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This OEM hot surface igniter kit (part number 332505-751) is the factory-specified replacement for the Carrier GB1AAV048091ADJA gas furnace. The hot surface igniter is a critical component in the ignition sequence — it heats to approximately 2,500°F to ignite the gas burners on each heating cycle. When the igniter fails, the furnace control board detects no ignition and locks out the system, leaving you with no heat. Common symptoms include the furnace attempting to start, cycling through the ignition sequence, and then shutting down in lockout mode — often with a blinking fault code on the control board indicating an ignition failure.
Compatibility: Engineered for the Carrier GB1AAV048091ADJA gas furnace. Always confirm the OEM part number 332505-751 against your unit's data plate or existing igniter before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us before placing your order.