OEM Carrier Spark Electrode Ignitor 48VL400002 for Model PY3GNAA48115NA

This OEM Carrier spark electrode ignitor is the factory-specified replacement part for the Carrier PY3GNAA48115NA packaged gas unit. The ignitor initiates combustion by generating a high-voltage spark at the burner to light the gas mixture at the start of every heating cycle. When this component fails, the control board will attempt ignition, detect no flame, and enter a safety lockout — leaving you with a system that runs the inducer but produces zero heat. A failed or cracked electrode is one of the most common causes of a no-heat call on Carrier packaged rooftop and gas units.

• OEM Part Numbers: 48VL400002 (original) | Direct OEM replacement: 50HJ403022 | Factory-authorized Carrier ignitor assembly, supplied without wire harness
• OEM vs Generic: This is a genuine Carrier factory-authorized ignitor built to exact gap and ceramic insulator specifications. Aftermarket electrodes frequently ship with incorrect spark gap dimensions, causing intermittent ignition failures and nuisance lockouts that an OEM part eliminates.
• Install Difficulty: 2/5 — Shut off gas supply and disconnect power at the disconnect before starting. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers. Note wire routing and connector orientation before removal. The ceramic insulator is fragile — handle with care and avoid contact with skin oils.
• Warranty: 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed for the Carrier PY3GNAA48115NA packaged gas/electric unit. OEM part 48VL400002 has been superseded by Carrier part number 50HJ403022 — both are fully interchangeable for this application. Always verify your unit's data plate and wiring diagram before ordering. Our fitment team is available to confirm compatibility before you purchase — no guesswork required.