OEM Carrier Spark Electrode Ignitor 48GS400168 for Model PY3PNA048115NA

This is the factory OEM spark electrode ignitor assembly for the Carrier PY3PNA048115NA packaged gas/electric unit. The ignitor is responsible for initiating combustion each time a heat cycle is called. When it fails, the control board will attempt ignition, detect no flame, and lock out the system — leaving you with a unit that runs the inducer and blower briefly before shutting down with a fault code. Replacing the ignitor is one of the most common and cost-effective no-heat repairs on Carrier packaged rooftop and split systems.

• Part Number: 48GS400168 | Also replaces: PSE-CE15 | Genuine Carrier OEM Factory Authorized Part
• OEM vs Generic: OEM ignitor electrodes are manufactured to exact factory gap and ceramic specifications. Generic alternatives often use inferior ceramic bodies that crack under thermal stress, leading to repeat failures and potential ignition misfires.
• Install Difficulty: 2/5 — Shut off gas and power before servicing. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers. Disconnect the ignition wire, remove the mounting fastener, and swap the electrode. Always inspect the ignition wire and ceramic insulator for cracks while the panel is open.
• Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier PY3PNA048115NA packaged unit. This ignitor is used across many Carrier, Bryant, and Payne package units — verify your unit's data plate and existing part number before ordering. Our fitment team is available to confirm compatibility before you buy. Order today for same-day shipping!