OEM Carrier Ignition Control Board LH33WP007 for Model PY4GPAB60090NA

This is the factory OEM ignition control board for the Carrier PY4GPAB60090NA packaged unit. The ignition control board (IFC) is the brain of your furnace or packaged system's heating sequence — it manages the inducer motor, hot surface igniter, gas valve, and flame sensor in precise coordination. When this board fails, common symptoms include hard lockout after an ignition attempt, the system failing to advance past the inducer stage, intermittent no-heat calls, or a completely unresponsive heating sequence even when thermostat demand is present.

• Specs: 24V control voltage | 60 Hz | OEM part number LH33WP007 | Cross-reference: 1068-15 | Factory-programmed timing sequences and fault code diagnostics
• OEM vs Generic: This is a genuine Carrier OEM board with factory-calibrated ignition timing, flame-proving intervals, and retry/lockout logic. Aftermarket boards frequently deviate from factory timing, causing nuisance lockouts, premature shutdowns, or voiding equipment warranties.
• Install difficulty: 3/5 — Disconnect power before servicing. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, phone camera (photograph all wiring harness connections before removal). Label every connector. Always verify 24V signal at thermostat terminals before condemning the board.
• Warranty: 1-year OEM manufacturer warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier PY4GPAB60090NA packaged gas/electric unit. Verify your existing board's part number matches LH33WP007 before ordering. If you're unsure, our HVAC parts specialists can confirm fitment — just reach out before you order. Order now for same-day shipping and get your system back online fast.