York S1-2845-3171 Limit Switch Utilizing a PTFE valve seal

Utilizing a PTFE valve seal like the 310623 allows for consistent 1/4-inch stem travel and accurate positioning

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

For technicians troubleshooting short cycling or blower motor inconsistencies

in most configurations

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

York S1-2845-3171 Limit Switch Utilizing a PTFE valve sealThe 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