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Engineered as a duct mounted high limit stat
Standardized Porting: 1/2" x 1/2" NPT connections allow for standard pipe fitting without specialized adapters
the integrated thermometer
Simplified Manual Changeover: Eliminates sensor "hunting" between modes
Lochinvar & A.O. Smith 100109920 Thermostat 320720-756 Engineered as a duct mountedThe Lochinvar & A. O. Smith 100109920 Thermostat is a heavy duty, OEM replacement thermostat designed for high precision temperature regulation in commercial and industrial water heating applications. As a Type 89T13 control, this single pole, double throw (SPDT) electric thermostat is engineered with an integrated high limit safety cut off, ensuring the unit shuts down if temperatures exceed safe operating parameters. Technicians frequently utilize
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