Description
Johnson Controls A19EAF-2 Flange Mounted Duct Temperature Control
The Johnson Controls A19EAF-2 is a mechanical duct-mounted temperature control engineered for reliable HVAC system performance in commercial and industrial air-handling applications. Featuring a wide voltage compatibility range and a robust SPDT switching configuration, this thermostat delivers dependable temperature regulation directly within the duct environment.
Key Features
- Mechanical temperature control designed for duct mounting applications
- Wide voltage compatibility: 120VAC to 240VAC
- SPDT (Single-Pole, Double-Throw) switching action for versatile control wiring
- Automatic reset operation — no manual intervention required after setpoint is reached
- Setpoint range: 30°F to 110°F for broad application flexibility
- Fixed 2°F differential for tight, consistent temperature control
- Flange-mounted design for secure, stable duct installation
- Knob range adjustment for easy, on-site setpoint calibration
Technical Specifications
- SKU: A19EAF-2
- Brand: Johnson Controls
- Control Type: Mechanical Temperature Control
- Voltage: 120VAC – 240VAC
- Switch Type: SPDT (Single-Pole, Double-Throw)
- Reset Type: Automatic
- Setpoint Range: 30°F to 110°F
- Differential: 2°F (Fixed)
- Mounting Style: Flange Mounted
- Adjustment: Knob Range Adjustment
- Application: Duct Temperature Control
Application & Benefits
The A19EAF-2 is ideal for use in commercial HVAC air distribution systems where precise duct temperature monitoring and switching is required. Its automatic reset function eliminates the need for manual resets during normal cycling, reducing maintenance demands. The flange-mount configuration ensures a secure fit into duct walls, while the knob adjustment allows technicians to dial in the desired setpoint quickly during commissioning or service calls. The broad 30–110°F range makes this control suitable for both heating and cooling duct control scenarios.
Reviews
There are no reviews yet.