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

Engineered for high-limit protection

System Reliability: Helps eliminate common ignition failures by providing a steady flame for the thermocouple or flame sensor to detect

Leaks at the front header gasket often indicate a clogged heat exchanger

For LP applications

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