---
product_id: 432229328
title: "A421ABC-02C A421 Series Electronic Temperature Control, -40 to 212 Degree F Temperature Range, Single-Pole, Double-Throw"
brand: "johnson controls"
price: "KSh52639"
currency: KES
in_stock: true
reviews_count: 5
category: "Johnson Controls"
url: https://www.desertcart.co.ke/products/432229328-a421abc-02c-a421-series-electronic-temperature-control-40-to-212
store_origin: KE
region: Kenya
---

# Backlit LCD with adjustable brightness Single-pole, double-throw relay Wide -40 to 212°F range A421ABC-02C A421 Series Electronic Temperature Control, -40 to 212 Degree F Temperature Range, Single-Pole, Double-Throw

**Brand:** johnson controls
**Price:** KSh52639
**Availability:** ✅ In Stock

## Summary

> 🌟 Take control of your climate like a pro — precision meets power!

## Quick Answers

- **What is this?** A421ABC-02C A421 Series Electronic Temperature Control, -40 to 212 Degree F Temperature Range, Single-Pole, Double-Throw by johnson controls
- **How much does it cost?** KSh52639 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/432229328-a421abc-02c-a421-series-electronic-temperature-control-40-to-212)

## 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

- • **User-Friendly Interface:** Bright backlit LCD and intuitive 3-button touchpad for effortless adjustments.
- • **Seamless Relay Switching:** Single-pole, double-throw output ensures reliable, crisp on/off control every time.
- • **Built-In Smart Safeguards:** Anti-short cycle delay and sensor offset protect your system and optimize performance.
- • **Precision Temperature Mastery:** Control from freezing -40°F to scorching 212°F with unmatched accuracy.
- • **Made in the USA, Trusted Worldwide:** Crafted by Johnson Controls, a leader in HVAC innovation with 4.5-star reliability.

## Overview

The Johnson Controls A421ABC-02C is a robust single-stage electronic temperature control featuring a wide operating range from -40 to 212°F. Equipped with a single-pole, double-throw relay, a bright backlit LCD, and a user-friendly touchpad, it offers precise temperature management with built-in safeguards like anti-short cycle delay and sensor offset. Made in the USA, this reliable thermostat control is ideal for professional HVAC applications demanding accuracy and durability.

## Description

Direct Replacement To The A419Abc-1C The A421 Series Electronic Temperature Controls Are Single-Stage Controls With A Single-Pole, Double-Throw (Spdt) Output Relay. A421 Controls Feature A Bright Backlit Lcd With Adjustable Brightness And A Three-Button Touchpad Interface That Can Be Set Up To Restrict User Adjustments. An Led Indicates The Output Relay's On/Off Status. Standard A421 Series Control Modules Have Simple On And Off Temperature Settings For Heating Or Cooling, An Adjustable Anti-Short Cycle Delay, Temperature Setback, And Sensor Offset Capability. Made in United States. Manufactured by Johnson Controls.

Review: The A419 works best for some applications as it has a differential setting ...
Review: Great quality temperature controller

## Features

- Single-stage controls
- Single-pole
- Double-throw
- The temperature control range is -40 to 212°f or -40 to 100°c

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01IWJO25E |
| Brand | Johnson Controls |
| Brand Name | Johnson Controls |
| Color | Gray |
| Colour | Gray |
| Customer Reviews | 4.5 out of 5 stars 226 Reviews |
| Display Type | LED |
| Display type | LED |
| Global Trade Identification Number | 10662011536502 |
| Item Weight | 1.15 Pounds |
| Item weight | 1.15 Pounds |
| Manufacturer | Johnson Controls |
| Material | As shown in image |
| Material Type | As shown in image |
| Operating Temperature | 212 Degrees Fahrenheit |
| Operating temperature | 212 Degrees Fahrenheit |
| UPC | 645220630707 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Johnson Controls
- **Colour:** Gray
- **Display type:** LED
- **Item weight:** 1.15 Pounds
- **Material:** As shown in image

## Images

![A421ABC-02C A421 Series Electronic Temperature Control, -40 to 212 Degree F Temperature Range, Single-Pole, Double-Throw - Image 1](https://m.media-amazon.com/images/I/51MLSNZqh8L.jpg)

## Available Options

This product comes in different **Configuration, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ The A419 works best for some applications as it has a differential setting ...
*by E***D on 22 May 2018*



### ⭐⭐⭐⭐⭐ Great quality temperature controller
*by L***Y on 18 October 2023*



### ⭐⭐⭐⭐⭐ Great product!
*by X***N on 18 January 2026*



## Frequently Bought Together

- Johnson Controls A421ABC-02C A421 Series Electronic Temperature Control, -40 to 212 Degree F Temperature Range, Single-Pole, Double-Throw
- PITCO 60125501 Thermopile Millivolt

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**Shop now:** [https://www.desertcart.co.ke/products/432229328-a421abc-02c-a421-series-electronic-temperature-control-40-to-212](https://www.desertcart.co.ke/products/432229328-a421abc-02c-a421-series-electronic-temperature-control-40-to-212)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-03-14*