OEM Carrier Spark Electrode Ignitor LH33WZ008 for Model PY1PPA042100ADBA

This is the factory-authorized OEM spark electrode ignitor (part number LH33WZ008) for the Carrier PY1PPA042100ADBA packaged gas/electric unit. The spark electrode generates the high-voltage arc that ignites the gas burner at the start of every heating cycle. When this component fails, the control board will attempt ignition, detect no flame, and lock the system out — leaving you with a unit that runs the inducer and blower but produces no heat. A cracked electrode tip, worn wire harness, or fouled ceramic insulator are the most common failure points.

• OEM Part Number: LH33WZ008 | Manufacturer: Carrier | Description: Spark Electrode Ignitor with wire harness — direct factory replacement, no modifications required
• OEM vs Generic: This is the genuine Carrier OEM part, manufactured to exact factory electrode gap, ceramic insulator grade, and harness connector specifications. Aftermarket spark electrodes frequently exhibit incorrect tip geometry or inferior ceramic that cracks under thermal cycling, leading to repeat failures within one season.
• Install Difficulty: 3/5 — Disconnect power and gas supply before beginning. Tools needed: ¼" and 5/16" nut drivers, needle-nose pliers, multimeter (to verify spark output). Photograph all wire harness connections before removal. Handle the ceramic electrode tip with care — do not touch with bare hands, as skin oils degrade the ceramic at high temps.
• Warranty: 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Engineered and confirmed for the Carrier PY1PPA042100ADBA packaged unit. Always cross-reference the part number on your existing ignitor and verify against your unit's data plate before installation. Have questions about fitment? Our HVAC parts specialists verify compatibility before you order — reach out via chat or phone.