System Reliability: Protects the compressor from saturation and maintains thermal efficiency across wide temperature swings

specifically 2 to 25-ton packaged rooftop units

51" WC at the pressure port

providing high-cycle reliability for inductive loads

Aprilaire S86NMU Thermostat 321042-401 System Reliability: Protects the compressorThe Aprilaire S86NMU Thermostat is a high performance digital thermostat designed to provide precision climate control for modern homes. As the official Aprilaire 8476 replacement, this universal programmable thermostat supports multi stage HVAC systems, including up to 2H 2C conventional and 4H 2C heat pump configurations. It features a sleek capacitive touch screen with a full color graphical display, making it easy to monitor indoor temperature and