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JOHNSON CONTROLS Line Volt Mechanical Tstat: 35° to 45°F, Steel, Fixed, 12°F - Freeze Protection Indoor Single-Stage Controls
JOHNSON CONTROLSFreeze Protection Indoor Single-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: 35° to 45°F, Steel, Fixed, 12°F

The JOHNSON CONTROLS A11B-1C is a freeze protection indoor single-stage control with a fixed 12°F differential and a temperature control range of 35° to 45°F. It features a SPST, Close on Rise switch action, operates…

SKU 3G-OTH-67845

Also listed as: A11B1C · A11B 1C

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: 35° to 45°F, Steel, Fixed, 12°F
Category
Freeze Protection Indoor Single-Stage Controls
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A11B-1C
Type
Steel, Fixed, 12°F
AC Volt
24 to 277V
Voltage
24 to 277V AC
Differential Type
Fixed
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

Technical Documents

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

Product Description

The JOHNSON CONTROLS A11B-1C is a freeze protection indoor single-stage control with a fixed 12°F differential and a temperature control range of 35° to 45°F. It features a SPST, Close on Rise switch action, operates on 24 to 277V AC, and includes a 4 ft capillary with a 20 ft x 1/8 in bulb. The steel enclosure houses this line volt mechanical thermostat, designed for single-stage freeze protection applications.

Frequently Asked Questions

What is the JOHNSON CONTROLS A11B-1C used for?

The JOHNSON CONTROLS A11B-1C is a freeze protection indoor single-stage control. It prevents pipes and equipment from freezing by closing a SPST switch on temperature rise, operating within a 35° to 45°F range. Common applications include HVAC systems, refrigeration, and process heating in commercial and industrial facilities.

What are the specifications of the JOHNSON CONTROLS A11B-1C?

The JOHNSON CONTROLS A11B-1C is a line volt mechanical thermostat with a fixed 12°F differential and a 35° to 45°F control range. It features a SPST, Close on Rise switch, operates on 24 to 277V AC, and includes a 4 ft capillary with a 20 ft x 1/8 in bulb. The enclosure is steel.

Where to buy the JOHNSON CONTROLS A11B-1C worldwide?

3G Electric supplies the JOHNSON CONTROLS A11B-1C to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this freeze protection control to any country.

How to install the JOHNSON CONTROLS A11B-1C?

Mount the JOHNSON CONTROLS A11B-1C in a dry indoor location, ensuring the capillary bulb is securely attached to the protected surface. Wire the SPST switch according to your 24 to 277V AC circuit, following local electrical codes. Always disconnect power before installation and consult the manufacturer's instructions for proper setup.

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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