Description
The Lennox 12K80 Collector Box Gasket is an OEM replacement part engineered to maintain a secure, airtight seal at the collector box assembly of compatible Lennox furnaces. A properly functioning collector box gasket is critical to safe furnace operation — it prevents flue gas leakage, protects the heat exchanger, and ensures the induced-draft system performs at peak efficiency.
Key Features
- OEM Lennox replacement part (SKU: 12K80)
- Designed for precise fit on compatible Lennox furnace collector box assemblies
- Maintains an airtight seal to prevent flue gas and combustion byproduct leakage
- Supports proper draft pressure and inducer performance
- Durable gasket material withstands repeated heating and cooling cycles
- Direct OEM replacement for simplified installation
Application
This gasket is intended for use during routine furnace maintenance, heat exchanger inspection, or collector box replacement on applicable Lennox furnace models. Always verify compatibility with your specific furnace model number before installation.
Why Replace Your Collector Box Gasket?
A worn, cracked, or deteriorated collector box gasket can allow combustion gases to escape into the living space, trigger pressure switch faults, or cause nuisance shutdowns. Replacing the gasket with a genuine Lennox OEM part restores proper sealing, helps prevent carbon monoxide hazards, and keeps your furnace running safely and efficiently.
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