Lochinvar & A.O. Smith 100110744 Switch 321142-301 allowing technicians to verify the

allowing technicians to verify the unit is functional even before the decimal digits advance

extending component longevity in high-duty cycle environments

It is most commonly deployed as a slave damper control relay

Using a different voltage will cause immediate component failure or failure of the valve to actuate

Lochinvar & A.O. Smith 100110744 Switch 321142-301 allowing technicians to verify theThe Lochinvar & A. O. Smith 100110744 Switch is a critical OEM replacement component designed for integrated power control within high efficiency residential and commercial water heating systems. This water heater power switch resides on the main control panel, providing a direct interface for technicians to verify circuit continuity and manage system states during troubleshooting or routine maintenance. Engineered as a genuine A. O. Smith replacement