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JOHNSON CONTROLS Pneumatic Thermostat: 55° to 85°F, 2 Pipes - Single-Temperature Thermostats
JOHNSON CONTROLSSingle-Temperature Thermostats

JOHNSON CONTROLS Pneumatic Thermostat: 55° to 85°F, 2 Pipes

The JOHNSON CONTROLS Pneumatic Thermostat (SKU T-4002-203, MPN T-4002-203) is a single-temperature thermostat with a temperature control range of 55° to 85°F. It features direct thermostat action and a 2-pipe…

SKU 3G-OTH-69872

Also listed as: T4002203 · T 4002 203

Brand
JOHNSON CONTROLS
Item
Pneumatic Thermostat: 55° to 85°F, 2 Pipes
Category
Single-Temperature Thermostats
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
T-4002-203
Type
High Volume Pipes/Air Flow Output
Pipes
2
Thermostat Action
Direct
Temperature Control Range
55° to 85°F
Number of Pipes/Air Flow Output
2 Pipes, High Volume
Mounting Direction/Includes Cover
Vertical, No

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

Product Description

The JOHNSON CONTROLS Pneumatic Thermostat (SKU T-4002-203, MPN T-4002-203) is a single-temperature thermostat with a temperature control range of 55° to 85°F. It features direct thermostat action and a 2-pipe, high-volume air flow output. This unit is designed for vertical mounting and does not include a cover.

Frequently Asked Questions

What is the JOHNSON CONTROLS T-4002-203 pneumatic thermostat used for?

The JOHNSON CONTROLS T-4002-203 is a single-temperature pneumatic thermostat used in HVAC systems to regulate space temperature by controlling high-volume air flow through two pipes. It is commonly applied in commercial buildings for zone-based temperature control, operating with direct thermostat action.

What are the specifications of the JOHNSON CONTROLS T-4002-203 pneumatic thermostat?

The JOHNSON CONTROLS T-4002-203 has a temperature control range of 55° to 85°F, features 2-pipe high-volume air flow output, and direct thermostat action. It is designed for vertical mounting and does not include a cover. The manufacturer part number is T-4002-203.

Where to buy the JOHNSON CONTROLS T-4002-203 pneumatic thermostat worldwide?

3G Electric supplies the JOHNSON CONTROLS T-4002-203 pneumatic thermostat to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this single-temperature thermostat to your facility. Contact us for availability and lead time.

How to install the JOHNSON CONTROLS T-4002-203 pneumatic thermostat?

Install the JOHNSON CONTROLS T-4002-203 vertically on a wall or panel, ensuring the two high-volume air pipes are connected per the system's pneumatic schematic. Verify the direct thermostat action matches the control sequence. Always follow standard HVAC installation practices and consult the manufacturer's manual for precise piping and calibration steps.

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 single-temperature thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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