Description
The Lennox 13X17 is an OEM replacement first-stage heat exchanger assembly designed for use in compatible Lennox furnaces. As a critical component of the furnace combustion system, the first-stage heat exchanger transfers heat from the burner flame to the circulating air stream while keeping combustion gases safely separated from the conditioned air supply.
Product Overview
Engineered to Lennox’s original specifications, this heat exchanger assembly ensures proper thermal transfer efficiency and structural integrity throughout the heating season. Replacing a worn, cracked, or failed first-stage heat exchanger restores safe furnace operation and helps maintain peak heating performance.
Key Features
- OEM Lennox replacement part — SKU 13X17
- First-stage heat exchanger assembly for multi-stage furnace systems
- Designed to match original Lennox factory specifications for fit, form, and function
- Helps maintain proper combustion gas containment and heat transfer efficiency
- Supports safe, reliable furnace operation when installed correctly
Application
- Direct OEM replacement for compatible Lennox furnace models
- Suitable for residential and light commercial heating applications
- Intended for installation by qualified HVAC technicians
Important Installation Note
Heat exchanger replacement should always be performed by a licensed HVAC professional. A cracked or compromised heat exchanger can allow combustion gases, including carbon monoxide, to enter the living space. Always verify compatibility with the specific Lennox furnace model before installation.
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