This SPST normally closed switch is a standard requirement for technicians performing furnace limit control replacement

The Bray Commercials ST-MTG-1/DC44 Linkage Assembly is a precision-engineered mounting hardware solution designed to provide a secure mechanical interface between DC24-44-TP series actuators and ST05 valves

effectively monitoring internal plenum temperatures

mitigating the risk of overheating within the furnace cabinet

The handle can be removed entirely or reinserted in the "OFF" position

Lochinvar & A.O. Smith 100274615 T-Stat This SPST normally closed switchEnsure consistent performance in residential and light commercial electric water heaters with the Lochinvar & A. O. Smith 100274615 T Stat. This upper thermostat replacement is engineered for high demand environments, featuring surface mount sensitivity and a built in manual reset high limit safety switch (ECO). Designed to handle non simultaneous operation, this component acts as the primary controller, prioritizing top tank heating before