York S1-2845-3171 Limit Switch For technicians troubleshooting short cycling

For technicians troubleshooting short cycling or blower motor inconsistencies

What series of water feeders are compatible with this Tetraseal O-Ring

system-wide 2 psi conversions usually require a dedicated 325-L series regulator or a different high-pressure spring

serving as a direct solution for ignition failures or intermittent "lockout" codes caused by carbon buildup or porcelain cracks

York S1-2845-3171 Limit Switch For technicians troubleshooting short cyclingThe 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