Johnson Controls A19AAF-21 Temperature Control 30067439-890 Technicians should verify millivolt output

Technicians should verify millivolt output and ensure the pilot line connection is secure to prevent nuisance lockouts

How can I tell if my existing valve needs replacement

The CMA-6 facilitates stable operation

Durable Construction: Engineered to withstand the high-cycle demands of residential and light commercial forced-air systems

OEM Compatibility: Specifically designed for V5011N and V5013N series valves

Johnson Controls A19AAF-21 Temperature Control 30067439-890 Technicians should verify millivolt outputFor 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