Precision OEM Fit: Ensures direct compatibility with Lennox high-efficiency equipment

double throw (SPDT) switch

short-cycling

While rated for high-pressure industrial use (up to 200 PSI @ 400°F)

the switch closes on pressure rise to start the condenser fan and opens when the pressure drops below the setpoint minus the differential

ICM Controls ICM2920 Ignition Control 30067439-890 Precision OEM Fit: Ensures directThe ICM Controls ICM2920 Ignition Control is a form, fit, and functional direct replacement for PCBAG123S and PCBAG123, engineered specifically for Goodman spark ignition furnace systems. This microprocessor based automated gas ignition control board monitors the critical heating sequence, including the inducer, pressure switch, spark ignition, and gas valve, while maintaining high level safety monitoring for limit and rollout switches. Designed for