OEM Carrier Ignition Control Board LH33WP007 for Model PY3GPAA48130AA

This is the genuine OEM Carrier ignition control board (part number LH33WP007), the factory-specified replacement for the Carrier PY3GPAA48130AA packaged heating and cooling unit. The ignition control board orchestrates the entire heating sequence — managing the inducer motor, hot surface igniter, gas valve, and flame sensor in precise timed stages. When this board fails, the system typically enters a hard lockout, flashes a diagnostic fault code, or repeatedly attempts ignition and shuts down without establishing a stable flame. Do not confuse ignition board faults with a bad igniter or flame sensor — always pull fault codes first before replacing components.

• Specs: 24V control voltage | 60 Hz | OEM part number LH33WP007 | Compatible board revision LH33WP007A | Weight: 0.84 lbs
• OEM vs Generic: This is a genuine Carrier OEM board, manufactured to exact factory tolerances with certified agency listings. Aftermarket boards may lack proper timing sequences or flame-sensing sensitivity thresholds, leading to nuisance lockouts or unsafe operation.
• Install difficulty: 3/5 — Requires shutting off power and gas supply before servicing. Photograph all wiring harness connections before disconnecting. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, phone camera. Always clear fault codes and run a full heat cycle to verify operation after installation.
• 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 PY3GPAA48130AA packaged units. Verify your existing board's part number on the label before ordering to confirm revision compatibility. Our HVAC parts specialists are available to verify fitment — contact us before you order if you have any questions.