---
product_id: 258666482
title: "Honeywell Resideo CQ100A1039 Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters, 30-Inch"
brand: "honeywell home"
price: "R840"
currency: ZAR
in_stock: true
reviews_count: 5
category: "Honeywell Home"
url: https://www.desertcart.co.za/products/258666482-honeywell-resideo-cq100a1039-replacement-thermocouple-for-gas-furnaces-boilers-water
store_origin: ZA
region: South Africa
---

# Quick 10-minute installation 30-inch length for versatile fit Reliable ignition for furnaces & boilers Honeywell Resideo CQ100A1039 Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters, 30-Inch

**Brand:** honeywell home
**Price:** R840
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay warm, save time—never get caught in the cold again!

## Quick Answers

- **What is this?** Honeywell Resideo CQ100A1039 Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters, 30-Inch by honeywell home
- **How much does it cost?** R840 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/258666482-honeywell-resideo-cq100a1039-replacement-thermocouple-for-gas-furnaces-boilers-water)

## Best For

- honeywell home enthusiasts

## Why This Product

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

## Key Features

- • **Durable Performance:** Lasts through 2+ heating seasons, ensuring long-term peace of mind.
- • **Lightweight & Compact:** At just 0.1 lb and slim dimensions, it’s easy to store and handle.
- • **Trusted Brand Quality:** Honeywell Resideo reliability means you’re investing in proven performance.
- • **Plug & Play Efficiency:** Get your heating system back online in minutes without costly repairs.
- • **Universal Compatibility:** Designed for gas furnaces, boilers, and water heaters—one part fits many.

## Overview

The Honeywell Resideo CQ100A1039 is a 30-inch replacement thermocouple engineered for gas furnaces, boilers, and water heaters. Lightweight and easy to install in about 10 minutes, it offers reliable ignition and lasts through multiple heating seasons, making it a cost-effective solution to avoid expensive repair calls.

## Description

24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters

Review: We keep several of these on hand for when they burn out. Easy to install. Gets the boiler up and running in minutes. They are cheap enough that we can have a bunch hanging from the basement rafters, ready to go. They last about 2 heating seasons. Takes about 10 minutes to change. Saves a ton of money by not having to call a boiler repairman!
Review: Good quality

## Features

- Item Weight: 0.1 lb
- Country of Origin: China
- Brand name: Honeywell
- Item Dimensions: 4.8"L x 5.0"W x 0.8"H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000E3F3O6 |
| Batteries required | No |
| Customer Reviews | 4.6 4.6 out of 5 stars (343) |
| Date First Available | 15 September 2023 |
| Included components | water heaters |
| Item Weight | 0.1 Pounds |
| Item model number | CQ100A1039 |
| Product Dimensions | 0.64 x 0.64 x 83.82 cm; 45.36 g |

## Product Details

- **Brand:** Honeywell Home
- **Item dimensions L x W x H:** 6 x 6 x 838 millimeters
- **Item weight:** 0.1 Pounds
- **Material:** Metal
- **Style:** Modern

## Images

![Honeywell Resideo CQ100A1039 Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters, 30-Inch - Image 1](https://m.media-amazon.com/images/I/511Rvs2XwDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by E***E on 28 May 2024*

We keep several of these on hand for when they burn out. Easy to install. Gets the boiler up and running in minutes. They are cheap enough that we can have a bunch hanging from the basement rafters, ready to go. They last about 2 heating seasons. Takes about 10 minutes to change. Saves a ton of money by not having to call a boiler repairman!

### ⭐⭐⭐⭐⭐ Review
*by A***R on 5 August 2025*

Good quality

### ⭐⭐⭐⭐⭐ Review
*by M***2 on 23 December 2025*

We have bought this a few times for our pellet grill. Fits great, not a bad price and easy to install.

## Frequently Bought Together

- Honeywell Home CQ100A1039 Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters, 30-Inch
- Resideo CQ100A1013/U 24-Inch Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters
- Resideo CQ100A1005 Replacement Thermocouple for Gas Furnaces, Boilers and Water Heaters, 36-Inch

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---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-13*