Description
Lennox 29L43 Collector Box
The Lennox 29L43 Collector Box is a genuine OEM replacement component designed to maintain the integrity and efficiency of your Lennox heating system. Collector boxes play a critical role in channeling flue gases from the heat exchanger to the venting system, ensuring safe and efficient combustion exhaust management. Replacing a worn or damaged collector box with an authentic Lennox part helps preserve system performance, maintain proper draft, and protect against flue gas leaks.
Key Features
- Genuine Lennox OEM replacement part — SKU 29L43
- Engineered for precise fit and function in compatible Lennox furnace or heating equipment
- Directs flue gases safely from the heat exchanger to the vent system
- Helps maintain proper combustion efficiency and system draft
- Durable construction built to withstand high-temperature flue gas exposure
- Direct OEM replacement ensures no modifications required for installation
Application
The 29L43 Collector Box is intended as a direct OEM replacement for compatible Lennox furnace and heating equipment models. Always verify compatibility with your specific unit model number before ordering. For best results, installation should be performed by a qualified HVAC technician.
Why Choose Genuine Lennox OEM Parts?
Using genuine Lennox OEM components ensures your equipment operates as designed, maintains manufacturer warranty compliance, and delivers the reliability your customers expect. Aftermarket substitutes may not meet the precise tolerances required for safe and efficient operation.







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