OEM Carrier Hot Surface Igniter LH33ZG001 for Model PG8JAA048110AEJA

This is the genuine OEM hot surface igniter for the Carrier PG8JAA048110AEJA packaged gas unit. The igniter is the critical first step in every heating cycle — on a call for heat, the control board energizes the igniter element to a glowing temperature, then opens the gas valve to light the burner. When the igniter cracks, weakens, or fails entirely, the furnace will attempt ignition, fail to light, and enter a safety lockout. Common symptoms include a no-heat call with no visible flame, repeated ignition attempts followed by lockout, or error codes indicating ignition failure on the control board.

• OEM Part Number: LH33ZG001 | Genuine Carrier factory replacement — not aftermarket
• OEM vs Generic: This factory OEM igniter is matched to the exact resistance profile and element geometry of the original. Aftermarket units can vary in warm-up time and surface temperature, leading to nuisance lockouts or premature re-failure — especially in packaged rooftop applications where igniters face elevated vibration and thermal stress.
• Install Difficulty: 2/5 — De-energize and lock out the unit before beginning. Never touch the igniter element with bare hands — skin oils cause hot spots and premature failure. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, multimeter (to confirm resistance ~40–90 Ω on a cold igniter). Follow the factory wiring diagram for harness reconnection.
• Warranty: 1-year OEM manufacturer warranty. In-stock and ships same business day from our warehouse.

Compatibility: Designed as a direct factory replacement for the Carrier PG8JAA048110AEJA packaged gas heating/cooling unit. Always cross-reference the part number on your existing igniter or the unit's parts list before ordering — igniter geometry and harness connectors can vary by production run. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you buy — contact us today and we'll confirm compatibility fast.