Johnson Controls A19AAA-40 Temperature Control 30067439-890 allowing technicians and facility managers

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

the TCS ID1100 display utilizes high-contrast LCD technology to ensure legibility in low-light conditions

this epoxy-encapsulated unit provides a secure

2-pound steel base required for a clean

and extension tubing to reduce time on the job site

Johnson Controls A19AAA-40 Temperature Control 30067439-890 allowing technicians and facility managersThe 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