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JOHNSON CONTROLS Line Volt Mechanical Tstat: Adj - Single-Stage Controls with Remote-Bulb Sensor
JOHNSON CONTROLSSingle-Stage Controls with Remote-Bulb Sensor

JOHNSON CONTROLS Line Volt Mechanical Tstat: Adj

The JOHNSON CONTROLS A19ABC-12C is a single-stage line-voltage mechanical thermostat with a remote-bulb sensor, featuring a knob control and an adjustable differential. It operates as a SPDT switch with open/close on…

SKU 3G-OTH-67421

Also listed as: A19ABC12C · A19ABC 12C

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: Adj
Category
Single-Stage Controls with Remote-Bulb Sensor
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A19ABC-12C
Voltage
24 to 277V AC
Control Type
Knob
Differential Type
Adjustable
Switch Type/Action
SPDT, Open/Close on Rise
Well Connection Size
1/2 in NPT
Temperature Differential
6°F to 24°F
Temperature Control Range
100° to 240°F

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

Product Description

The JOHNSON CONTROLS A19ABC-12C is a single-stage line-voltage mechanical thermostat with a remote-bulb sensor, featuring a knob control and an adjustable differential. It operates as a SPDT switch with open/close on rise action, covering a temperature control range of 100° to 240°F and a differential of 6°F to 24°F. The unit accepts 24 to 277V AC and has a 1/2 in NPT well connection size.

Frequently Asked Questions

What is the JOHNSON CONTROLS A19ABC-12C thermostat used for?

The JOHNSON CONTROLS A19ABC-12C is a single-stage line-voltage mechanical thermostat with a remote-bulb sensor, used for temperature control in HVAC, refrigeration, and industrial process applications. It provides SPDT switching with open/close on rise action, suitable for duct, tank, or pipe sensing.

What are the specifications of the JOHNSON CONTROLS A19ABC-12C?

The JOHNSON CONTROLS A19ABC-12C has a temperature control range of 100° to 240°F, an adjustable differential of 6°F to 24°F, and operates on 24 to 277V AC. It features a knob control, SPDT switch action, and a 1/2 in NPT well connection size. The MPN is A19ABC-12C.

Where to buy the JOHNSON CONTROLS A19ABC-12C worldwide?

3G Electric supplies the JOHNSON CONTROLS A19ABC-12C thermostat worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this mechanical thermostat globally.

How to install the JOHNSON CONTROLS A19ABC-12C thermostat?

Install the JOHNSON CONTROLS A19ABC-12C by mounting the remote bulb in a well with a 1/2 in NPT connection. Wire the SPDT contacts for open/close on rise action per your control circuit (24 to 277V AC). Adjust the knob setpoint and differential via the dial. Follow standard electrical safety practices.

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 single-stage controls with remote-bulb sensor. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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