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

JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-302 - Retrofit Kits
JOHNSON CONTROLSRetrofit Kits

JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-302

The JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp (SKU 3G-OTH-70038) is a retrofit kit designed to replace Robertshaw models. It features reverse thermostat action, horizontal mounting with a…

SKU 3G-OTH-70038

Also listed as: T4002302 · T 4002 302

Brand
JOHNSON CONTROLS
Item
Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-302
Category
Retrofit Kits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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-4002-302
Type
T-4002-302, Reverse
Replaces Brand
Robertshaw
Thermostat Action
Reverse
Manufacturer Model Number
T-4002-302
Mounting Direction/Cover Color
Horizontal/White
Number of Pipes/Air Flow Output
2 Pipes, High Volume

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 Pneumatic Thermostat Conversion Kit: Single Temp (SKU 3G-OTH-70038) is a retrofit kit designed to replace Robertshaw models. It features reverse thermostat action, horizontal mounting with a white cover, and a 2-pipe, high-volume air flow output. This kit is identified by manufacturer part number T-4002-302.

Frequently Asked Questions

What is the JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit T-4002-302 used for?

This retrofit kit replaces older Robertshaw pneumatic thermostats in commercial HVAC systems. It is designed for single-temperature control with reverse thermostat action, horizontal mounting, and a white cover. The 2-pipe, high-volume air flow output suits constant-volume or zone-control applications.

What are the specifications of the JOHNSON CONTROLS T-4002-302 conversion kit?

The JOHNSON CONTROLS T-4002-302 is a single-temperature pneumatic thermostat conversion kit with reverse action. It features horizontal mounting, a white cover, and 2-pipe high-volume air flow output. It replaces Robertshaw models and is identified by manufacturer part number T-4002-302.

Where to buy the JOHNSON CONTROLS T-4002-302 conversion kit worldwide?

3G Electric supplies the JOHNSON CONTROLS T-4002-302 conversion kit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the JOHNSON CONTROLS T-4002-302 pneumatic thermostat conversion kit?

Installation involves mounting the kit horizontally, connecting the 2-pipe pneumatic lines, and verifying reverse thermostat action. Ensure the air supply is clean and at the correct pressure. Follow standard HVAC retrofit practices and consult the manufacturer's instructions for specific wiring 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 retrofit kits. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Pneumatic Thermostat Conversion Kit: For Johnson Controls T-4000 Series, Hardware Kit, T-4000-611
JOHNSON CONTROLS
Pneumatic Thermostat Conversion Kit: For Johnson Controls T-4000 Series, Hardware Kit, T-4000-611
Pneumatic Thermostat Conversion Kit: For Johnson Controls T-4000 Series, Hardware Kit, T-4000-610
JOHNSON CONTROLS
Pneumatic Thermostat Conversion Kit: For Johnson Controls T-4000 Series, Hardware Kit, T-4000-610
Pneumatic Thermostat Conversion Kit: For Johnson Controls T-4000 Series, Model Universal, T-4000-630
JOHNSON CONTROLS
Pneumatic Thermostat Conversion Kit: For Johnson Controls T-4000 Series, Model Universal, T-4000-630
Pneumatic Thermostat Conversion Kit: For Johnson Controls T-4000 Series, Model Universal, T-4000-605
JOHNSON CONTROLS
Pneumatic Thermostat Conversion Kit: For Johnson Controls T-4000 Series, Model Universal, T-4000-605
JOHNSON CONTROLS Pneumatic Thermostat: 2 Pipes, High Volume Pipes/Air Flow Output, Reverse (MPN T-4002-9014)
JOHNSON CONTROLS
JOHNSON CONTROLS Pneumatic Thermostat: 2 Pipes, High Volume Pipes/Air Flow Output, Reverse (MPN T-4002-9014)
JOHNSON CONTROLS Pneumatic Thermostat: 55° to 85°F, 2 Pipes, High Volume Pipes/Air Flow Output (MPN T-4002-204)
JOHNSON CONTROLS
JOHNSON CONTROLS Pneumatic Thermostat: 55° to 85°F, 2 Pipes, High Volume Pipes/Air Flow Output (MPN T-4002-204)

More from JOHNSON CONTROLS

View all JOHNSON CONTROLS parts
JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-304, Reverse
JOHNSON CONTROLS
JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-304, Reverse
JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-303, Direct
JOHNSON CONTROLS
JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-303, Direct
JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-301, Direct
JOHNSON CONTROLS
JOHNSON CONTROLS Pneumatic Thermostat Conversion Kit: Single Temp, T-4002-301, Direct