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JOHNSON CONTROLS Line Volt Mechanical Tstat: 20° to 80°F, Steel, Adj, 2° to 7°F - Indoor Two-Stage Controls
JOHNSON CONTROLSIndoor Two-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: 20° to 80°F, Steel, Adj, 2° to 7°F

The JOHNSON CONTROLS A28GA-23C is an indoor two-stage control, a line-voltage mechanical thermostat with a 20° to 80°F temperature control range. It features an adjustable 2° to 7°F differential, SPDT switch action…

SKU 3G-OTH-67874

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: 20° to 80°F, Steel, Adj, 2° to 7°F
Category
Indoor Two-Stage Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A28GA-23C
Type
Steel, Adj, 2° to 7°F
AC Volt
24 to 277V
Voltage
24 to 277V AC
Differential Type
Adjustable
Enclosure Material
Steel
Switch Type/Action
SPDT, Open/Close on Rise
Temperature Differential
2° to 7°F
Temperature Control Range
20° to 80°F
Capillary Length/Bulb Diameter
6 ft Capillary, 3/8 in Bulb
View Full Spec Sheet

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

Product Description

The JOHNSON CONTROLS A28GA-23C is an indoor two-stage control, a line-voltage mechanical thermostat with a 20° to 80°F temperature control range. It features an adjustable 2° to 7°F differential, SPDT switch action (open/close on rise), and operates on 24 to 277V AC. The unit includes a steel enclosure, a 6 ft capillary, and a 3/8 in bulb.

Frequently Asked Questions

What is the JOHNSON CONTROLS A28GA-23C used for?

The JOHNSON CONTROLS A28GA-23C is an indoor two-stage line-voltage mechanical thermostat used for temperature control in HVAC systems. It is suitable for commercial or industrial applications requiring a 20° to 80°F range, adjustable differential, and SPDT switching on temperature rise.

What are the specifications of the JOHNSON CONTROLS A28GA-23C?

The JOHNSON CONTROLS A28GA-23C has a temperature control range of 20° to 80°F, an adjustable differential of 2° to 7°F, and operates on 24 to 277V AC. It features SPDT switch action (open/close on rise), a steel enclosure, a 6 ft capillary, and a 3/8 in bulb.

Where to buy the JOHNSON CONTROLS A28GA-23C worldwide?

You can source the JOHNSON CONTROLS A28GA-23C through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install the JOHNSON CONTROLS A28GA-23C thermostat?

Install the JOHNSON CONTROLS A28GA-23C by mounting the steel enclosure in a dry indoor location. Connect the SPDT switch per the wiring diagram for 24 to 277V AC. Position the 6 ft capillary and 3/8 in bulb in the controlled airstream. Adjust the differential and setpoint as needed.

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 indoor two-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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