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This is the genuine OEM Carrier spark electrode igniter assembly (part number 48GS400168), factory-specified for the Carrier PY3PNA036060NA packaged gas/electric unit. The spark electrode igniter is responsible for initiating combustion in the heat exchanger on every call for heat. When this component fails, the control board will attempt ignition, receive no flame confirmation signal, and lock out the system — leaving you with a unit that powers on but delivers no heat. Common symptoms include a continuous clicking sound with no burner ignition, an ignition fault error code on the control board, or a system that locks out after one or two ignition attempts.
Compatibility: Engineered as the direct drop-in replacement for Carrier model PY3PNA036060NA packaged units. Verify your existing part number on the unit's wiring diagram or data label before ordering. Our HVAC parts specialists are available to confirm fitment — order with confidence and get your system back online today.