Description
The Johnson Controls A19AAB-26 is a heavy-duty utility thermostat engineered for reliable temperature control across a wide range of commercial and industrial HVAC applications. With its open-on-rise switching action and broad temperature sensing range, this thermostat is ideal for use in heating, ventilation, and process control systems where dependable high-temperature response is essential.
Key Features
- Wide temperature sensing range of 120°F to 240°F for high-temperature applications
- SPST (Single-Pole, Single-Throw) switching action — opens on temperature rise for safety and control
- Compatible with 120, 208, and 240 VAC line voltage systems
- 6-foot capillary tube provides flexible remote sensing capability
- Durable utility-grade construction suited for demanding commercial and industrial environments
- Simple, reliable mechanical operation with no complex electronics to fail
Specifications
- Brand: Johnson Controls
- Model / SKU: A19AAB-26
- Voltage: 120/208/240 VAC
- Temperature Range: 120°F – 240°F
- Capillary Length: 6 feet
- Switch Type: SPST
- Switch Action: Open on Rise
Typical Applications
- Commercial and industrial heating equipment control
- Ventilation and air handling unit temperature regulation
- Process heating and high-temperature limit control
- Duct and plenum temperature sensing
- OEM equipment integration requiring line-voltage thermostat control
The A19AAB-26 is a trusted Johnson Controls solution for contractors and facility managers who need a straightforward, dependable line-voltage thermostat with a wide sensing range. Its open-on-rise SPST action makes it well-suited for high-limit or safety shutoff applications, while the 6-foot capillary ensures installation flexibility in tight or remote sensing locations.
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