a precision-wound compression spring

Industrial Durability: Constructed from high-grade metal to withstand mechanical vibration and harsh environmental conditions

this control provides rigorous safety monitoring and automatic reset capabilities

The unit features an auto reset mechanism and is engineered for easy integration onto control boards

Utilizing this genuine York replacement part ensures that the manifold and ignition sequence remain within the manufacturer's tight tolerances

Lochinvar & A.O. Smith 100170574 Limit Switch THPU32HP7Y a precision-wound compression springThe Lochinvar & A. O. Smith 100170574 is a critical safety component designed for high limit temperature monitoring in commercial and residential heating systems. Operating within a precise range of 50 270F, this manual reset limit switch (M R) functions as a fail safe to prevent heat exchanger damage and unsafe operating conditions. Also identified as the TST2015, this switch ensures that if temperatures exceed the calibrated threshold, the burner