Heil Quaker ICP 1085840 Fan Blade Els PW 17895 it has likely failed and

it has likely failed and requires replacement

In control circuits

the SC5811 is fully compatible with remote sensing probes via terminals S1 and S2

this auto reset limit switch is engineered to open the electrical circuit at 170°F to prevent heat exchanger damage and automatically close once internal temperatures drop to 140°F

The 011862F pressure switch features a durable diaphragm construction capable of withstanding the high-temperature environments common in HVAC blower motor assemblies

Heil Quaker ICP 1085840 Fan Blade Els PW 17895 it has likely failed andThe Heil Quaker ICP 1085840 Fan Blade is a critical HVAC replacement part designed for high performance use in condenser fan motors. This 26 inch diameter axial fan blade features a precision engineered 22 degree pitch and a 2 blade configuration, optimized for maximum airflow efficiency. Built for International Comfort Products (ICP) units, it carries an OEM 5 8 inch bore and follows a counter clockwise (CCW) rotation as viewed from the lead end.