How do I confirm if my Carrier furnace requires the HD46MQ135

The maximum allowable wire length between the sensor and the thermostat or module is 300 feet

Constructed from durable galvanized steel and aluminum

Mixing fuel types can lead to hazardous operating conditions and burner failure

The ARX120-3 is designed specifically for on/off or floating point control

Fireye EP390 Module 326058-758 How do I confirm ifThe Fireye EP390 is a specialized Flame Monitor programmer module engineered for use with the E110 Flame Monitor chassis. This non modulating programmer is designed for commercial and industrial burner applications where precise timing and sequence control are critical. The Fireye EP390 timing sequence features a fixed 90 second purge interval, ensuring thorough combustion chamber ventilation before ignition. It provides a 5 second 10 second trial for