As a genuine Armstrong repair part

universal replacement for residential AC units should spec the White-Rodgers 94-394 contactor

What is the proper mounting orientation

Ensure proper grounding of the burner assembly to maintain signal integrity across the sensing rod during the ignition sequence

Flexible Mounting: Operates efficiently in any orientation for tight cabinet configurations

Armstrong Furnace R07489B003 Relay As a genuine Armstrong repairThe Armstrong Furnace R07489B003 Relay is a critical 24V electromechanical component designed for precise switching in residential heating systems. This HVAC blower relay serves as a direct replacement for specific Armstrong and Concord furnace models, ensuring reliable signal transmission between the thermostat and the high voltage blower motor or inducer. Operating on a 24VAC coil voltage, this relay is engineered for high duty cycles, managing the