Is this set for 2-stage heating? I am looking to add a smart thermostat, many do not work with a 2-stage system. Is there a way to deactivate the second stage? If
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White-Rodgers - 45 to 99°F, 4 Heat, 2 Cool, Premium Residential Digital 7 Day Programmable Universal Multi-Stage or Heat Pump Thermostat - 55526297 - MSC Industrial Supply