preventing permanent damage to the power supply

While designed as a York OEM replacement

Temperature Resilience: Engineered to perform in high-heat environments up to 250°F

and EBQ series balanced port thermostatic expansion valves

indicating the internal float mechanism is compromised

Johnson Controls A19ADB-2 Temperature Control 30067439-890 preventing permanent damage to theThe Johnson Controls A19ADB 2 is a heavy duty hot water immersion temperature control engineered for precision high limit cutout in commercial and industrial boiler systems. This mechanical thermostat features a single pole, single throw (SPST) switch configuration designed to open on temperature rise, providing a critical safety lockout when temperatures exceed the defined setpoint. With a robust 100 to 240 degree F setpoint range, it is the standard