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JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 40°C - Indoor Single-Stage Controls
JOHNSON CONTROLSIndoor Single-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 40°C

The JOHNSON CONTROLS A19BBC-4C is a line-voltage mechanical thermostat for indoor single-stage heat-or-cool control. It features a steel enclosure, a hydraulic air coil sensing element, and SPDT open/close-on-rise…

SKU 3G-OTH-155543

Also listed as: A19BBC4C · A19BBC 4C

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: Heat or Cool, Steel, -30° to 40°C
Category
Indoor Single-Stage Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A19BBC-4C
Type
Steel, -30° to 40°C, 1.8° to 7.2°C

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

Product Description

The JOHNSON CONTROLS A19BBC-4C is a line-voltage mechanical thermostat for indoor single-stage heat-or-cool control. It features a steel enclosure, a hydraulic air coil sensing element, and SPDT open/close-on-rise switching. The unit operates on 120 to 277V AC with a temperature range of -30° to 40°C and a differential of 1.8° to 7.2°C.

Frequently Asked Questions

What is the JOHNSON CONTROLS A19BBC-4C line volt thermostat used for?

The JOHNSON CONTROLS A19BBC-4C is a line-voltage mechanical thermostat for indoor single-stage heat-or-cool control. It uses a hydraulic air coil sensing element and SPDT switching, making it suitable for HVAC applications requiring reliable temperature regulation in commercial or industrial spaces.

What are the specifications of the JOHNSON CONTROLS A19BBC-4C thermostat?

The JOHNSON CONTROLS A19BBC-4C operates on 120 to 277V AC with SPDT open/close-on-rise switching. It has a steel enclosure, a temperature range of -30° to 40°C, and a differential of 1.8° to 7.2°C. The sensing element is a hydraulic air coil, designed for heat-or-cool applications.

Where to buy the JOHNSON CONTROLS A19BBC-4C thermostat worldwide?

3G Electric supplies the JOHNSON CONTROLS A19BBC-4C thermostat to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this line-voltage mechanical thermostat to your facility, regardless of location.

How to install the JOHNSON CONTROLS A19BBC-4C line volt thermostat?

Install the JOHNSON CONTROLS A19BBC-4C by mounting the steel enclosure securely and connecting the 120 to 277V AC supply to the SPDT terminals. Ensure the hydraulic air coil is positioned in the controlled airstream. Follow standard electrical safety practices and consult the manufacturer's manual for wiring details.

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 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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