How do I confirm if my Carrier furnace requires the HD46MQ135

This direct-acting solenoid features a robust aluminum body and NBR seals

protecting the motor windings from excessive heat and mechanical stress

This unit features standard sweat (ODF) connections with a 7/8" suction line and a 1/2" discharge line

These components should be inspected for warping

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