York S1-026-50621-000 Blower 318973-401 The vent must never be

The vent must never be plugged

Durable Construction: Built to withstand high-pressure fluctuations and prevent particulate buildup within the cage assembly

provided the coil voltage (120V) and amperage ratings match

While the footprints are similar

York S1-026-50621-000 Blower 318973-401 The vent must never beThe York S1 026 50621 000 2 Stage Combustion Blower is a critical HVAC draft inducer assembly designed for high efficiency furnace applications. This genuine OEM York part replaces the legacy S1 373 39483 001, ensuring a precise match for system geometry and electrical specifications. As a two stage combustion blower, it modulates airflow to match furnace firing rates, providing the exact static pressure required for safe flue gas evacuation and