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Lennox 46W11 Transformer 208/230V 70VA

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Special Price $75.57 Regular Price $86.90
In stock
SKU
46W11
The Lennox 46W11 Transformer is a Class 2 transformer that is used exclusively for Lennox HVAC systems. Thisessential part plays the role of maintaining the appropriate voltage within your unit and in a safe manner. It has a depth of 2.81 inches, width of 3 inches, and height of 3.13 inches, has a power rating of 70 VA and can step down a primary voltage of 208V or 240V to a secondary voltage of 24V. This change process is crucial for charging a variety of low voltage control circuits in your Lennox HVAC system. It has foot mount construction for easy installation and has leads and quick connects for easy electrical connections.
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HVAC Controls, Transformers
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Specifications

  • Measure: Units
  • Type of Product: Class 2 Transformer
  • Power Rating: 70 VA
  • Primary Voltage: 208V/240V
  • Secondary Voltage: 24V
  • Mounting Type: Foot Mount
  • Connection Type: Leads and Quick Connects
  • Frequency: 60 Hz
  • Depth: 2.81 Inch
  • Width: 3 Inch
  • Height: 3.13 Inch
  • Weight: 2.29lbs
Manufacturer Name: Lennox
Product Number: 46W11
OEM Part Number: 46W11
Product Description: Transformer 208/230 70Va
Weight:2.29lbs/1038.73g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lennox 46W11 Transformer?

Periodically inspect wiring connections, terminal tightness, and insulation condition. Keep the transformer clean and free from dust buildup to prevent overheating. Ensure proper grounding and check for voltage irregularities during routine HVAC servicing.

What are common issues with the Lennox 46W11 Transformer?

  • Overheating due to overload or poor ventilation.
  • Voltage fluctuation or unstable output.
  • Transformer humming or vibration noise.
  • Burnt winding or insulation breakdown.
  • Loose terminal connections causing intermittent power.
  • Core saturation under high load conditions.

Installation Steps

Step 1: Turn off power at breaker and verify zero voltage using a multimeter.

Step 2: Mount transformer securely near HVAC control board or junction box.

Step 3: Connect primary leads to supply following wiring diagram.

Step 4: Attach secondary output to control circuit terminals.

Step 5: Tighten all terminals and insulate exposed wiring safely.

Step 6: Restore power and test output voltage for proper operation.

Step 7: Check insulation and ensure no exposed conductors before energizing.