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Non-Linting Design: Features an aerated pilot flow that prevents debris buildup
Professionals choose this OEM furnace bracket to guarantee a perfect fit and long-term HVAC system reliability
optimized for thermal resistance and repeated cycling in pneumatic applications
Key Benefits: Enhanced Durability: The corrosion-resistant stainless steel housing ensures long-term performance in harsh chemical and steam environments
Lennox 57W38 Limit Switch 30067439-890 Non-Linting Design: Features an aeratedThe Lennox 57W38 Limit Switch is a critical OEM replacement part designed for high limit temperature monitoring in residential gas and electric furnaces. This SPST (Single Pole Single Throw) safety control features a 3 inch insertion length, making it compatible with specific Lennox, Allied, Armstrong, and Ducane heating units. Engineered for precise thermal regulation, the switch is calibrated to open the circuit at 180F to prevent heat exchanger
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