Johnson Controls A19AAF-21 Fixed Differential Thermostats 40°F/90°F 6'Capillary 1.5

The Johnson Controls A19AAF-21 Fixed Differential Thermostat is a sturdy and multipurpose temperature regulating equipment suitable for use with HVAC. It contains an adjustable differential type with a temperature range of 40°F to 90°F that makes it suitable for many heating and cooling processes. It includes a 0.5” pipe size with threaded face that makes it easy to be connected and compatible with most any standard HVAC system. The body is constructed of impressive brass, which is resistant to corrosion and thereby capable of long-term effective use.It uses single pole double throw SPDT connection type for making certain precise settings on the temperate regulation.