OEM Carrier Spark Electrode Ignitor (48GS400168) for Model PY2PNB030040NB

This is the factory OEM spark electrode ignitor assembly for the Carrier PY2PNB030040NB packaged gas unit. The ignitor generates the high-voltage spark that ignites the gas burner on each heating call. When the electrode degrades, cracks, or becomes fouled with carbon buildup, the control board registers an ignition failure and locks out the unit — leaving you with no heat and a blinking fault code. Replacing this part with a factory-spec OEM assembly restores reliable first-try ignition every cycle.

• Specs: 2-rod spark electrode ignitor assembly | OEM Part# 48GS400168 | Factory Authorized Parts | Direct plug-in replacement — no modification required
• OEM vs Generic: The OEM electrode is manufactured to Carrier's exact gap spacing, ceramic insulator rating, and rod alloy specification. Off-brand electrodes often use inferior ceramics that crack under thermal cycling, causing intermittent or failed ignition within one heating season.
• Install Difficulty: 2/5 — Turn off gas supply and 24V control power before service. Tools needed: 1/4" hex driver, needle-nose pliers, and a multimeter to verify spark circuit continuity. Photograph the existing wiring harness routing before disconnecting. Inspect burner orifice and heat exchanger area for debris before reinstalling.
• Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse — order by 3PM local time.

Compatibility: Engineered as the direct OEM replacement for Carrier model PY2PNB030040NB packaged heating/cooling equipment. Always verify your unit's full model and serial number on the data plate inside the cabinet access panel before ordering. Our HVAC parts team is available to confirm fitment before you place your order — just reach out!