Lochinvar & A.O. Smith 100304140 Control Board 321142-301 Key Benefits: Universal Compatibility: Operates

Key Benefits: Universal Compatibility: Operates heat pumps

OEM Compatibility: Guaranteed fit for Trane and American Standard Voyager and Precedent rooftop units

as a Genuine Carrier Part

4-leg blower motor bracket engineered for high-stability motor installations in residential and light industrial furnace applications

What is the primary function of this overload protector

Lochinvar & A.O. Smith 100304140 Control Board 321142-301 Key Benefits: Universal Compatibility: OperatesThe Lochinvar & A. O. Smith 100304140 Control Board is a critical main control board designed for high efficiency Knight Fire Tube boilers, specifically the WHB285 and KHB285 models. As a central component of the SMART SYSTEM operating control, this board manages complex hydronic functions, including 10: 1 turndown ratio modulation, blower speeds, and gas valve timing. It effectively processes real time data from water temperature sensors and flame