Lennox 76W34 Limit Freon Ensures a clean finish by

Ensures a clean finish by covering structural damage and paint lines during thermostat replacement

Factory hardware frequently experiences hydrogen embrittlement or oxidation over time

the Source1 S1-024-35326-009 provides a reliable solution to restore CFM performance in variable speed equipment without the reliability risks associated with generic aftermarket alternatives

Key Benefits Direct OEM Replacement: Seamlessly replaces discontinued part 9004028105 without requiring complex manifold modifications

Lennox 76W34 Limit Freon Ensures a clean finish byThe Lennox 76W34 Limit Switch is a high precision furnace high limit safety control engineered for Lennox HVAC systems. As a critical genuine OEM replacement part (also identified as Lennox 102610 01), this component features a factory set 200F limit to protect the heat exchanger from thermal stress. When supply air temperatures exceed the safe threshold, the open on rise mechanism interrupts the burner circuit, preventing system damage and ensuring