OEM Carrier Spark Electrode Ignitor (48GS400168) for Model PY3PPA030040NB

This OEM spark electrode ignitor assembly is the factory-specified replacement part for the Carrier PY3PPA030040NB packaged gas heating unit. The ignitor's job is to generate the high-voltage spark that lights the burner at the start of every heat cycle. When this component fails, the control board will attempt ignition, find no flame signal, and lock out the system — leaving you with a blinking fault code and no heat. Symptoms include the inducer starting normally, a brief spark attempt, and then a hard lockout after one or two retries.

• Part Details: OEM Part# 48GS400168 | 2-Rod Spark Electrode Assembly | Factory Authorized Parts (FAP) | Direct OEM replacement — no modifications required
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part, manufactured to exact electrode gap and ceramic insulator specifications. Aftermarket igniters often have inconsistent rod spacing or lower-grade ceramics, leading to weak spark, nuisance lockouts, or premature cracking.
• Install Difficulty: 2/5 — Straightforward swap on most Carrier packaged units. Always disconnect power at the disconnect box before servicing. Tools needed: 1/4" nut driver, needle-nose pliers. Photograph all wire connections before removal. Handle ceramic insulators with care — avoid dropping or overtightening.
• Warranty & Shipping: Backed by a 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct OEM fit for Carrier PY3PPA030040NB packaged rooftop and gas heating equipment. Always verify your unit's model and serial number data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists confirm fitment before every order — reach out before you buy.