Pay in 4 interest-free payments of $36.07 Learn more
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
the integrated overflow switch includes 1/4-inch quick-connect terminals
High-Integrity Grounded Coil: Ensures stable magnetic field generation and reliable circuit grounding for long-term field performance
it meets strict UL 1585 and CSA standards
it offers maximum installation flexibility for professional contractors working on high-performance HVACR systems
Johnson Controls A28AA-29 Temperature Control R-410A the integrated overflow switch includesThe 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