotomi WiFi Module 20471101 adds Wi-Fi connectivity to compatible Toyotomi Laser vented heaters. It is designed for the Laser 301, Laser 302, Laser 531, Laser 532, Laser 731, and Laser 732 models. The module provides the hardware needed to add the heater's supported connected functionality. It is a model-specific component for owners and technicians adding or replacing the Wi-Fi module in a compatible heater. Toyotomi's official parts documentation identifies 20471101 as the WiFi module, while Rural Energy confirms compatibility with all six listed models.