OEM Carrier Hot Surface Igniter (Spark Electrode) for Model PY3GNAA42060NA — Part# 48VL400002

This is the OEM factory-replacement spark electrode igniter for the Carrier PY3GNAA42060NA packaged gas unit. The hot surface igniter is the first component activated in every heating cycle — the control board energizes it to reach ignition temperature, at which point the gas valve opens and combustion begins. When the igniter fails, the furnace or packaged unit will attempt ignition, fail to light, and enter a hard lockout fault — typically flashing a fault code for "ignition failure" after 3 consecutive attempts. This OEM part restores factory ignition performance and eliminates nuisance lockouts caused by cracked, degraded, or open-circuit igniters.

• Specs: Spark electrode / hot surface igniter | OEM Part# 48VL400002 | Factory-matched geometry and lead wire length | Rated for Carrier PY3GNAA42060NA packaged gas/electric units
• OEM vs Generic: OEM igniters are manufactured to exact resistance and thermal shock tolerances specified by Carrier engineering. Generic igniters vary in element composition and mounting geometry, which can result in premature cracking, misalignment with the burner port, or inconsistent ignition timing that shortens heat exchanger life.
• Install Difficulty: 3/5 — Requires shutting off gas supply and 120V power at the disconnect before beginning. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, and a multimeter to confirm open-circuit on the failed igniter (reading should be 40–90Ω on a good silicon nitride igniter). Handle the new igniter element only by its ceramic bracket — skin oils degrade the element surface.
• Warranty: 1-year OEM manufacturer warranty against defects. In stock and ships same business day from our HVAC parts warehouse.

Compatibility: Designed specifically for the Carrier PY3GNAA42060NA packaged rooftop/gas unit. Always verify your unit's data plate part number and confirm the igniter mounting bracket style matches before installation. Our fitment team is available to cross-reference your model before you order — ensuring the right part arrives the first time.