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Lennox 60G78 Heat Exchanger

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Special Price $3,346.40 Regular Price $3,714.51
Out of stock
SKU
60G78
The Lennox 60G78 Heat Exchanger is a component of your heating and cooling system because it is intended to exchange heat in both the HVAC system. It is a stainless steel and can therefore be used for years without signs of rusting or any other sign of wear out. This heat exchanger can be installed with most of the Lennox furnaces and air conditioners that are available in the market today. During cooling mode, it absorbs heat from the refrigerant and expels it to the air that blows During cooling, the process is reversed and the heat is taken from outside air into your home hence cooling it.
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HVAC Furnace Parts, Heat Exchanger
Manufacturer:
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Specifications

  • Height: 34.4 Inch
  • Width: 44.4 Inch
  • Measure: Unit
  • Type: Heat Exchanger Assembly
  • Material: Stainless Steel
  • Weight: 124lbs
Manufacturer Name: Lennox
Product Number: 60G78
OEM Part Number: 60G78
Product Description: Heat Exchanger
Weight:124lbs/56245.41g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lennox 60G78 Heat Exchanger?

Inspect the heat exchanger during servicing for early cracking, oxidation, and uneven discoloration that may indicate hot spots. Ensure burners are clean and properly aligned so flame contact remains stable and controlled. Maintaining steady airflow through the unit reduces thermal stress and assists the exchanger in operating under balanced heat distribution.

What are common issues with the Lennox 60G78 Heat Exchanger?

  • Pressure cracking from repeated heating and cooling cycles.
  • Soot accumulation reducing heat transfer efficiency.
  • Rust formation in moisture-prone operating conditions.
  • Airflow restriction causing system shutdowns.

Installation Steps

Step 1: Turn off power and gas supply to the unit and verify zero electrical current.

Step 2: Remove access panels and disconnect old heat exchanger carefully noting wiring and flue connections.

Step 3: Install the new heat exchanger in correct orientation and secure mounting brackets tightly.

Step 4: Reconnect flue sensors and electrical wiring as per manufacturer specifications.

Step 5: Restore power test ignition and check for gas leaks and proper airflow.