Lennox 13U51 Heat Exchanger 180 BTU w/ Gasket
The Lennox 13U51 Heat Exchanger (180 BTU) with Gasket is a genuine OEM replacement component designed to restore safe and efficient heat transfer in compatible Lennox gas furnaces. Engineered to meet original factory specifications, this heat exchanger ensures reliable performance, proper airflow, and consistent heating output.
Constructed from high-quality aluminized steel, the Lennox 13U51 heat exchanger is built to withstand high temperatures and repeated thermal cycling. The included factory-matched gasket provides a secure seal, helping prevent heat loss and maintaining system efficiency while supporting safe furnace operation.
This OEM heat exchanger is ideal for HVAC professionals and service technicians performing furnace repairs, replacements, or preventative maintenance in residential and light commercial systems.
Key Features & Benefits
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Genuine Lennox OEM Part – Designed to original manufacturer specifications
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180 BTU Heat Capacity – Supports efficient and consistent heat transfer
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Includes Gasket – Ensures proper sealing and reliable installation
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Durable Aluminized Steel Construction – Built for long service life
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Direct Replacement Fit – Maintains furnace performance and safety
Applications
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Lennox gas furnaces (model compatibility required)
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Residential HVAC repair and maintenance
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Light commercial heating systems
Product Specifications
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Manufacturer: Lennox
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Part Number: 13U51
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Component Type: Heat Exchanger
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Heat Rating: 180 BTU
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Material: Aluminized steel
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Includes: Gasket
Why Choose the Lennox 13U51 Heat Exchanger?
Using a genuine Lennox heat exchanger helps ensure proper furnace operation, protects system efficiency, and supports long-term reliability. The 13U51 heat exchanger is a trusted solution for maintaining performance while meeting safety and installation standards.
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