How do I verify if this limit switch is defective

Factory-Calibrated Safety: Precise 220-degree cut-out protects the heat exchanger from thermal stress

and commercial kitchen equipment that utilize a standard millivolt safety valve

Measuring 34 inches in length with a 1/8" OD (Outer Diameter)

and plastic tubing when used with a proper 45

York S1-024-34554-000 Rain Shield How do I verify ifThe York S1 024 34554 000 Rain Shield is a critical OEM component designed to prevent moisture from migrating down the motor shaft and into the upper bearing assembly. Measuring a precise 6. 75 inch diameter with a 1 2 inch shaft bore, this slinger is engineered for a friction fit application on standard condenser fan motors. In vertical discharge systems, water ingress is the leading cause of premature motor failure; installing this replacement motor