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
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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.
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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.




