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The 24-inch thermocouple features high-grade metal alloy construction to withstand extreme thermal stress
This current-sensing device is built to rigid HVAC start relay standards
For outdoor applications
this is a dedicated clockwise (CW) rotation wheel
verifying the specific HVAC breaker cross-reference is recommended for safety
Carrier HH18HV170 Limit Switch Els PW 17895 The 24-inch thermocouple features high-gradeThe Carrier HH18HV170 Limit Switch is a critical safety component designed for precise thermal regulation in Carrier, Bryant, and Payne heating systems. This OEM replacement part features a normally closed (NC) configuration, engineered to open on temperature rise at 170F and automatically reset when the system cools to 140F. Built with a snap action disc mechanism, the high limit switch ensures a rapid and reliable electrical break to prevent heat