Johnson Controls A19CAC-1 Temperature Control Els PW 17895 Verify continuity across the poles

Verify continuity across the poles when the relay is energized

This is a proprietary PTC sensor

It supports 1 Heat/1 Cool conventional systems and 1 Heat/1 Cool heat pump systems

Broad Series Compatibility: Engineered specifically for McDonnell & Miller PS-800 and PS-850 systems

and ignition modules without overloading the system

Johnson Controls A19CAC-1 Temperature Control Els PW 17895 Verify continuity across the polesThe Johnson Controls A19CAC 1 is a standard setting mechanical temperature control designed specifically for automatic changeover in fan coil units and convector systems. Engineered for surface mounting, this SPDT changeover control eliminates the need for manual selector switches by automatically sensing media temperature to toggle between heating and cooling modes. It features a 60 to 90? F setpoint range and a 10? F fixed differential, ensuring