this unit supports outdoor reset functionality with an optional OS-100 sensor kit

Universal Refrigerant Support: Optimized for high-pressure synthetic refrigerants and natural CO2 systems

Dual-Circuit Design: Drives both the compressor and the fan motor from a single

a hard-start kit may be required if the compressor has difficulty starting against the pressure differential after a shutdown

the Nordyne 622140R is the official updated version of the 622140

Resideo TH115-A-240S-B Thermostat R-410A this unit supports outdoor resetThe Resideo TH115 A 240S B is a contractor grade 7 day programmable line voltage thermostat engineered specifically for high capacity 240 Vac electric heating systems. Designed for precise thermal management, this unit handles resistive loads up to 16. 7 Amps (4000W @ 240V), making it the standard choice for baseboard heaters, radiant ceilings, convectors, and fan forced heaters. The integration of an epoxy soundproofed relay ensures silent switching,