T-4002-5018 Johnson Controls

Overview

The Johnson Controls T-4002-5018 is an external setpoint adjustment dial designed for use with T-4000 Series pneumatic room thermostats. This vertical-mount dial allows HVAC service technicians and facility managers to provide a means for manual temperature adjustment on thermostats that are otherwise protected by a cover. It serves as a high-quality replacement or accessory for worn or damaged dials, ensuring precise control over the pneumatic signal sent to controlled devices.

Features

• Designed for vertical mounting configurations on T-4000 series thermostats
• Provides external setpoint adjustment without requiring cover removal
• Features a Fahrenheit (F) scale for temperature settings
• Includes a dial, pointer, and a captivated dial holding screw for secure installation
• Durable plastic construction suitable for commercial and industrial HVAC environments
• High-visibility markings for easy reading and accurate adjustments

Specifications

• Brand: Johnson Controls
• Model Number: T-4002-5018
• Accessory Type: Thermostat Knob / Set Point Dial
• Orientation: Vertical
• Scale: Fahrenheit (55 to 85 degrees F)
• Material: Plastic
• Compatibility: T-4000 Series Thermostats (specifically models T-4002-201, T-4002-202, T-4002-203, and T-4002-204)
• Weight: Approximately 0.10 lbs

Applications

• Commercial and industrial building automation systems (BAS)
• Maintenance and repair of 2-pipe high-volume output pneumatic thermostats
• HVAC systems requiring manual, localized temperature setpoint overrides
• Retrofitting existing T-4000 series pneumatic control setups in schools, hospitals, and office buildings