Johnson Controls A19AAA-40 Temperature Control 30067439-890 Verify your controller output before

Verify your controller output before installation to prevent damage

allowing technicians and facility managers to identify which specific detector has entered an alarm state when the detector itself is not easily visible

and extension tubing to reduce time on the job site

2-pound steel base required for a clean

Johnson Controls A19AAA-40 Temperature Control 30067439-890 Verify your controller output beforeThe Johnson Controls A19AAA 40 is a heavy duty, single stage remote bulb thermostat designed for precision temperature regulation in demanding HVACR environments. Engineered with a liquid filled sensing element, this control provides consistent "repeat" accuracy that remains unaffected by barometric pressure or cross ambient temperature fluctuations. This specific model features a temperature range of 20? F to 80? F (? 5? C to 28? C), making it an