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this unit utilizes a mid-point ground configuration to ensure balanced electrical stress across the secondary windings
High-Integrity Grounded Coil: Ensures stable magnetic field generation and reliable circuit grounding for long-term field performance
it offers maximum installation flexibility for professional contractors working on high-performance HVACR systems
the integrated overflow switch includes 1/4-inch quick-connect terminals
Replacing the full set of 9 ensures uniform pressure across the header plate
Johnson Controls A28AA-29 Temperature Control R-410A this unit utilizes a mid-pointThe 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
