leak-free connection to existing vacuum hoses

As a critical part of the outdoor unit's heat rejection cycle

ensuring correct fitment without bracket modification

Drop-in Replacement: Directly replaces obsolete part numbers 1171826 and 1172574 without modification

Nordyne OL29388 Fan Timer Board 30067439-890 leak-free connection to existing vacuumThe Nordyne OL29388 Fan Timer Board is a critical integrated control component designed for intermittent spark ignition (ISI) furnace systems. As the direct replacement for ST9103A1051, this board manages the timing of the circulator blower fan, ensuring optimal airflow and heat exchanger cooling cycles. For technicians troubleshooting HVAC furnace control board failures, this OEM part provides a reliable solution for restoring precise furnace fan