Johnson Controls A19ADB-22 Utility Thermostat 30067439-890 You must rotate the stem

You must rotate the stem to open the service port for gauge access

Precise 480V Performance: Rated for 2000 Watts to ensure your 480-volt heating circuits meet precise BTU requirements

External components like the flame sensor or 11072202 orifice shield may need to be sourced separately if needed

The unit typically ships with two pairs of ON/OFF trippers

Johnson Controls A19ADB-22 Utility Thermostat 30067439-890 You must rotate the stemAs a seasoned HVAC technician, you know that reliability in high limit safety is non negotiable. The Johnson Controls A19ADB 22 Utility Thermostat is a professional grade remote bulb temperature control designed specifically for demanding industrial and commercial applications requiring a dependable manual reset. Featuring a wide 90? F to 325? F temperature range, this SPST (Single Pole, Single Throw) controller is engineered to provide a high limit