Lochinvar & A.O. Smith 100167794 Control Board 320819-301 OEM Reliability: Genuine Nordyne 631724

OEM Reliability: Genuine Nordyne 631724 componentry prevents the common "pin-push" issues often found in aftermarket generic harnesses

Always verify the capacitor rating on the motor nameplate before energizing the circuit

Common Questions: Is this bracket compatible with my specific package unit

making it suitable for outdoor use provided it is mounted in the recommended upright position to prevent water ingress

OEM Compatibility: Designed exclusively for Nordyne and Miller furnace series

Lochinvar & A.O. Smith 100167794 Control Board 320819-301 OEM Reliability: Genuine Nordyne 631724The Lochinvar & A. O. Smith 100167794 Main Control Board is the critical OEM replacement part required for restoring precise logic and sequence of operation to high efficiency commercial water heaters and hydronic boilers. Designed to function as the primary HVAC integrated furnace control, this board manages ignition timing, flame sensing, and temperature modulation to ensure the unit operates within manufacturer parameters. As a genuine Lochinvar