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JOHNSON CONTROLS Pneumatic Thermostat: 55° to 85°F, 1 Pipe - Single-Temperature Thermostats
JOHNSON CONTROLSSingle-Temperature Thermostats

JOHNSON CONTROLS Pneumatic Thermostat: 55° to 85°F, 1 Pipe

The JOHNSON CONTROLS Pneumatic Thermostat (MPN T-4100-2) is a single-temperature thermostat with a reverse action and a temperature control range of 55° to 85°F. It features a 1 Pipe, Low Volume air flow output and…

SKU 3G-OTH-69795

Also listed as: T41002 · T 4100 2

Brand
JOHNSON CONTROLS
Item
Pneumatic Thermostat: 55° to 85°F, 1 Pipe
Category
Single-Temperature Thermostats
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
T-4100-2
Type
Low Volume Pipes/Air Flow Output
Pipe
1
Thermostat Action
Reverse
Temperature Control Range
55° to 85°F
Number of Pipes/Air Flow Output
1 Pipe, Low 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 (MPN T-4100-2) is a single-temperature thermostat with a reverse action and a temperature control range of 55° to 85°F. It features a 1 Pipe, Low Volume air flow output and is designed for vertical mounting without a cover.

Frequently Asked Questions

What is the JOHNSON CONTROLS T-4100-2 pneumatic thermostat used for?

The JOHNSON CONTROLS T-4100-2 is a single-temperature pneumatic thermostat used in HVAC systems to regulate room temperature by controlling air flow to actuators or valves. It is commonly applied in commercial buildings for zone temperature control, particularly in retrofit or pneumatic control system upgrades.

What are the specifications of the JOHNSON CONTROLS T-4100-2?

The JOHNSON CONTROLS T-4100-2 has a temperature control range of 55° to 85°F, reverse thermostat action, and a 1 Pipe, Low Volume air flow output. It is designed for vertical mounting without a cover. The manufacturer part number is T-4100-2.

Where to buy the JOHNSON CONTROLS T-4100-2 worldwide?

3G Electric supplies the JOHNSON CONTROLS T-4100-2 pneumatic thermostat to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this reverse-action, single-pipe thermostat.

How to install a JOHNSON CONTROLS T-4100-2 pneumatic thermostat?

Mount the JOHNSON CONTROLS T-4100-2 vertically on a wall or junction box. Connect the single pneumatic line to the low-volume port. Ensure the reverse-action setting matches your valve or actuator. Calibrate the setpoint within the 55° to 85°F range. Always follow local HVAC codes.

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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