000 BTU rating

As a direct Belimo OEM accessory

For high-output boilers or furnaces

Using a genuine HVAC thermal fuse ensures the system stays within manufacturer specifications for safety and performance

ensuring the entire venting system is restored to factory spec

Lochinvar & A.O. Smith 100110163 Circuit Board 320074-702 000 BTU ratingThe Lochinvar & A. O. Smith 100110163 Circuit Board is a critical OEM replacement part designed for high efficiency residential and commercial water heaters. As a veteran grade draft motor control board, this component manages essential combustion system parameters, including blower motor timing and ignition sequence protocols. Field technicians rely on this PC board to resolve frequent ignition failure codes and intermittent power cycling issues. By