The Macon Controls VAC24 is a professional-grade 24V N/C valve actuator designed for precise fluid regulation in commercial and industrial HVACR systems

Contractor Grade: Standardized 1/4 HP output and 208/230V compatibility make it a staple for service vans maintaining York-family equipment

Designed to meet the demands of high-cycle HVAC applications

some contractors use it in R-407C retrofits after a full oil flush and replacement with POE oil

With its DIN plug connectivity or lead wire options

Carrier HH18HA440 Limit Switch 323055-751 The Macon Controls VAC24 isThe Carrier HH18HA440 is a high performance Auto Limit Switch designed for precise thermal protection in residential and light commercial HVAC equipment. Built for high reliability applications, this OEM Carrier part functions as a critical safety component by monitoring internal plenum temperatures. It is engineered with a set 140 degree Fahrenheit open temperature and a 100 degree Fahrenheit close temperature, ensuring your system initiates a safety