OEM Carrier Hot Surface Igniter (LH33ZG001) for Model PG8JAA048110AGJA
This is the genuine OEM hot surface igniter for the Carrier PG8JAA048110AGJA packaged gas unit. On every call for heat, the control board energizes this igniter to glow at over 1,800°F, igniting the gas burners within seconds. When the igniter cracks, degrades, or fails open-circuit, the control board cannot confirm ignition and the unit enters a hard lockout — leaving you with no heat. Symptoms include the inducer running, gas valve not opening, and a flashing fault code on the control board indicating a failed ignition attempt.
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Specs: 120V AC | Silicon nitride element | Includes bracket and wiring harness | Factory-matched for Carrier PG8JAA048110AGJA packaged units | OEM Part # LH33ZG001
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OEM vs Generic: This is a genuine Carrier OEM igniter — not an aftermarket substitute. OEM igniters are manufactured to exact resistance and thermal-shock specifications. Generic igniters often use silicon carbide elements with shorter service life and higher crack rates, especially in packaged rooftop applications subject to vibration.
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Install Difficulty: 2/5 — De-energize and lock out the unit before beginning. Tools needed: 1/4" nut driver, flat-head screwdriver, multimeter (to verify open-circuit on failed igniter, typically >200Ω or OL). Do not touch the igniter element with bare hands — skin oils cause hot spots and premature failure. Reconnect the harness plug until it clicks, then verify ignition sequence on first call for heat.
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Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered before cutoff.
Compatibility: Engineered as the direct factory replacement for Carrier model PG8JAA048110AGJA packaged gas heating units. Always confirm OEM part number LH33ZG001 against your unit's parts list or data plate before ordering. Have a question about fitment? Our HVAC parts specialists verify compatibility before every order — contact us before you buy.