OEM Carrier Spark Electrode Igniter (48GS400168) for Model PY3PNA048090NB

This is the factory OEM spark electrode igniter assembly for the Carrier PY3PNA048090NB packaged gas unit. The igniter is responsible for initiating combustion each time the system calls for heat — when it fails, the control board will attempt ignition, receive no flame confirmation, and lock out the system entirely. Common symptoms include no heat output, a flashing fault code on the control board, or a furnace/gas pack that clicks repeatedly then shuts off without lighting.

• Part Specs: 2-rod spark electrode igniter assembly | OEM Part# 48GS400168 | Factory Authorized Parts (Carrier Replacement Components Division) | Direct plug-and-play fitment — no modification required
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part, manufactured to exact electrode gap and ceramic insulator tolerances. Aftermarket igniters frequently suffer from premature cracking of the ceramic body and inconsistent spark gap, leading to recurring lockouts and callbacks.
• Install Difficulty: 2/5 — Shut off gas and power at the disconnect before beginning. Tools needed: 1/4" and 5/16" nut driver, needle-nose pliers, phone camera for wiring documentation. Carefully handle ceramic body — do not touch electrode tips with bare hands. Average install time: 20–30 minutes.
• Warranty: Backed by Carrier's OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered as the direct OEM replacement for the Carrier PY3PNA048090NB packaged gas unit. Always verify your unit's model number and data plate before ordering. If you have any fitment questions, our HVAC parts specialists are available to confirm compatibility before you buy — no guesswork required.