Nordyne 1016380R PC/Control Board If you have 120V entering

If you have 120V entering the primary side but no 24V on the secondary side

Tool-Free Deployment: Durable thermoplastic construction allows for manual snap-on installation to speed up panel assembly

the relay has effectively locked out the circuit due to a detected fault

This key is primarily used with the Honeywell CG510

Can this be used for combustion air proving

Nordyne 1016380R PC/Control Board If you have 120V enteringThe Nordyne 1016380R PC Control Board is the definitive OEM replacement control board for Nortek Global HVAC systems, specifically engineered for Intertherm and Miller manufactured housing units. This furnace control module serves as the central intelligence for your air handler or furnace, managing high voltage blower timing and low voltage thermostat signals. As a direct successor to legacy part numbers 624735, 624735R, and 624735 B, this 1016380R