it ensures precise fitment for compatible models

Common indicators include the furnace shutting down before reaching the thermostat setpoint

ensuring exact 30/5 microfarad output for dual-motor applications

this switch opens due to insufficient draft in the heat exchanger

Each unit incorporates binding head screw terminals and side-by-side quick-connect terminals

York S1-2845-3171 Limit Switch it ensures precise fitment forThe 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