OEM Carrier Furnace Ignition Control Board LH33WP007 for Model PY3GNAA48090NA

This is the factory OEM ignition control board (part number LH33WP007) for the Carrier PY3GNAA48090NA gas furnace. The integrated furnace control (IFC) board is the brain of your heating system — it sequences every stage of operation from inducer startup and pressure switch proving through ignition, gas valve activation, and blower motor control. When this board fails, symptoms include the furnace going into hard lockout, flashing fault codes, failing to ignite after repeated attempts, or powering on with no response at all. Replacing it with the OEM-spec board restores factory-correct timing, fault diagnostics, and safety shutoff logic.

• OEM Part Number: LH33WP007 | Board Reference: 1068-15 | Fits Carrier & Bryant furnace platforms
• OEM vs Generic: OEM boards are programmed with the exact ignition timing, blower delay curves, and fault-code sequences specified by Carrier engineering. Aftermarket boards may use approximated timing that can cause nuisance lockouts or shorten heat exchanger life.
• Install Difficulty: 3/5 — Photograph all wiring harness connections before removal. Disconnect power at the breaker and wait 5 minutes before handling. Tools needed: #2 Phillips screwdriver, 1/4" nut driver, smartphone for wiring photos. Reconnect all terminals firmly and restore power to verify fault-code LED sequence on first startup.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse — in stock and ready now.

Compatibility: Designed as the direct OEM replacement control board for the Carrier PY3GNAA48090NA gas furnace. Verify your existing board's part number label against LH33WP007 or cross-reference 1068-15 before ordering. Not sure it fits? Contact our parts team — we verify fitment before you buy. Order today and ship today.