Signs of failure include a visible bulge in the solenoid housing

Enhanced Combustion Safety: Features a built-in resettable thermal switch to protect against flashback and improper combustion chamber temperatures

it utilizes a standard 1/8 inch NPT female air connection

The Johnson Controls A19ABC-82 is a heavy-duty single-stage temperature control designed for versatile applications in HVACR systems

Lochinvar & A.O. Smith 100223771 Thermostat R-410A Signs of failure include aThe Lochinvar & A. O. Smith 100223771 Thermostat is a high limit, adjustable electric water heater thermostat designed for precision temperature regulation in commercial and residential heating applications. This TOD (Therm O Disc) style thermostat operates within a specific 120 181 degree Fahrenheit range, making it an essential component for high temperature requirements such as dairy operations or sanitizing cycles. As a genuine OEM replacement