Johnson Controls A421GBF-02C Electronic Temperature Control

The Johnson Controls A421GBF-02C Electronic Temperature Control delivers reliable, precise control for commercial HVAC and 1-stage refrigeration applications.

Designed for DIN rail and surface mounting, this control module features a 24 Volt AC contact rating, a rugged NEMA 1 enclosure, and an included A99BB-200C temperature sensor to ensure accurate feedback and easy installation.

Designed for reliable operation in busy environments, the A421GBF-02C delivers stable temperature control with simple wiring and fast sensor feedback. Its rugged build and standard 24 VAC input make it a versatile choice for commercial refrigeration and HVAC systems.

• 24 VAC contact rating ensures compatibility with common HVAC controls.
• NEMA 1 enclosure gives dependable indoor protection and durability.
• 6 ft 7-1/5 in cable length provides flexible installation options.
• DIN rail and surface mounting options for versatile setup.
• Includes A99BB-200C temperature sensor for immediate integration.
• Ideal for 1-stage refrigeration and HVAC control applications.