OEM Carrier Ignition Control Board LH33WP007 for Model PY3GNA048090AA

This is the factory OEM Ignition Control Board (IGC) for the Carrier PY3GNA048090AA packaged gas/electric unit. The IGC board is the central brain of your furnace's heating sequence — it manages the draft inducer, hot surface igniter, gas valve, flame sensor, and blower motor through every stage of the heating cycle. When this board fails, symptoms include a system that locks out after ignition attempts, intermittent no-heat calls, fault codes on the LED diagnostics, or a furnace that runs the inducer but never advances to ignition.

• Specs: OEM Part # LH33WP007 | 24V control voltage | 60 Hz | Cross-references: 1068-15, 1068-83-119A, 1836V03 | 0.84 lbs | Factory-original IGC board
• OEM vs Generic: This is the genuine Carrier Factory Authorized Part. OEM boards are pre-programmed with exact timing sequences, fault codes, and safety lockout logic for the PY3GNA048090AA — aftermarket boards may have mismatched timing that causes nuisance lockouts or unsafe operation.
• Install difficulty: 3/5 — Disconnect power and gas before beginning. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections before removal. Label every connector. Board swap is straightforward but harness orientation must be exact.
• Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct OEM replacement for the Carrier PY3GNA048090AA packaged unit. Verify your existing board's part number matches LH33WP007 before ordering. Cross-references include board numbers 1068-15 and 1068-83-119A. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you order — contact us anytime.