Description
Lennox 57W64 Secondary Heat Exchanger Coil Overview
The Lennox 57W64 is an OEM replacement secondary heat exchanger coil engineered to restore peak performance in compatible Lennox heating systems. The secondary heat exchanger plays a critical role in high-efficiency furnaces by extracting additional heat from combustion gases before they exit the flue, maximizing energy recovery and helping your system achieve its rated efficiency.
Key Features
- OEM Lennox replacement part — designed for precise fit and compatibility
- Secondary heat exchanger coil construction for high-efficiency furnace applications
- Engineered to restore proper heat transfer and system efficiency
- Helps maintain rated AFUE efficiency by ensuring full heat extraction from combustion gases
- Durable construction built to withstand repeated thermal cycling
- Direct replacement minimizes installation time and reduces callbacks
Application
This secondary heat exchanger coil is a genuine Lennox replacement component intended for use in compatible Lennox high-efficiency gas furnaces. Always verify compatibility with your specific furnace model before installation. Consult the equipment’s service manual or contact your Lennox distributor to confirm fitment.
Why Replace the Secondary Heat Exchanger?
A cracked, corroded, or failed secondary heat exchanger can lead to reduced heating efficiency, potential flue gas leakage, and system lockout. Replacing a worn component with an OEM-quality part like the Lennox 57W64 ensures safe, reliable, and efficient operation — protecting both the equipment and the occupants it serves.
Ordering Information
- Brand: Lennox
- SKU: 57W64
- Part Type: Secondary Heat Exchanger Coil
Reviews
There are no reviews yet.