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reliable installation on the job site
preventing frequent recalibration needs
Whether you are servicing a warehouse or a commercial garage
and Quaker furnaces
Carrier HH18HA281 Temp Switch 322057-301 reliable installation on the jobThe Carrier HH18HA281 is a precision engineered Defrost Temp Switch designed for high performance residential and commercial HVAC units. As a critical fixed temperature thermostat, it monitors coil temperature to initiate and terminate defrost cycles, preventing ice buildup on the outdoor coil. This OEM Carrier replacement part features a snap acting bimetal disc that ensures rapid response and reliable contact closure under extreme thermal
