OEM Carrier Ignition Control Board LH33WP007 for Model PY3GNAA24040AA

This is the genuine OEM ignition control board (part number LH33WP007) factory-specified for the Carrier PY3GNAA24040AA gas furnace or heating system. The integrated furnace control (IFC) board is the nerve center of your system — it sequences the inducer motor, hot surface igniter, gas valve, and blower fan through every heating cycle. When this board fails, common symptoms include hard lockout codes, failure to initiate ignition, erratic on/off cycling, or a complete no-heat condition with no fault codes displayed at the thermostat.

• Specs: 24V control voltage | 60 Hz | OEM part number LH33WP007 | Cross-references: 1068-15 | Dimensions approx. 9" L × 6.3" W × 3.05" H | 0.84 lb ship weight
• OEM vs Generic: This is the genuine Carrier OEM board — not a generic clone. OEM boards meet exact factory design-life testing and preserve your unit's efficiency ratings, agency certifications, and published sound levels. Generic aftermarket boards may introduce timing deviations that cause nuisance lockouts or premature component wear.
• Install Difficulty: 3/5 — Control board replacement requires disconnecting 120V line voltage; always shut off power at the breaker before beginning. Tools needed: ¼" nut driver, needle-nose pliers, phone/camera to photograph all wiring harness connections prior to removal. Transfer any jumper settings from old board to new. Recommend an HVAC technician for this repair.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct drop-in replacement for Carrier model PY3GNAA24040AA. Also fits select Bryant and Payne models sharing the LH33WP007 specification — verify your model and data plate before ordering. Not sure if this is the right board? Our HVAC parts specialists confirm fitment before you buy — reach out before placing your order.