Lochinvar & A.O. Smith 100274592 T-Stat and 240V inputs for maximum

and 240V inputs for maximum compatibility with different power supplies

Direct OEM Compatibility: Verified fit for Armstrong

Key Benefits for Technicians Precise OEM Tolerance: Direct fit for Forsaire Counterflow and Magnum Top Vent series

reversible color-change element that transitions from dark green (dry) to bright yellow (wet)

If the switch remains open even after the system cools

Lochinvar & A.O. Smith 100274592 T-Stat and 240V inputs for maximumThe Lochinvar & A. O. Smith 100274592 Lower T Stat is a critical OEM replacement part designed for high performance residential electric water heaters. As a direct replacement for the Lochinvar TST1120 and A. O. Smith 100077850, this lower thermostat provides precise thermal sensing to maintain consistent water temperatures and system efficiency. Engineered for durability in high demand environments, it is compatible with a wide range of models,