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JOHNSON CONTROLS Line Volt Mechanical Tstat: -30° to 100°F, Steel, Adj - Indoor Two-Stage Controls
JOHNSON CONTROLSIndoor Two-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: -30° to 100°F, Steel, Adj

The JOHNSON CONTROLS A28AA-29C is an indoor two-stage line-voltage mechanical thermostat with a temperature control range of -30° to 100°F. It features an adjustable differential of 5°/2° to 7°F, SPDT switch action…

SKU 3G-OTH-67866

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: -30° to 100°F, Steel, Adj
Category
Indoor Two-Stage Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A28AA-29C
Type
Steel, Adj, 5°/2° to 7°F
Voltage
24 to 277V AC
Differential Type
Adjustable
Enclosure Material
Steel
Switch Type/Action
SPDT, Open/Close on Rise
Temperature Differential
5°/2° to 7°F
Temperature Control Range
-30° to 100°F
Capillary Length/Bulb Diameter
8 ft Capillary, 8 ft x 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 A28AA-29C is an indoor two-stage line-voltage mechanical thermostat with a temperature control range of -30° to 100°F. It features an adjustable differential of 5°/2° to 7°F, SPDT switch action (open/close on rise), and operates on 24 to 277V AC. The unit includes a steel enclosure and an 8 ft capillary with an 8 ft x 3/8 in bulb.

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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JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, 30° to 110°F, 3.5°F, 24 to 277V AC (MPN A28AA-4C). Key specifications — attr400419: 24 to 277V AC; attr400424: (2) SPDT, Open/Close on Rise; attr400415: 30° to 110°F; attr400417: 3.5°F; attr400418: Hydraulic Air Coil; attr400408: Heat or Cool; attr408361: JOHNSON CONTROLS; attr400410: Steel.
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JOHNSON CONTROLS Line Volt Mechanical Tstat: 40° to 90°F, Steel, Adj, 3.5°/2° to 7°F (MPN A28AA-36C). Key specifications — Switch Type/Action: SPDT, Open/Close on Rise; Temperature Control Range: 40° to 90°F; Temperature Differential: 3.5°/2° to 7°F; Voltage: 24 to 277V AC; Capillary Length/Bulb Diameter: 6 ft Capillary, 6 ft x 3/8 in Bulb; Brand: JOHNSON CONTROLS; Differential Type: Adjustable; Enclosure Material: Steel.
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JOHNSON CONTROLS Line Volt Mechanical Tstat: 20° to 80°F, Steel, Adj, 2° to 7°F, 24 to 277V AC Volt (MPN A28GA-23C). Key specifications — Switch Type/Action: SPDT, Open/Close on Rise; Temperature Control Range: 20° to 80°F; Temperature Differential: 2° to 7°F; Voltage: 24 to 277V AC; Capillary Length/Bulb Diameter: 6 ft Capillary, 3/8 in Bulb; Brand: JOHNSON CONTROLS; Differential Type: Adjustable; Enclosure Material: Steel.
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