Description
The Johnson Controls A19AGA-2 is a reliable line-voltage utility thermostat engineered for demanding HVAC and commercial temperature control applications. Designed to operate across a wide voltage range and a broad sensing span, this thermostat delivers dependable performance in refrigeration, heating, and ventilation systems where rugged, no-frills control is required.
Key Features
- Wide multi-voltage compatibility: 120, 208, and 240 Vac operation
- Temperature sensing range of 20°F to 90°F for versatile application coverage
- 10-foot capillary length for flexible remote bulb placement
- SPST (Single-Pole, Single-Throw) switching action for straightforward on/off control
- Remote bulb sensing element for accurate temperature detection at the point of control
- Automatic reset operation — returns to normal function once setpoint is satisfied
- No enclosure design for easy integration into existing panels or custom enclosures
Specifications
- Brand: Johnson Controls
- SKU / Model: A19AGA-2
- Voltage: 120 / 208 / 240 Vac
- Temperature Range: 20°F to 90°F
- Capillary Length: 10 feet
- Switch Type: SPST
- Sensing Method: Remote Bulb
- Reset Type: Automatic
- Enclosure: None (No Enclosure)
Typical Applications
- Commercial refrigeration and freezer temperature control
- HVAC unit ventilators and air handling units
- Low-temperature freeze protection systems
- Fan and heating element cycling in industrial and commercial equipment
The A19AGA-2 is part of Johnson Controls’ trusted A19 series of utility thermostats, known for their durability and straightforward installation. The remote bulb and long capillary allow the sensing element to be positioned precisely where temperature measurement is needed, while the unit itself can be mounted in a convenient location. Automatic reset eliminates the need for manual intervention after a temperature event, reducing maintenance demands in critical systems.
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