Includes OEM-spec internal components for precise fitment in 8262 and 8263 series valves

Designed to meet the demands of high-cycle HVAC applications

With its DIN plug connectivity or lead wire options

the 3524-00 provides a seamless drop-in fit for system upgrades

Carrier HH18HA440 Limit Switch 323055-751 Includes OEM-spec internal components forThe 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