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Built from high-density forged brass to prevent porosity issues and chemical corrosion
Because it carries ASSE 1017 and 1070 listings
This furnace control board features advanced diagnostic LED indicators to streamline troubleshooting and ensure consistent airflow during peak demand
heat pump signals
The NBR seals ensure reliable seating
York S1-025-47816-000 Spark Ignitor 321702-401 Built from high-density forged brassEnsure reliable combustion in York heating systems with the York S1 025 47816 000 Spark Ignitor. This genuine OEM furnace igniter is precision engineered for direct spark ignition (DSI) systems, featuring a 21 inch lead wire for secure routing to the ignition module. As a technician grade York replacement part, it provides the high voltage arc necessary for consistent burner light off, reducing delayed ignition "thumps" and lockout errors in compact