Carrier HH18HV170 Limit Switch Els PW 17895 This current-sensing device is built

This current-sensing device is built to rigid HVAC start relay standards

High Temperature Rating: Class F insulation prevents premature failure from heat buildup during long-term energization

verifying the specific HVAC breaker cross-reference is recommended for safety

The 24-inch thermocouple features high-grade metal alloy construction to withstand extreme thermal stress

As a field tech

Carrier HH18HV170 Limit Switch Els PW 17895 This current-sensing device is builtThe 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