Description
Lennox 81L76 Control Board C2-3 Overview
The Lennox 81L76 Control Board C2-3 is a genuine OEM replacement control board engineered to restore precise system management in compatible Lennox heating and cooling equipment. Designed to exact Lennox factory specifications, this board ensures seamless integration and dependable operation — eliminating the guesswork of aftermarket alternatives.
Key Features
- Genuine Lennox OEM replacement control board
- C2-3 model designation for direct, application-specific fit
- Engineered to Lennox factory specifications for reliable system control
- Supports proper sequencing and protection functions within compatible Lennox systems
- Drop-in replacement design minimizes installation time and complexity
- Helps restore full system functionality and efficiency
Why Choose an OEM Control Board?
OEM control boards like the Lennox 81L76 are built to match the original electrical and operational parameters of your equipment. Choosing a genuine replacement protects system warranties, ensures compatibility with existing wiring and components, and reduces the risk of callbacks caused by mismatched aftermarket parts.
Application
- Designed for use in compatible Lennox HVAC systems requiring C2-3 control board replacement
- Ideal for service technicians performing diagnostic-driven board replacements
Ordering Information
- Brand: Lennox
- SKU / Part Number: 81L76
- Model: C2-3 Control Board







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