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JOHNSON CONTROLS T-4000-2139 Beige Plastic Pneumatic Thermostat Cover - Pneumatic Thermostat Covers
JOHNSON CONTROLSPneumatic Thermostat Covers

JOHNSON CONTROLS T-4000-2139 Beige Plastic Pneumatic Thermostat Cover

The Johnson Controls T-4000-2139 is a beige plastic thermostat cover designed for the Johnson Controls T-4000 series pneumatic thermostat. This horizontal-mounting accessory includes a cover with logo and is…

SKU 3G-OTH-69254

Also listed as: T40002139 · T 4000 2139

Brand
JOHNSON CONTROLS
Item
T-4000-2139 Beige Plastic Pneumatic Thermostat Cover
Category
Pneumatic Thermostat Covers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
T-4000-2139
Material
Plastic
Color
Beige
Includes
Cover with Logo
Accessory Type
Thermostat Cover
Color/Material
Beige, Plastic
Mounting Direction
Horizontal
Compatible Brand and Series
Johnson Controls T-4000

Technical Documents

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Johnson Controls T-4000-2139 is a beige plastic thermostat cover designed for the Johnson Controls T-4000 series pneumatic thermostat. This horizontal-mounting accessory includes a cover with logo and is compatible with the T-4000 brand and series.

Frequently Asked Questions

What is the Johnson Controls T-4000-2139 thermostat cover used for?

The Johnson Controls T-4000-2139 is a beige plastic cover designed to protect and enclose the T-4000 series pneumatic thermostat. It mounts horizontally and includes the Johnson Controls logo, making it ideal for commercial HVAC applications where a clean, branded appearance is required.

What are the specifications of the Johnson Controls T-4000-2139 thermostat cover?

The T-4000-2139 is a thermostat cover accessory for the Johnson Controls T-4000 series. It is made of beige plastic, mounts horizontally, and includes a cover with the Johnson Controls logo. The manufacturer part number is T-4000-2139.

Where to buy the Johnson Controls T-4000-2139 thermostat cover worldwide?

3G Electric supplies the Johnson Controls T-4000-2139 thermostat cover to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine Johnson Controls accessory.

How to install the Johnson Controls T-4000-2139 thermostat cover?

To install the T-4000-2139 cover, first ensure the T-4000 thermostat is properly mounted horizontally. Align the cover over the thermostat base and snap it into place. No tools are required. Always follow the manufacturer's instructions for your specific thermostat model.

Used in

Common applications for JOHNSON CONTROLS
Industrial refrigeration — Johnson Controls P170SA-1C dual pressure control for compressor protection in ammonia or halocarbon systems
Chiller plant automation — Johnson Controls VA7810-HGA-2 electric globe valve actuator for modulating chilled water flow in VG7000 series valves
Pneumatic HVAC retrofit — Johnson Controls T-4002-302 conversion kit for upgrading existing Robertshaw thermostats in commercial buildings
Cooling tower water management — Johnson Controls V-4332-1007 pneumatically actuated diaphragm valve for 3-way diverting of water flow
Boiler fuel oil pressure monitoring — Johnson Controls P545NCB-25C electronic lube oil pressure control with alarm for burner management systems
Process pressure sensing — Johnson Controls P599AAPS105C pressure transmitter with IP67 rating for washdown zones in food and beverage plants

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS pneumatic thermostat covers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Beige plastic cover for Johnson Controls T-4000 series pneumatic thermostats. Includes built-in thermometer, setpoint window, and logo. Designed for horizontal mounting. Used as a replacement accessory in commercial HVAC pneumatic control systems
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White plastic cover for Johnson Controls T-4000 series pneumatic thermostats. Includes a setpoint window and logo. Mounts vertically. Protects the thermostat while allowing adjustment access. Used in commercial HVAC systems for temperature control
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White plastic cover for Johnson Controls T-4000 series pneumatic thermostats. Designed for horizontal mounting, it includes a setpoint window and logo. Used as a replacement or upgrade accessory to protect the thermostat while allowing clear viewing of the temperature setting

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