OEM Carrier Control Board LH33WP007 for Model PY3GNA024060AA

This OEM integrated control board (part number LH33WP007) is the factory-specified replacement for the Carrier PY3GNA024060AA packaged unit. The control board is the central command module of your system — it sequences ignition, manages blower timing, monitors safety inputs (pressure switches, limit switches, flame sensor), and drives all low-voltage outputs. When the board fails, symptoms typically include the unit not heating or cooling, repeated lockout fault codes, erratic fan operation, or a completely unresponsive system despite 24V power being present at the transformer.

• Specs: OEM part number LH33WP007 | Factory-matched control logic for Carrier PY3GNA024060AA | 24V low-voltage control circuit | Direct plug-and-play harness connections — no wiring modifications required
• OEM vs Generic: This is a genuine OEM Carrier board programmed to exact factory specifications. Aftermarket boards may lack model-specific timing sequences and fault code logic, leading to nuisance lockouts or reduced system lifespan. Always choose OEM for control boards.
• Install Difficulty: 3/5 — Intermediate. Tools needed: 1/4" and 5/16" nut driver, needle-nose pliers, phone or camera (to photograph all wiring harness connections before removal), and a multimeter for post-install verification. Turn off power at both the disconnect and breaker before beginning. Label all wires before disconnecting.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Designed for the Carrier PY3GNA024060AA packaged unit. Verify your existing board's part number against LH33WP007 before ordering. If your data plate or existing board shows a superseded part number, contact our fitment team — we confirm compatibility before you buy. Order today and get same-day shipping straight to your door.