OEM Carrier Hot Surface Igniter LH33WZ010 for Model N6A48NG481451
This is the OEM factory-specified hot surface igniter (part number LH33WZ010) for the Carrier N6A48NG481451 packaged gas unit. The igniter is the first component in your furnace's ignition sequence — it heats to over 2,000°F to ignite the gas burners on each heating call. When it fails, the control board detects no flame after the ignition attempt and locks out the system, leaving you with a blinking fault code and no heat. A cracked, broken, or failed igniter element is one of the most common causes of furnace no-heat service calls.
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Specs: Spark electrode / hot surface igniter | OEM part number LH33WZ010 | Factory-matched resistance and geometry | Direct plug-and-play connector for Carrier N6A48NG481451
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OEM vs Generic: This is a genuine Carrier OEM igniter, manufactured to exact factory specifications for element thickness, tip geometry, and electrical resistance. Generic igniters frequently use thicker silicon carbide elements with mismatched resistance, leading to premature cracking from thermal stress or insufficient surface temperature to reliably light the burners.
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Install difficulty: 2/5 — Always allow the igniter to cool completely before handling — thermal shock from skin oils or moisture can crack the element. Tools needed: 1/4" nut driver, small flathead screwdriver, needle-nose pliers. Disconnect power at the breaker and shut off the gas supply before beginning. Avoid touching the igniter element with bare hands at any point.
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Warranty: 1-year OEM factory warranty against defects. Orders received before cutoff ship same business day from our warehouse — get your system heating again fast.
Compatibility: This igniter is the direct OEM replacement for the Carrier N6A48NG481451 packaged gas unit. Confirm your existing igniter part number or cross-reference your unit's data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you purchase — contact us and we'll confirm compatibility.