Reliable 24V Operation: Compatible with most standard HVAC control boards and 24VAC systems

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

eliminating the need for adapter kits or modifications

a precision-wound compression spring

Lochinvar & A.O. Smith 100170574 Limit Switch THPU32HP7Y Reliable 24V Operation: Compatible withThe 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