



🌡️ Control your climate, command your comfort.
The Johnson Controls A421ABC-02C is a robust single-stage electronic temperature control designed for precise HVAC management. Featuring a wide operating range from -40 to 212°F, a reliable single-pole double-throw relay, and a bright backlit LCD with adjustable brightness, it offers both durability and user-friendly operation. With advanced features like anti-short cycle delay and customizable temperature setback, this thermostat is engineered for professional-grade performance and long-term reliability.
| Operating temperature | 212 Degrees Fahrenheit | 
| UPC | 645220630707 | 
| Global Trade Identification Number | 10662011536502 | 
| Manufacturer | Johnson Controls | 
| Product Dimensions | 28.19 x 10.41 x 10.92 cm; 521.63 g | 
| Part number | A421ABC-02C | 
| Item display weight | 4 Pounds | 
| Material type | As shown in image | 
| Item model number | A421ABC-02C | 
| ASIN | B01IWJO25E | 
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