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JOHNSON CONTROLS Line Volt Mechanical Tstat: 100° to 240°F, Steel, Fixed, 6°F - High-Range Indoor Single-Stage Controls
JOHNSON CONTROLSHigh-Range Indoor Single-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: 100° to 240°F, Steel, Fixed, 6°F

The JOHNSON CONTROLS A19AAC-9C is a high-range indoor single-stage line-voltage mechanical thermostat with a fixed 6°F differential and a temperature control range of 100° to 240°F. It features a steel enclosure…

SKU 3G-OTH-68404

Also listed as: A19AAC9C · A19AAC 9C

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: 100° to 240°F, Steel, Fixed, 6°F
Category
High-Range Indoor Single-Stage Controls
Available to Order
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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
A19AAC-9C
Type
Steel, Fixed, 6°F
AC Volt
120 to 277V
Voltage
120 to 277V AC
Differential Type
Fixed
Enclosure Material
Steel
Switch Type/Action
SPDT, Open/Close on Rise
Temperature Differential
6°F
Temperature Control Range
100° to 240°F
Capillary Length/Bulb Diameter
6 ft Capillary, 3-1/2 in x 3/8 in Bulb

Technical Documents

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

Product Description

The JOHNSON CONTROLS A19AAC-9C is a high-range indoor single-stage line-voltage mechanical thermostat with a fixed 6°F differential and a temperature control range of 100° to 240°F. It features a steel enclosure, SPDT switch action (open/close on rise), and operates on 120 to 277V AC. The unit includes a 6 ft capillary with a 3-1/2 in x 3/8 in bulb.

Frequently Asked Questions

What is the JOHNSON CONTROLS A19AAC-9C thermostat used for?

The JOHNSON CONTROLS A19AAC-9C is a high-range indoor single-stage line-voltage mechanical thermostat used for temperature control in commercial and industrial HVAC systems. It is suitable for applications requiring a fixed 6°F differential and a control range of 100° to 240°F, such as duct heaters or unit heaters.

What are the specifications of the JOHNSON CONTROLS A19AAC-9C?

The JOHNSON CONTROLS A19AAC-9C has a temperature control range of 100° to 240°F, a fixed 6°F differential, and operates on 120 to 277V AC. It features SPDT switch action (open/close on rise), a steel enclosure, and a 6 ft capillary with a 3-1/2 in x 3/8 in bulb.

Where to buy the JOHNSON CONTROLS A19AAC-9C worldwide?

You can source the JOHNSON CONTROLS A19AAC-9C through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the JOHNSON CONTROLS A19AAC-9C thermostat?

Install the JOHNSON CONTROLS A19AAC-9C by mounting the steel enclosure in a dry indoor location. Connect the SPDT switch per the wiring diagram for 120 to 277V AC. Ensure the 6 ft capillary and bulb are properly positioned to sense the controlled air temperature. Follow local electrical 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 high-range indoor single-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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