OEM Carrier Hot Surface Igniter LH33ZG001 for Model PG9MAB048100ACSA

This is the genuine OEM hot surface igniter (part number LH33ZG001) factory-specified for the Carrier PG9MAB048100ACSA gas furnace. The hot surface igniter is the component responsible for generating the intense heat required to ignite the gas burners on each heating cycle. When this part fails, the furnace will attempt ignition, fail to light, and enter a safety lockout — leaving you with no heat. Common failure symptoms include a furnace that runs the inducer motor but never produces a flame, repeated ignition lockout codes on the control board, or a visibly cracked or broken igniter element.

• Specs: OEM Part Number LH33ZG001 | Silicon nitride element | 120V input | Factory-matched geometry and mounting bracket for direct drop-in fit on the PG9MAB048100ACSA
• OEM vs Generic: This is the genuine Carrier OEM igniter — not an aftermarket substitute. OEM silicon nitride igniters are engineered to exact resistance and warm-up timing tolerances. Generic igniters frequently operate outside spec, causing nuisance lockouts or premature failure within one heating season.
• Install Difficulty: 2/5 — A straightforward swap for experienced DIYers or technicians. Required tools: 1/4" and 5/16" nut drivers, needle-nose pliers. Critical: Never touch the igniter element with bare hands — skin oils cause hot spots and early cracking. Use gloves or handle only by the mounting bracket and wire harness.
• Warranty: Backed by a 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Engineered specifically for the Carrier PG9MAB048100ACSA 80% AFUE gas furnace. Always verify your existing igniter's part number and voltage rating against your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us anytime. Order today and we'll ship it out the same business day.