This prevents hazardous incomplete combustion and protects the heat exchanger from operational stress

The included NTC thermistor sensor features 7

this component is essential when replacing a control board or adjusting system parameters for specific natural gas (NG) applications

or the unit failing to reach the set temperature during the winter season

The circuit board is protected by a conformal coating to resist moisture and contaminants

Lochinvar & A.O. Smith 100110217 Contactor 322838-754 This prevents hazardous incomplete combustionThe Lochinvar & A. O. Smith 100110217 Contactor is a critical OEM replacement part designed for heavy duty power switching in commercial boilers and high capacity water heaters. This 3 pole contactor is engineered to manage 30A inductive loads (25 FLA) and features a 120V coil, making it the standard specification for precise electrical regulation in high demand HVAC equipment. As a direct successor to the legacy part 100027716, it ensures seamless