Johnson Controls A19ABA-40C Remote Bulb Temperature Control

Remote Bulb Temperature Control from Johnson Controls A19ABA-40C delivers precise monitoring for remote sensing environments. This Remote Bulb Temperature Control operates from -30 to 100°F, with an adjustable differential of 3 to 12°F and a 6-foot cap for flexible placement.

Designed for reliable performance in heating, cooling, and equipment monitoring, this unit integrates smoothly with Johnson Controls systems and provides consistent readings where ambient sensors are not practical.

Whether used in commercial HVAC, industrial equipment, or controlled environments, the intuitive design simplifies installation and ongoing control.

• Wide temperature range: -30 to 100°F to cover extreme environments.
• Adjustable differential: 3–12°F to fine-tune response.
• 6-foot cap: Long cap for flexible sensor installation.
• Remote bulb sensing: Delivers accurate readings away from main controls.
• Johnson Controls compatibility: Tailored for use with A19ABA-40C systems in HVAC and equipment monitoring.