Johnson Controls A19ABA-40 Thermostat Remote Bulb

Special Price $181.94 Regular Price $237.21
Out of stock
SKU
A19ABA-40
The Johnson Controls A19ABA-40 Thermostat is a reliable single-stage regulator equipped with a remote bulb sensor capable of precise temperature regulation. This includes a remote bulb sensor which enables flexible installation positioning outside the control unit making it suitable for refrigeration and heating and industrial applications. This delivers stable operational results with adjustable settings through a wide operating temperature spectrum for efficient energy use and system defense. The partmaintains long-term durability through its solid structure and provides users with an intuitive installation process and operation method. This controls temperature effectively to decrease energy expenses while improving equipment operational efficiency.

Dimensions

  • Length: 1 In
  • Width: 1 In
  • Height: 1 In
  • Weight: 1 lbs
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Customer Questions
What maintenance is required for the Johnson Controls A19ABA-40 Thermostat Remote Bulb?

Inspect the remote bulb, capillary tube, and thermostat housing regularly for physical damage, kinks, or refrigerant/oil leakage in the sensing line. Ensure electrical terminals are tight and free from corrosion to maintain accurate switching performance. Keep the sensing bulb clean and properly positioned for correct temperature response. Always disconnect power before servicing to prevent electrical shock.

What are common issues with the Johnson Controls A19ABA-40 Thermostat Remote Bulb?

  • Capillary tube leaks or breakage affecting sensing accuracy.
  • Remote bulb misplacement causing incorrect temperature readings.
  • Slow response due to insulation or buildup around bulb.
  • Electrical connection faults leading to intermittent control.
  • Calibration drift over time affecting temperature regulation.

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Installation Steps

Step1: Switch off electrical supply and isolate the controlled system.

Step2: Mount thermostat body on a stable, vibration-free surface.

Step3: Position remote bulb in sensing area, avoiding direct heat or airflow interference.

Step4: Secure capillary tube without sharp bends or kinks.

Step5: Connect wiring terminals as per circuit diagram securely.

Step6: Restore power and adjust setpoint, then check accurate temperature response.