Universal Application: Engineered to replace various fixed 3/4-inch snap disc thermostats

s line-voltage operation eliminates the need for external step-down transformers at the terminal unit

petroleum-based lubricants can degrade the specialized rubber compound of the cushion

What is the preferred mounting orientation for this valve

known for its thermal shock resistance and reliable performance in 120V gas heating applications

Johnson Controls A28AA-4 Temperature Control Els PW 29614 Universal Application: Engineered to replaceThe Johnson Controls A28AA 4 is a heavy duty two stage temperature control designed for versatile HVAC applications requiring sequenced switching. This electro mechanical thermostat features dual SPDT switch action, allowing for precise control over two separate circuits based on temperature fluctuations. With a wide 30 to 110 degree setpoint range and a multi voltage capacity of 120 208 240 277 Vac, it is a standard component for commercial cooling