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The DSA02NO is specifically designed for J and K Series units equipped with DigiSmart technology
always verify the part number against your specific model and serial number before installation
Robust OEM Construction: Designed for industrial and commercial durability
The Lennox 27M18 Orifice is a precision-engineered 052-sized flow control component essential for maintaining the manifold pressure and combustion efficiency of Lennox commercial and residential heating systems
Also identified by part number 71M2801 and older designations like LB-106199A or 56M99
Lennox 11G87 Limit Switch 320788-704 The DSA02NO is specifically designedThe Lennox 11G87 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial HVAC systems. This 90 120F AUTO Limit Switch functions as a high limit security measure, automatically interrupting the burner circuit if internal plenum temperatures exceed 120F and resetting once the system cools to 90F. Engineered for longevity, this genuine Lennox OEM replacement part ensures your furnace operates
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