The 210-250°F Auto Limit Switch (Part# HH12ZB250) by Bard Manufacturing is designed to provide reliable temperature regulation for HVAC systems. With a precise temperature range of 210 to 250 degrees Fahrenheit, it ensures optimal performance and safety by automatically cutting off power when the temperature exceeds preset limits. https://www.hnkparts.com/hh12zb250-bard-manufacturing-210-250f-auto-limit-switch