---
product_id: 263719082
title: "A19ABA-40CQ Line Volt Mechanical Thermostat, 120 to 277 VAC"
brand: "johnson controls"
price: "R3502"
currency: ZAR
in_stock: true
category: "Johnson Controls"
url: https://www.desertcart.co.za/products/263719082-a19aba-40cq-line-volt-mechanical-thermostat-120-to-277-vac
store_origin: ZA
region: South Africa
---

# 120-277V versatile power Mechanical dial control Durable wall-mount design A19ABA-40CQ Line Volt Mechanical Thermostat, 120 to 277 VAC

**Brand:** johnson controls
**Price:** R3502
**Availability:** ✅ In Stock

## Summary

> ⚡ Dial into comfort with classic control — no smart gimmicks, just pure reliability!

## Quick Answers

- **What is this?** A19ABA-40CQ Line Volt Mechanical Thermostat, 120 to 277 VAC by johnson controls
- **How much does it cost?** R3502 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/263719082-a19aba-40cq-line-volt-mechanical-thermostat-120-to-277-vac)

## Best For

- johnson controls enthusiasts

## Why This Product

- Trusted johnson controls brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Wall-Mount Design:** Compact 2.5 x 3 x 2.5 inch form factor fits discreetly in any space.
- • **Precision Mechanical Dial:** Effortless manual temperature control with tactile feedback.
- • **Simple Wired Connectivity:** Reliable wired connection for consistent, no-fuss operation.
- • **Trusted Brand Reliability:** Johnson Controls quality ensures long-lasting HVAC performance.
- • **Universal Voltage Compatibility:** Works seamlessly from 120 to 277 volts for flexible installation.

## Overview

The Johnson Controls A19ABA-40CQ is a durable, mechanical line voltage thermostat designed for HVAC systems operating between 120 and 277 volts. Featuring a manual dial control and compact wall-mount design, it offers reliable temperature regulation with trusted Johnson Controls quality, ideal for professionals seeking straightforward, no-nonsense climate management.

## Description

The product is line Volt mechanical thermostat, 120 to 277VAC. The product is manufactured by Johnson Controls and made in Mexico.

## Features

- Package Dimensions: 10.5 L x 2.5 H x 3 W (inches)
- Package Weight : 1 pounds
- Country of Origin : Mexico
- Part number: A19ABA-40CQ

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00DAI2UES |
| Backlight | No |
| Best Sellers Rank | #201,759 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #163 in Thermostat Controllers |
| Brand | Johnson Controls |
| Color | Silver |
| Connectivity Protocol | Wired |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Dial Control |
| Controller Type | Mechanical knob |
| Date First Available | January 23, 2014 |
| Display Type | manual |
| Finish Type | Brushed |
| Global Trade Identification Number | 10662011011047 |
| Included Components | Copper Wire |
| Is Discontinued By Manufacturer | No |
| Item Weight | 15.5 ounces |
| Item model number | A19ABA-40CQ |
| Manufacturer | Johnson Controls Inc |
| Material | Plastic |
| Model Name | A19ABA-40CQ |
| Mounting Type | Wall Mount |
| Power Source | Line Volt |
| Product Dimensions | 2.5"D x 3"W x 2.5"H |
| Shape | Rectangular |
| Special Feature | Manual |
| Specific Uses For Product | HVAC Control |
| Style | A19ABA-40CQ |
| Temperature Control Type | manual |
| UPC | 082035719874 |
| Voltage | 277 Volts |

## Product Details

- **Brand:** Johnson Controls
- **Controller Type:** Mechanical knob
- **Model Name:** A19ABA-40CQ
- **Product Dimensions:** 2.5"D x 3"W x 2.5"H
- **Special Feature:** Manual

## Images

![A19ABA-40CQ Line Volt Mechanical Thermostat, 120 to 277 VAC - Image 1](https://m.media-amazon.com/images/I/61p-od-nQ0L.jpg)

## Questions & Answers

**Q: What is the temperature range of this device?**
A: Installed two of these and they both failed, look for another unit

## Frequently Bought Together

- Johnson Controls A19ABA-40CQ Line Volt Mechanical Thermostat, 120 to 277 VAC
- MEASUREMAN Vapor Capillary Flanged Panel Mount Refrigeration Thermometer, 2" Dial, 48" Capillary, -40-65 deg F/-40-20 deg C, Re-Calibration Available
- Emerson 1609-101 Refrigeration Temperature Control

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**Shop now:** [https://www.desertcart.co.za/products/263719082-a19aba-40cq-line-volt-mechanical-thermostat-120-to-277-vac](https://www.desertcart.co.za/products/263719082-a19aba-40cq-line-volt-mechanical-thermostat-120-to-277-vac)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-15*