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JOHNSON CONTROLS Line Volt Mechanical Tstat: Manual Reset (MPN A19ADB-2C) - Single-Stage Controls
JOHNSON CONTROLSSingle-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: Manual Reset (MPN A19ADB-2C)

The JOHNSON CONTROLS A19ADB-2C is a single-stage, line-voltage mechanical thermostat with a manual reset differential. It features a SPST switch that opens on rise, a knob control type, and a 1/2 in NPT well…

SKU 3G-OTH-67605

Also listed as: A19ADB2C · A19ADB 2C

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: Manual Reset
Category
Single-Stage Controls
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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
A19ADB-2C
Voltage
24 to 600V AC
Control Type
Knob
Differential Type
Manual Reset
Switch Type/Action
SPST, Open on Rise
Well Connection Size
1/2 in NPT
Temperature Differential
6°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 A19ADB-2C is a single-stage, line-voltage mechanical thermostat with a manual reset differential. It features a SPST switch that opens on rise, a knob control type, and a 1/2 in NPT well connection. The unit operates within a temperature control range of 100° to 240°F with a 6°F differential, and is rated for 24 to 600V AC.

Frequently Asked Questions

What is the JOHNSON CONTROLS A19ADB-2C used for?

The JOHNSON CONTROLS A19ADB-2C is a single-stage, line-voltage mechanical thermostat used for temperature control in industrial HVAC and process equipment. Its manual reset differential and SPST switch that opens on rise make it suitable for safety limit applications where manual intervention is required after a high-temperature event.

What are the specifications of the JOHNSON CONTROLS A19ADB-2C?

The JOHNSON CONTROLS A19ADB-2C has a temperature control range of 100° to 240°F with a 6°F differential. It operates on 24 to 600V AC, features a SPST switch that opens on rise, a knob control type, and a 1/2 in NPT well connection. The differential type is manual reset.

Where to buy the JOHNSON CONTROLS A19ADB-2C worldwide?

3G Electric supplies the JOHNSON CONTROLS A19ADB-2C 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 thermostat to any country.

How to install the JOHNSON CONTROLS A19ADB-2C?

Install the JOHNSON CONTROLS A19ADB-2C by mounting it in a 1/2 in NPT well. Connect the SPST switch wiring for open-on-rise operation. Set the knob to the desired temperature within the 100° to 240°F range. After a trip, manually reset the differential. Follow local electrical codes and the manufacturer's instructions.

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. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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