automatically re-engaging the system once temperatures descend to the 130

providing a high-reliability solution for general-purpose switching across various equipment brands

ensuring stable burner cycles

Engineered for high-limit protection

This indicates the electrical circuit is broken (opened) when the ambient temperature hits 150°F to stop the heating process

York S1-028-10564-700 Blower Pulley Els PW 17895 automatically re-engaging the system onceEnsure precise mechanical drive performance with the York S1 028 10564 700 Blower Pulley. This 1 groove fixed sheave is specifically engineered for high demand HVACR applications, featuring a dedicated 1 inch bore to allow for a secure, interference fit installation on standard blower motor shafts. Constructed from industrial grade cast iron (BK80), it provides the rigidity necessary to maintain proper HVAC belt tension and mitigate energy loss due to