Johnson Controls A19AAC-4 Temperature Control 30067439-890 With the system calling for

With the system calling for cooling

applying a high-quality thermal compound to the probe tip before inserting it into the thermowell is highly recommended

Direct OEM Compatibility: Verified replacement for C340366P06 and SWT01635

allowing the system to restart without a service tech physically pressing a button

This specific mechanical component is a direct-fit solution for the upper valve of Series TC-4 Test-N-Check configurations

Johnson Controls A19AAC-4 Temperature Control 30067439-890 With the system calling forThe Johnson Controls A19AAC 4 is a heavy duty, mechanical temperature control engineered for precision in HVACR applications. Built with a Single Pole Double Throw (SPDT) switch, this line voltage controller acts as a versatile solution for both heating and cooling equipment setups. The unit features a setpoint range of 0 to 80? F, specifically designed for low to medium temperature monitoring where a 5 degree F fixed differential is required for