Johnson Controls A19ABA-45C Remote Bulb Temperature Control

Remote Bulb Temperature Control from Johnson Controls A19ABA-45C delivers precise temperature management using a remote bulb sensor and SPDT switching. It operates from -30 to 100°F, with a differential adjustment of 3 to 12°F to fine-tune hysteresis for your system. The unit offers screwdriver-adjustable calibration for quick field setup.

Designed for HVAC, refrigeration, and process-control environments, this temperature control provides reliable performance with minimal maintenance. The compact module installs near the sensing bulb, isolating the sensor from ambient fluctuations and improving response time for steady comfort and efficiency.

• SPDT switching for versatile control circuits
• Temperature range: -30 to 100°F
• Differential adjustment: 3–12°F
• Screwdriver-adjustable calibration for fast setup
• Compact, durable Johnson Controls construction

Whether used in commercial systems or DIY projects, the A19ABA-45C Remote Bulb Temperature Control helps maintain precise temperatures, reduce overshoot, and optimize energy use with dependable performance.