Lochinvar & A.O. Smith 100110731 Sensor Assembly 319847-401 making it a versatile component

making it a versatile component for any commercial or residential HVAC project

this SPST pressure switch is factory-calibrated to a -1

and is compatible with snap-on auxiliary contact blocks

the switch trips due to restricted airflow caused by a dirty air filter

Lochinvar & A.O. Smith 100110731 Sensor Assembly 319847-401 making it a versatile componentWhen 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