OEM Carrier Ignition Control Board LH33WP007 for Model PY3GNA060115AA

This is the factory OEM ignition control board (part number LH33WP007) specified for the Carrier PY3GNA060115AA packaged gas/electric unit. The ignition control board is the central command module for the heating sequence — it manages the inducer motor, hot surface igniter, gas valve, and flame sensor in precise timed steps. When this board fails, the furnace will typically enter a hard lockout, attempt ignition and immediately shut down, or display fault codes indicating a failed ignition sequence. Flashing LED fault codes on the board itself are the fastest diagnostic clue that this component needs replacement.

• Specs: 24V, 60 Hz ignition control board | OEM part number LH33WP007 | Also referenced as LH33WP007A | Weight: 0.84 lbs | Direct drop-in replacement with no modifications required
• OEM vs Generic: OEM boards are factory-programmed with exact timing sequences, fault code logic, and safety lockout thresholds calibrated for the PY3GNA060115AA. Aftermarket boards often use generalized firmware that can cause nuisance lockouts, improper ignition timing, or void remaining equipment warranty.
• Install difficulty: 3/5 — Disconnect all power before beginning. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections prior to removal. Label every connector. Verify all plugs fully seat after reinstallation before restoring power.
• Warranty: 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Engineered as the exact OEM replacement for Carrier model PY3GNA060115AA. Always cross-reference the part number printed on your existing board before ordering to confirm you have the LH33WP007 variant. Our fitment team is available to verify compatibility before you purchase — no guesswork required.