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JOHNSON CONTROLS Line Volt Mechanical Tstat: 35° to 45°F, Steel, Manual Reset - Freeze Protection Indoor Single-Stage Controls
JOHNSON CONTROLSFreeze Protection Indoor Single-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: 35° to 45°F, Steel, Manual Reset

The JOHNSON CONTROLS A11A-1C is a freeze protection indoor single-stage control with a temperature control range of 35° to 45°F. It features a manual reset differential type, a 12°F temperature differential, and an…

SKU 3G-OTH-67854

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: 35° to 45°F, Steel, Manual Reset
Category
Freeze Protection Indoor Single-Stage Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A11A-1C
Type
Steel, Manual Reset, 12°F
Voltage
24 to 277V AC
Differential Type
Manual Reset
Enclosure Material
Steel
Switch Type/Action
SPST, Close on Rise
Temperature Differential
12°F
Temperature Control Range
35° to 45°F
Capillary Length/Bulb Diameter
4 ft Capillary, 20 ft x 1/8 in Bulb
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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS A11A-1C is a freeze protection indoor single-stage control with a temperature control range of 35° to 45°F. It features a manual reset differential type, a 12°F temperature differential, and an SPST switch action that closes on rise. This steel-enclosed thermostat operates on 24 to 277V AC and includes a 4 ft capillary with a 20 ft x 1/8 in bulb.

Frequently Asked Questions

What is the JOHNSON CONTROLS A11A-1C used for?

The JOHNSON CONTROLS A11A-1C is a freeze protection thermostat for indoor single-stage control. It prevents pipes and equipment from freezing by closing its SPST switch on temperature rise, activating alarms or heaters. Typical applications include HVAC systems, refrigeration, and process control in commercial and industrial buildings.

What are the specifications of the JOHNSON CONTROLS A11A-1C?

The JOHNSON CONTROLS A11A-1C has a temperature control range of 35° to 45°F, a 12°F differential, and a manual reset. It operates on 24 to 277V AC with an SPST switch that closes on rise. The steel enclosure includes a 4 ft capillary and a 20 ft x 1/8 in bulb.

Where to buy the JOHNSON CONTROLS A11A-1C worldwide?

You can source the JOHNSON CONTROLS A11A-1C 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; we provide competitive pricing and reliable sourcing for this freeze protection thermostat.

How to install the JOHNSON CONTROLS A11A-1C?

Mount the JOHNSON CONTROLS A11A-1C in a dry indoor location, ensuring the bulb is fully immersed in the sensed medium. Wire the SPST switch per the close-on-rise action for your alarm or heater circuit. Set the dial to the desired cut-in temperature between 35° and 45°F. After a trip, press the manual reset button to restore operation.

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 freeze protection 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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