Lochinvar & A.O. Smith 100110731 Sensor Assembly 319847-401 the MARS 780 contactor series

the MARS 780 contactor series simplifies field maintenance with an enclosed body design that prevents dust and insect intrusion while dampening operational noise

With the 3/4-inch orifice installed

this assembly features brass trim to ensure long-term reliability in water or steam applications

What are the symptoms of a failing 100110799 damper drive

Lochinvar & A.O. Smith 100110731 Sensor Assembly 319847-401 the MARS 780 contactor seriesWhen you're troubleshooting erratic temperature readings or ignition lockout codes on Lochinvar Knight or A. O. Smith residential gas water heaters, the Lochinvar & A. O. Smith 100110731 Sensor Assembly is often the critical point of failure. This OEM water heater temperature sensor is engineered as a high precision resistance type device, specifically designed to provide the control board with real time thermal data required for internal modulation