OEM Carrier Ignition Control Board (LH33WP007) for Model PY3GNA060090AA

This is the OEM factory-specified ignition control board for the Carrier PY3GNA060090AA packaged gas unit. The ignition control board — also referred to as the integrated furnace control (IFC) — is the central nervous system of your heating system. It sequences the inducer motor, hot surface igniter, gas valve, and flame sensor to execute a safe, reliable ignition cycle. When this board fails, the unit may lock out after repeated failed ignition attempts, display fault codes, fail to fire the burners entirely, or cycle erratically without ever establishing a flame.

• Specs: 24V control voltage | 60 Hz | OEM Part # LH33WP007 | Factory-matched logic timing for Carrier PY3GNA060090AA sequencing
• OEM vs Generic: This OEM board uses factory-programmed timing logic and safety thresholds. Aftermarket boards may use generic timing that shortens igniter life, causes nuisance lockouts, or fails to satisfy third-party safety certifications — risking equipment warranty and liability.
• Install Difficulty: 3/5 — Requires disconnecting 24V and line-voltage wiring harnesses and transferring all connector plugs to the new board. Tools needed: ¼" nut driver, needle-nose pliers, phone camera (photograph all wiring before removal). Always cut power at the disconnect and verify zero voltage before touching the board.
• Warranty: 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse.

Compatibility: Direct OEM replacement for Carrier model PY3GNA060090AA packaged gas units. Cross-reference your existing board's part number — LH33WP007 — against your unit's data plate to confirm fitment before ordering. Unsure? Our HVAC parts specialists verify compatibility before your order ships.