Johnson Controls A19ADB-29 Temperature Control – Remote Bulb Thermostat, 90–325°F Range, Manual Reset
The Johnson Controls A19ADB-29 Temperature Control is a high-performance utility thermostat designed for accurate and dependable temperature regulation in a wide range of commercial and industrial applications. Featuring a remote bulb sensor, manual reset, and a broad temperature range of 90°F to 325°F, this control is ideal for equipment requiring precise temperature monitoring and safety cutoff functionality.
Built with a 10-foot capillary length, the A19ADB-29 offers flexible installation and reliable sensing even in hard-to-reach locations. Its enclosed setpoint adjustment ensures secure operation, while the SPST output and Open High configuration make it a trusted choice for high-temperature limit applications.
Key Features
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Temperature Range: 90°F to 325°F
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Voltage: 120/208/240 VAC
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Sensor Type: Remote bulb with 10' capillary
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Output: SPST (Single-Pole, Single-Throw)
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Manual Reset for enhanced safety
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Open High operation for limit control
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Enclosed setpoint adjustment for secure settings
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Adjustable differential for precise temperature control
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No power required for operation (A19 Series)
Series Overview
A19 Series:
A single-stage SPDT temperature control designed for heating or cooling applications. Uses a liquid-filled sensing element with capillary and features adjustable differential and optional exposed or concealed setpoint dial. Switches line voltages directly.
A28 Series (for comparison):
Two-stage control with 2-SPDT outputs, ideal for more advanced heating and cooling applications.
Additional Information
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Stages: Single
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Fan Switching: No
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System Switching: No
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Kele Description: TEMP CTRL/90/325F/MAN RESET/10FT CAP/SPST
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Manufacturer: Johnson Controls
The Johnson Controls A19ADB-29 Utility Thermostat delivers dependable temperature management, flexible installation, and rugged performance, making it a top choice for HVAC systems, industrial equipment, and high-limit applications. Ideal for technicians, maintenance professionals, and OEM integrations.