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this board is the industry-standard solution for restoring reliable communication between the primary control module and high-voltage line loads
making it a critical replacement part for managing high-draw electrical loads where dual-line breaking is required for safety or operational control
you must use an AH series high-temperature actuator for any application involving steam or fluid temperatures reaching 250°F
Designed as a rugged HVAC blower control replacement
Can I use this relay for both heating and cooling applications
Carrier HH18HV170 Limit Switch Els PW 17895 this board is the industry-standardThe 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