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JOHNSON CONTROLS T-4506-203 Day/Night Pneumatic Thermostat, Horizontal, 55-85°F - Dual-Temperature Thermostats
JOHNSON CONTROLSDual-Temperature Thermostats

JOHNSON CONTROLS T-4506-203 Day/Night Pneumatic Thermostat, Horizontal, 55-85°F

The JOHNSON CONTROLS Pneumatic Thermostat (SKU T-4506-203, MPN T-4506-203) is a Day/Night dual-temperature thermostat with a temperature control range of 55° to 85°F. It features direct-acting operation at 15 psig…

SKU 3G-OTH-69688

Also listed as: T4506203 · T 4506 203

Brand
JOHNSON CONTROLS
Item
T-4506-203 Day/Night Pneumatic Thermostat, Horizontal, 55-85°F
Category
Dual-Temperature Thermostats
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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-4506-203
Type
Horizontal, No, Day/Night
Thermostat Action
Direct - 15 psig (Day), Direct - 20 psig (Night)
Pneumatic Thermostat Type
Day/Night
Temperature Control Range
55° to 85°F (Day/Night)
Number of Pipes/Air Flow Output
2 Pipes, High Volume
Mounting Direction/Includes Cover
Horizontal, No

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

Product Description

The JOHNSON CONTROLS Pneumatic Thermostat (SKU T-4506-203, MPN T-4506-203) is a Day/Night dual-temperature thermostat with a temperature control range of 55° to 85°F. It features direct-acting operation at 15 psig during the day and 20 psig at night, with a 2-pipe, high-volume air flow output. This unit is designed for horizontal mounting and does not include a cover.

Frequently Asked Questions

What is the JOHNSON CONTROLS T-4506-203 pneumatic thermostat used for?

The JOHNSON CONTROLS T-4506-203 is a Day/Night pneumatic thermostat used in commercial HVAC systems to regulate temperature between 55° and 85°F. It switches between direct-acting 15 psig (day) and 20 psig (night) modes, making it ideal for buildings with occupied/unoccupied schedules.

What are the specifications of the JOHNSON CONTROLS T-4506-203?

The JOHNSON CONTROLS T-4506-203 is a Day/Night pneumatic thermostat with a 55° to 85°F temperature range. It uses 2 pipes with high-volume air flow, direct-acting at 15 psig (day) and 20 psig (night). Mounting is horizontal, and it does not include a cover.

Where to buy the JOHNSON CONTROLS T-4506-203 worldwide?

3G Electric supplies the JOHNSON CONTROLS T-4506-203 pneumatic thermostat worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Day/Night dual-temperature thermostat to your facility. Contact us for availability and lead time.

How to install the JOHNSON CONTROLS T-4506-203 pneumatic thermostat?

Mount the JOHNSON CONTROLS T-4506-203 horizontally on a wall or panel. Connect the 2-pipe high-volume air supply per the direct-acting 15 psig (day) and 20 psig (night) settings. Ensure the thermostat is level and free from drafts. Calibrate the temperature range of 55° to 85°F per manufacturer guidelines.

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 dual-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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Pneumatic dual-temperature thermostat for day/night operation with direct-acting control: 15 psig during day and 20 psig at night. Temperature range 55° to 85°F. Two-pipe high-volume air flow design. Horizontal mounting, cover not included. Suitable for commercial HVAC zoning applications requiring separate day and night setpoints
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Pneumatic thermostat for HVAC systems, providing single-temperature control from 55° to 85°F. Direct-acting with two high-volume pipes for air flow output. Designed for horizontal mounting; cover not included. Suitable for regulating pneumatic actuators in commercial and industrial environments
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Pneumatic thermostat for heating and cooling applications. Direct action at 20 psig, reverse action at 15 psig. Temperature control range 55° to 85°F. Two-pipe high volume air flow output. Horizontal mounting, cover not included
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Pneumatic thermostat for heating and cooling applications. Direct action at 20 psig, reverse action at 15 psig. Temperature control range 55° to 85°F. Two-pipe high volume air flow output. Horizontal mounting, cover not included
Pneumatic thermostat for heating and cooling control in commercial HVAC systems. Features a 2-pipe high-volume air flow output with direct action at 15 psig and reverse action at 20 psig. Temperature control range is 55° to 85°F. Designed for horizontal mounting; cover not included
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Pneumatic thermostat for heating and cooling control in commercial HVAC systems. Features a 2-pipe high-volume air flow output with direct action at 15 psig and reverse action at 20 psig. Temperature control range is 55° to 85°F. Designed for horizontal mounting; cover not included
This pneumatic thermostat is designed for heating and cooling applications in commercial HVAC systems. It features a temperature control range of 55° to 85°F, with direct action at 15 psig and reverse action at 20 psig. The unit has 2 high-volume pipes for air flow output and is intended for vertical mounting (cover not included)
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This pneumatic thermostat is designed for heating and cooling applications in commercial HVAC systems. It features a temperature control range of 55° to 85°F, with direct action at 15 psig and reverse action at 20 psig. The unit has 2 high-volume pipes for air flow output and is intended for vertical mounting (cover not included)
Pneumatic dual-temperature thermostat for day/night operation. Direct-acting: 15 psig during day, 20 psig at night. Temperature control range 55° to 85°F. Two-pipe high-volume air flow output. Vertical mounting; cover not included. Used in commercial HVAC systems for zones requiring separate day and night setpoints
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Pneumatic dual-temperature thermostat for day/night operation. Direct-acting: 15 psig during day, 20 psig at night. Temperature control range 55° to 85°F. Two-pipe high-volume air flow output. Vertical mounting; cover not included. Used in commercial HVAC systems for zones requiring separate day and night setpoints
This pneumatic thermostat is designed for day/night dual-temperature control in commercial HVAC systems. It features direct and reverse action, operates with two pipes and high-volume air flow, and has a temperature range of 55° to 85°F. The unit is intended for horizontal mounting and does not include a cover
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This pneumatic thermostat is designed for day/night dual-temperature control in commercial HVAC systems. It features direct and reverse action, operates with two pipes and high-volume air flow, and has a temperature range of 55° to 85°F. The unit is intended for horizontal mounting and does not include a cover
Pneumatic thermostat for heating and cooling control in commercial HVAC systems. Features a 55° to 85°F temperature range, 2-pipe high-volume air flow output, direct action at 20 psig and reverse action at 15 psig. Designed for horizontal mounting; cover not included
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Pneumatic thermostat for heating and cooling control in commercial HVAC systems. Features a 55° to 85°F temperature range, 2-pipe high-volume air flow output, direct action at 20 psig and reverse action at 15 psig. Designed for horizontal mounting; cover not included
Pneumatic thermostat for heating and cooling control in commercial HVAC systems. Direct action at 20 psig and reverse action at 15 psig. Two-pipe high-volume air flow output. Vertical mounting; cover not included
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