Lochinvar & A.O. Smith 100274592 T-Stat For contractors managing HVAC repair

For contractors managing HVAC repair tasks

The 3-inch insert is specific to the heat exchanger geometry

They provide a pressure-tight interface for the McDonnell & Miller 47 series

Beyond thermal fatigue

it should never be bypassed

Lochinvar & A.O. Smith 100274592 T-Stat For contractors managing HVAC repairThe 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,