Johnson Controls A19AAF-21 Temperature Control 30067439-890 ensuring the gas valve only

ensuring the gas valve only remains open when a verified pilot flame is present

The silicone rubber disc ensures a heat-resistant

offering a seamless mechanical and electrical match for aging Enviro-tec VAV boxes

providing the exact electrical and pneumatic characteristics required for Miller

5 lb hopper assembly provides a reliable

Johnson Controls A19AAF-21 Temperature Control 30067439-890 ensuring the gas valve onlyFor contractors servicing HVACR systems, the Johnson Controls A19AAF 21 Temperature Control provides a dependable mechanical solution for high accuracy thermal regulation. This single stage, remote bulb temperature control is specifically engineered for precision in heating or cooling applications, featuring a 40 to 90 degree F setpoint range and a tight 1. 5 degree F fixed differential. As the A19AGF 23 direct replacement, this unit integrates