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Lennox 69M77 Electronic Ballast

Special Price $21.41 Regular Price $27.95
In stock
SKU
69M77
The Lennox 69M77 Electronic Ballast is an essential component in HVAC systems there it regulates and directs the operation of the fluorescent light lamps. lennox, and other HVAC equipment this electronic ballast supplies the voltage and current necessary for starting and continuous operating of fluorescent bulbs. Electronic ballasts have several advantages over magnetic ballasts these include high efficiency, low flicker, and low noise levels. It regulates energy currents to the fluorescent lamps, thus it maintains and provides constant and quality illumination in HVAC systems to enhance visibility and comfort in interior settings.
Manufacturer:
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Specifications

  • Measure:Unit
  • Weight:0.77lbs
  • Length:6.15 Inch
  • Width:2.4 Inch
  • Height:1.2 Inch
Manufacturer Name: Lennox
Product Number: 69M77
OEM Part Number: 69M77
Product Description: Electronic Ballast
Weight:0.77lbs/349.27g

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Customer Questions
What maintenance is required for the Lennox 69M77 Electronic Ballast?

Keep the ballast free from dust and ensure proper airflow to prevent overheating. Regularly inspect wiring connections for looseness or corrosion. Verify stable input voltage to avoid electrical stress and replace if flickering or humming occurs.

What are common issues with the Lennox 69M77 Electronic Ballast?

  • Flickering or unstable light output.
  • Ballast overheating during operation.
  • Buzzing or humming noise.
  • Failure to start or intermittent ignition.
  • Sensitivity to voltage fluctuations.
  • Reduced efficiency or dim lighting performance.

Installation Steps

Step 1: Turn off power at breaker and check zero voltage before opening unit.

Step 2: Remove access panel and label all wiring connected to old ballast.

Step 3: Disconnect wires and remove old mounting screws holding the ballast.

Step 4: Install new ballast in same position and secure firmly.

Step 5: Reconnect wiring exactly as labeled, ensuring tight, correct connections.

Step 6: Restore power and test lighting or ignition circuit for proper operation and stable performance.