Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
JOHNSON CONTROLS A19ABC-39C Single-Stage Control - Single-Stage Controls
JOHNSON CONTROLSSingle-Stage Controls

JOHNSON CONTROLS A19ABC-39C Single-Stage Control

The JOHNSON CONTROLS Line Volt Mechanical Tstat: Adj (MPN A19ABC-39C) is a single-stage control with an adjustable knob and SPDT switch action (Open/Close on Rise). It operates at 24 to 277V AC, with a temperature…

SKU 3G-OTH-67598

Also listed as: A19ABC39C · A19ABC 39C

Brand
JOHNSON CONTROLS
Item
A19ABC-39C Single-Stage Control
Part Number
A19ABC-39C
Category
Single-Stage Controls
Available to Order
Also known as:A19ABC-39CJOHNSON CONTROLS
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A19ABC-39C
Type
SPDT, Open/Close on Rise, 30° to 80°F, 6°F to 24°F
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
30° to 80°F

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The JOHNSON CONTROLS Line Volt Mechanical Tstat: Adj (MPN A19ABC-39C) is a single-stage control with an adjustable knob and SPDT switch action (Open/Close on Rise). It operates at 24 to 277V AC, with a temperature control range of 30° to 80°F and an adjustable differential of 6°F to 24°F. The well connection size is 1/2 in NPT.

Frequently Asked Questions

What is the JOHNSON CONTROLS A19ABC-39C line volt mechanical thermostat used for?

The JOHNSON CONTROLS A19ABC-39C is a single-stage line voltage mechanical thermostat used for temperature control in HVAC and industrial applications. It is suitable for controlling fans, valves, or electric heaters in commercial buildings, warehouses, and process environments where reliable on/off switching is required.

What are the specifications of the JOHNSON CONTROLS A19ABC-39C thermostat?

The JOHNSON CONTROLS A19ABC-39C is a single-stage control with an adjustable knob and SPDT switch action (Open/Close on Rise). It operates at 24 to 277V AC, with a temperature control range of 30° to 80°F and an adjustable differential of 6°F to 24°F. The well connection size is 1/2 in NPT.

Where to buy the JOHNSON CONTROLS A19ABC-39C thermostat worldwide?

You can source the JOHNSON CONTROLS A19ABC-39C thermostat worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine JOHNSON CONTROLS controls to customers worldwide.

How to install the JOHNSON CONTROLS A19ABC-39C line volt mechanical thermostat?

Install the JOHNSON CONTROLS A19ABC-39C by mounting it in a well with a 1/2 in NPT connection. Ensure power is off before wiring the SPDT switch according to your application (Open/Close on Rise). Set the knob to the desired temperature and adjust the differential between 6°F and 24°F. Follow local electrical codes.

Used in

Common applications for JOHNSON CONTROLS
Building automation systems — Johnson Controls TE-6361M-1 duct temperature sensor for monitoring duct temperatures in HVAC systems.
Refrigeration systems — Johnson Controls SEC99AA-24C armored capillary tubing for connecting pressure controls.
HVAC differential pressure control — Johnson Controls P74EA-8C for controlling equipment based on pressure changes.
Liquid flow detection — Johnson Controls F261MAH-V01C paddle flow switch for piping systems.
Hydronic heating and cooling — Johnson Controls VG2431YN globe valve for flow control in water systems.
Refrigeration condensing units — Johnson Controls P66AAB-1C fan speed control for maintaining pressure.
Not sure this is the right part? Photo-identify it→

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS single-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

More from JOHNSON CONTROLS

View all JOHNSON CONTROLS parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first