Sold as a Package of 5

depending on the specific application's service factor

maintaining the structural integrity of the entire cooling circuit without the need for improvised field modifications

this switch opens due to insufficient draft in the heat exchanger

it ensures precise fitment for compatible models

York S1-2845-3171 Limit Switch Sold as a Package ofThe York S1 2845 3171 is a high precision, automatic reset HVAC limit switch engineered specifically for York heating systems and light commercial furnace applications. This OEM limit control operates with a fixed temperature range, featuring a switch opening temperature of 105F and a switch closing temperature of 95F. As a critical safety component, it monitors airflow temperatures to prevent heat exchanger damage or system overheating, ensuring your