this component is designed to maximize static pressure while minimizing the decibel output of the air handler

60 inches of water column (WC)

Integrated as a primary safety limit

Key Benefits Universal Compatibility: Direct replacement for 120V systems

High Thermal Stability: Maintains sealing integrity under fluctuating temperatures and high-pressure steam cycles

Lochinvar & A.O. Smith 100330184 Control Board 321142-301 this component is designed toThe Lochinvar & A. O. Smith 100330184 Integrated Control Board is a critical component for managing terminal functions in commercial water heaters and high efficiency boilers, including the AWH0400 series. Built to handle complex ignition control sequences and safety protocols, this OEM replacement part regulates the draft inducer blower, silicon nitride igniter, and gas valve timing to ensure precise thermal modulation. As a main controller module,