Johnson Controls A28AA-29 Temperature Control R-410A Replacing the full set of

Replacing the full set of 9 ensures uniform pressure across the header plate

this unit utilizes a mid-point ground configuration to ensure balanced electrical stress across the secondary windings

this 15-amp rated component provides the reliable over-temperature protection required by modern safety standards

and 135 PSI for light oil

Johnson Controls A28AA-29 Temperature Control R-410A Replacing the full set ofThe Johnson Controls A28AA 29 is a heavy duty two stage temperature control designed for precise cycling of multiple HVACR components. Featuring 2 SPDT switch action, this mechanical thermostat allows for sequenced control of heating, cooling, or ventilation equipment across a broad 30 to 100 degree setpoint range. For technicians replacing legacy components, the A28AA 29 serves as the direct Johnson Controls A28AA 81 replacement, maintaining exact