A19AAA-49 | -30/100F 6'OpenLoSPST | Johnson Controls

-30/100F 6'OpenLoSPSTThe Johnson Controls A19AAA-49 outdoor limit control features a 30-100 F (-1-38 C) operating range and comes with a 6 ft (1.8 m) lead wire. This single-pole, single-throw (SPST) control is open on a temperature rise (OpenLo) and is commonly used in HVAC systems to regulate the operation of fans, dampers, and other equipment based on temperature changes.