Johnson Controls A28AA-29 Temperature Control R-410A though heavy-use environments may require

though heavy-use environments may require replacement every 3 to 6 months to maintain odor control efficiency

High-Integrity Grounded Coil: Ensures stable magnetic field generation and reliable circuit grounding for long-term field performance

and 135 PSI for light oil

the integrated overflow switch includes 1/4-inch quick-connect terminals

Johnson Controls A28AA-29 Temperature Control R-410A though heavy-use environments may requireThe 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