York S1-025-47816-000 Spark Ignitor 321702-401 The Carrier HH79NZ027 Immersion Thermistor

The Carrier HH79NZ027 Immersion Thermistor is a critical NTC temperature sensor engineered for precise thermal monitoring within Carrier and Bryant HVAC systems

Built from high-density forged brass to prevent porosity issues and chemical corrosion

The NBR seals ensure reliable seating

Because it carries ASSE 1017 and 1070 listings

20" WC threshold before condemning the part

York S1-025-47816-000 Spark Ignitor 321702-401 The Carrier HH79NZ027 Immersion ThermistorEnsure 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