This 24-277V thermostat features advanced self-configuring circuitry

Advanced Sequencing: Manages the full ignition process

This part typically includes the module itself

which can corrode the internal mechanisms and lead to "Gas Valve / Connection" faults on the Smart System interface

and Tappan packaged units

Lennox 84K82 Flue Cover 321894-708 This 24-277V thermostat features advancedThe Lennox 84K82 Flue Cover is a critical OEM replacement part designed to maintain the structural integrity and safety of the combustion assembly in specific Lennox gas furnace and package unit models. Constructed from heavy duty metal to withstand the high temperature environment of the flue box, this flue box cover (part number 84K82 or RS41358 008) ensures that combustion byproduct gases are properly contained and directed through the exhaust