Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
JOHNSON CONTROLS Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer, Setpoint Window - Pneumatic Thermostat Covers
JOHNSON CONTROLSPneumatic Thermostat Covers

JOHNSON CONTROLS Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer, Setpoint Window

The Johnson Controls T-4000-3142 is a white plastic pneumatic thermostat cover designed for horizontal mounting on Johnson Controls T-4000 series thermostats. It includes a cover with thermometer, setpoint window…

SKU 3G-OTH-69358

Brand
JOHNSON CONTROLS
Item
Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer, Setpoint Window
Category
Pneumatic Thermostat Covers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
T-4000-3142
Type
Cover with Thermometer, Setpoint Window, and Logo
Material
Plastic
Color
White
Includes
Cover with Thermometer, Setpoint Window, and Logo
Accessory Type
Thermostat Cover
Color/Material
White, Plastic
Mounting Direction
Horizontal
Compatible Brand and Series
Johnson Controls T-4000
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Johnson Controls T-4000-3142 is a white plastic pneumatic thermostat cover designed for horizontal mounting on Johnson Controls T-4000 series thermostats. It includes a cover with thermometer, setpoint window, and logo.

Frequently Asked Questions

What is the Johnson Controls T-4000-3142 thermostat cover used for?

The Johnson Controls T-4000-3142 is a white plastic cover designed for horizontal mounting on Johnson Controls T-4000 series pneumatic thermostats. It includes a built-in thermometer, setpoint window, and logo, providing protection and clear visibility of thermostat settings in commercial HVAC applications.

What are the specifications of the Johnson Controls T-4000-3142 thermostat cover?

The T-4000-3142 is a thermostat cover accessory for Johnson Controls T-4000 series. It is made of white plastic, mounts horizontally, and includes a cover with thermometer, setpoint window, and logo. The manufacturer part number is T-4000-3142. It does not include the thermostat itself.

Where to buy the Johnson Controls T-4000-3142 thermostat cover worldwide?

3G Electric supplies the Johnson Controls T-4000-3142 thermostat cover worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this accessory.

How to install the Johnson Controls T-4000-3142 thermostat cover?

To install the T-4000-3142 cover, first ensure the Johnson Controls T-4000 thermostat is mounted horizontally. Align the cover over the thermostat base and snap or screw it into place per the manufacturer's instructions. The cover includes a setpoint window and thermometer for easy reading after installation.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Thermostat Cover: For Johnson Controls T-4000, Cover with Setpoint Window and Logo, T-4000-3141. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Setpoint Window and Logo; Mounting Direction: Horizontal; Color: White; Color/Material: White, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-3141.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Setpoint Window and Logo, T-4000-3141. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Setpoint Window and Logo; Mounting Direction: Horizontal; Color: White; Color/Material: White, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-3141.
Thermostat Cover: For Johnson Controls T-4000, Cover with Setpoint Window and Logo, T-4000-3145. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Setpoint Window and Logo; Mounting Direction: Vertical; Color: White; Color/Material: White, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-3145.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Setpoint Window and Logo, T-4000-3145. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Setpoint Window and Logo; Mounting Direction: Vertical; Color: White; Color/Material: White, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-3145.
Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer, Setpoint Window, and Logo (MPN T-4000-2142). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Thermometer, Setpoint Window, and Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2142.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer, Setpoint Window, and Logo (MPN T-4000-2142). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Thermometer, Setpoint Window, and Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2142.
Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer, Setpoint Window, and Logo (MPN T-4000-2146). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Thermometer, Setpoint Window, and Logo; Mounting Direction: Vertical; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2146.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer, Setpoint Window, and Logo (MPN T-4000-2146). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Thermometer, Setpoint Window, and Logo; Mounting Direction: Vertical; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2146.
Thermostat Cover: For Johnson Controls T-4000, Cover with Logo, T-4000-3139. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Logo; Mounting Direction: Horizontal; Color: White; Color/Material: White, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-3139.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Logo, T-4000-3139. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Logo; Mounting Direction: Horizontal; Color: White; Color/Material: White, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-3139.
Thermostat Cover: For Johnson Controls T-4000, Blank Cover, T-4000-2138. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Blank Cover; Mounting Direction: Vertical; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2138.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Blank Cover, T-4000-2138. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Blank Cover; Mounting Direction: Vertical; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2138.

More from JOHNSON CONTROLS

View all JOHNSON CONTROLS parts →
Thermostat Cover: For Johnson Controls T-4000, Grainger Sku(s) 20RF82/38Y183/38Y184/42C193 (MPN T-4756-1738). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Compatible Grainger Part Number: 42C193; Includes: Cover with Thermometer, (2) Setpoint Windows, and Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Grainger Sku(s) 20RF82/38Y183/38Y184/42C193 (MPN T-4756-1738). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Compatible Grainger Part Number: 42C193; Includes: Cover with Thermometer, (2) Setpoint Windows, and Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic.
Thermostat Cover: For Johnson Controls T-4000, Grainger Sku(s) 20RF82/38Y183/38Y184/42C193 (MPN T-4756-2141). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Compatible Grainger Part Number: 42C193; Includes: Cover with (2) Setpoint Windows and Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Grainger Sku(s) 20RF82/38Y183/38Y184/42C193 (MPN T-4756-2141). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Compatible Grainger Part Number: 42C193; Includes: Cover with (2) Setpoint Windows and Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic.
Thermostat Cover: For Johnson Controls T-4000, Grainger Sku(s) 38Y156/38Y157/38Y158/38Y159 (MPN T-4002-3004). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Compatible Grainger Part Number: 38Y159; Includes: Cast Aluminum Guard and Mounting Plate; Mounting Direction: Horizontal; Color: Silver; Color/Material: Silver, Cast Aluminum; Material: Aluminum.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Grainger Sku(s) 38Y156/38Y157/38Y158/38Y159 (MPN T-4002-3004). Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Compatible Grainger Part Number: 38Y159; Includes: Cast Aluminum Guard and Mounting Plate; Mounting Direction: Horizontal; Color: Silver; Color/Material: Silver, Cast Aluminum; Material: Aluminum.
Thermostat Cover: For Johnson Controls T-4000, Cover with Logo, T-4000-2139. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2139.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Logo, T-4000-2139. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2139.
Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer Window and Logo, T-4000-2141. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Thermometer Window and Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2141.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Thermometer Window and Logo, T-4000-2141. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Thermometer Window and Logo; Mounting Direction: Horizontal; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2141.
Thermostat Cover: For Johnson Controls T-4000, Cover with Setpoint Window and Logo, T-4000-2145. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Setpoint Window and Logo; Mounting Direction: Vertical; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2145.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Setpoint Window and Logo, T-4000-2145. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Setpoint Window and Logo; Mounting Direction: Vertical; Color: Beige; Color/Material: Beige, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-2145.
Blank cover for WTL series thermostats: For WLT, Blank Cover, WTL-CVR-00. Key specifications — Accessory Type: Replacement Thermostat Cover; Compatible Brand and Series: WLT; Compatible Grainger Part Number: 793K24, 793K25, 793K26, 793K27, 793K28, 793K29; Includes: Blank Cover; Mounting Direction: Vertical; Color: White; Color/Material: White, Plastic; Material: Plastic.
JOHNSON CONTROLS
Blank cover for WTL series thermostats: For WLT, Blank Cover, WTL-CVR-00. Key specifications — Accessory Type: Replacement Thermostat Cover; Compatible Brand and Series: WLT; Compatible Grainger Part Number: 793K24, 793K25, 793K26, 793K27, 793K28, 793K29; Includes: Blank Cover; Mounting Direction: Vertical; Color: White; Color/Material: White, Plastic; Material: Plastic.
Thermostat Cover: For Johnson Controls T-4000, Cover with Logo, T-4000-3144. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Logo; Mounting Direction: Vertical; Color: White; Color/Material: White, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-3144.
JOHNSON CONTROLS
Thermostat Cover: For Johnson Controls T-4000, Cover with Logo, T-4000-3144. Key specifications — Accessory Type: Thermostat Cover; Compatible Brand and Series: Johnson Controls T-4000; Includes: Cover with Logo; Mounting Direction: Vertical; Color: White; Color/Material: White, Plastic; Material: Plastic; Manufacturer Part Number: T-4000-3144.