OEM Carrier Ignition Control Board LH33WP007 for Model PY3GNAA60115NA

This is the genuine OEM ignition control board (part number LH33WP007), factory-specified for the Carrier PY3GNAA60115NA furnace. The ignition control board serves as the central command center of your heating system — it sequences the inducer motor, hot surface igniter, gas valve, and flame sensor in precise timing to achieve safe, reliable heat. When this board fails, common symptoms include a hard lockout with no heat, the furnace cycling on and off without completing ignition, fault codes flashing on the LED indicator, or a complete loss of system response despite the thermostat calling for heat.

• Specs: 24V control voltage | 60 Hz | OEM part number LH33WP007 | Alternate cross-reference: 1068-15 | Fits Carrier PY3GNAA60115NA and compatible Bryant/Payne platforms
• OEM vs Generic: This is a genuine Carrier OEM board engineered to exact factory tolerances. Aftermarket boards (cross-referenced as ICM291 or similar) may not replicate precise timing sequences, increasing the risk of nuisance lockouts, premature component wear, or unsafe operation. OEM is always the recommended choice for control boards.
• Install difficulty: 4/5 — Requires disconnecting and labeling all low-voltage and line-voltage wiring harnesses. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone camera for wiring photo documentation, and a multimeter to verify 24V supply before install. Always shut off power at the disconnect and gas at the shutoff valve before servicing.
• Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier PY3GNAA60115NA gas furnace. Also cross-compatible with select Bryant and Payne furnace models sharing the same control board platform (verify part number on your existing board before ordering). Always confirm the OEM part number printed on your existing board matches LH33WP007 or LH33WP007A before purchase. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — reach out via chat or phone.