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Carrier 345810-402 Ignitor/Flame Sensor

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Special Price $90.46 Regular Price $104.03
In stock
SKU
345810-402
The Carrier 345810-402 Ignitor/Flame Sensor operates as a dual-purpose device in gas-fired furnaces. This HVAC device activates gas burners for heating initiation before it examines the flame for operational safety. The Length 44-1/2" specification likely refers to the length of the ignitor and sensor wires. The device serves two vital functions by igniting the furnace reliably and stopping gas accumulation when the flame does not start. The combination of safety features and operational efficiency result from this device which enables reliable ignition and detects flames for protection
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Heating & Furnace Parts, Ignitors & Ignition Assembly
Manufacturer:
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Product Questions (2)
Customer Questions
What maintenance is required for the Carrier 345810-402 Ignitor/Flame Sensor?

Regularly inspect the sensor for soot, corrosion, or buildup. Clean gently with a soft cloth or fine sandpaper to ensure accurate ignition. Check wiring connections for security, and always turn off power before performing maintenance.

What are common issues with the Carrier 345810-402 Ignitor/Flame Sensor?

  • Failure to ignite the burner.
  • Intermittent flame detection.
  • Sensor contamination reducing sensitivity.
  • Loose or damaged electrical connections.

Installation Steps

Step 1: Turn off power to the equipment at the breaker to ensure safety.

Step 2: Open the furnace access panel to locate the existing ignitor/flame sensor.

Step 3: Disconnect the wiring connector and carefully remove the old component.

Step 4: Install the new ignitor/flame sensor in the same position.

Step 5: Reconnect wiring securely and close the access panel.

Step 6: Restore power and test the equipment to ensure proper ignition and flame sensing.