Description
The Johnson Controls A19AGC-42 is a heavy-duty utility thermostat engineered for reliable line-voltage temperature control in commercial and industrial HVAC applications. Designed for versatility and durability, this thermostat operates across a wide voltage range and delivers dependable switching performance in demanding environments.
Key Features
- Wide voltage compatibility: 120/208/240 Vac — suitable for a broad range of line-voltage systems
- Temperature range of 20°F to 90°F for low-temperature and moderate-temperature sensing applications
- 6-foot capillary length provides flexible remote sensing placement away from the control body
- 3/8″ x 5″ remote bulb for accurate, responsive temperature detection in ducts, pipes, or ambient spaces
- SPST (Single-Pole, Single-Throw) switching action for straightforward on/off control
- Automatic reset operation — thermostat resets automatically once temperature returns to the set point
- No enclosure included — ideal for panel mounting or installation within existing enclosures
- Stem for knob configuration allows easy set point adjustment
Specifications
- Brand: Johnson Controls
- Model / SKU: A19AGC-42
- Voltage: 120/208/240 Vac
- Temperature Range: 20°F to 90°F
- Capillary Length: 6 feet
- Remote Bulb Size: 3/8″ diameter x 5″ length
- Switch Type: SPST
- Reset Type: Automatic
- Enclosure: None
- Adjustment: Stem for Knob
Applications
- Commercial refrigeration and freezer temperature control
- Unit heater and cabinet heater cycling
- Low-temperature freeze protection systems
- Industrial process temperature switching
- OEM equipment and panel-mounted control assemblies
The A19AGC-42 is a trusted solution for contractors and engineers who need a reliable, line-voltage thermostat with remote bulb sensing. Its automatic reset functionality and multi-voltage compatibility make it a go-to choice for a wide range of commercial HVAC and refrigeration control applications.
