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Replacing a warped or corroded furnace airflow component with this factory-authorized part ensures long-term reliability and peak heating capacity
or a loud rattling noise
This specific model is configured for normally closed operation
Replacing a faulty HN67ER032 relay restores proper fan-off delays
Built with a durable zinc body and high-quality Buna-N seals
Lennox 25W74 Manifold 322056-301 Replacing a warped or corrodedThe Lennox 25W74 Gas Manifold (OEM part number 100795 01) is a precision engineered gas distribution component designed for high efficiency residential and light commercial furnace burners. As a critical point of regulation, this manifold ensures localized gas pressure is balanced across all burner tubes, facilitating consistent ignition and optimal combustion cycles. Built with heavy duty materials to withstand thermal stress and pressure