---
product_id: 6251331
title: "CT87K1004 The Round Heat Only Manual Thermostat,Large,White,Large"
brand: "honeywell home"
price: "฿3467"
currency: THB
in_stock: true
reviews_count: 8
category: "Honeywell Home"
url: https://www.desertcart.co.th/products/6251331-ct87k1004-the-round-heat-only-manual-thermostat-large-white-large
store_origin: TH
region: Thailand
---

# ±1°F precise control Easy DIY install Classic round design CT87K1004 The Round Heat Only Manual Thermostat,Large,White,Large

**Brand:** honeywell home
**Price:** ฿3467
**Availability:** ✅ In Stock

## Summary

> 🔥 Dial into comfort with the classic twist! 🕰️

## Quick Answers

- **What is this?** CT87K1004 The Round Heat Only Manual Thermostat,Large,White,Large by honeywell home
- **How much does it cost?** ฿3467 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/6251331-ct87k1004-the-round-heat-only-manual-thermostat-large-white-large)

## 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

- • **Clean & Safe:** Mercury-free for eco-conscious, worry-free comfort
- • **Effortless Setup:** Install in minutes—no tech skills required, just twist and go
- • **Trusted by Millions:** Join 70M+ homes enjoying reliable Honeywell performance
- • **Precision at Your Fingertips:** Maintain your perfect temperature with ±1°F accuracy
- • **Timeless Design, Modern Appeal:** Iconic round dial fits any décor with sleek white finish

## Overview

The Honeywell Home CT87K1004 Round Heat Only Manual Thermostat combines iconic design with precise ±1°F temperature control. Mercury-free and battery powered, it offers easy installation and reliable performance trusted by over 70 million users worldwide. Perfect for professionals seeking a stylish, no-fuss climate solution.

## Description

Product Description With its familiar circular design and simple twist action, The Round® Non-Programmable Thermostat makes setting your ideal temperature quick and easy. Plus, the popular thermostat design fits perfectly into your home. From the Manufacturer The Round Manual thermostat by Honeywell Home is the world's most popular thermostat - installed in over 70 million homes and buildings. This CT87K heat only model provides precise accurate performance with the ease of use that you've grown accustomed to - simply turn the dial to desired temperature and let the thermostat take over.

Review: Good thermostat - Very easy to install
Review: Easy to read. Easy to st. - Love this. So much easier to use. Can be more accurate with temperature control.

## Features

- Classic round styling; familiar design looks great in any environment
- Decorative cover ring hides wall marks
- Precise temperature control of plus/-1 degree F
- Easy to install and use
- Mercury Free

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000EANORW |
| Additional Features | Fan Control |
| Backlight | No |
| Best Sellers Rank | #3,513 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Home Nonprogrammable Thermostats |
| Brand | Honeywell Home |
| Brand Name | Honeywell Home |
| Color | White |
| Control Type | Dial Control |
| Controller Type | Ring |
| Customer Reviews | 4.1 out of 5 stars 2,842 Reviews |
| Display Type | Manual |
| Global Trade Identification Number | 00085267263672 |
| Included Components | Honeywell CT87K The RoundHeat Only Manual Thermostat |
| Item Dimensions D x W x H | 2.88"D x 3.62"W x 3.62"H |
| Item Type Name | Round Heat Only Manual Thermostat, White, 1-Pack |
| Item Weight | 0.2 Pounds |
| Manufacturer | Honeywell Home |
| Manufacturer Warranty Description | 1 year limited warranty. |
| Model Name | CT87K1004 |
| Model Number | CT87K1004 |
| Mounting Type | Round Non-Programmable Thermostat Owner's Guide Model: CT8775A,C French |
| Power Source | Battery Powered |
| Product Dimensions | 2.88"D x 3.62"W x 3.62"H |
| Product Style | Thermostat Round |
| Shape | Round |
| Special Feature | Fan Control |
| Specific Uses For Product | Air Conditioner |
| Temperature Control Type | Manual |
| UPC | 085267263672 |
| Unit Count | 1.0 Count |
| Voltage | 120 Volts |

## Product Details

- **Brand:** Honeywell Home
- **Product Dimensions:** 2.88"D x 3.62"W x 3.62"H
- **Controller Type:** Ring
- **Special Feature:** Fan Control
- **Color:** White

## Images

![CT87K1004 The Round Heat Only Manual Thermostat,Large,White,Large - Image 1](https://m.media-amazon.com/images/I/81aURIXb-3L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Is this a 2 wire hook up?**
A: This is for 2 wire 24VAC systems.
It is NOT for millivolt systems, which are also 2 wire but work off typically 750 millivolt DC generated by a thermocouple constantly heated by the pilot light. The user manual states it is for 24 VAC systems. Honetwell customer support confirms it does not work with millivolt systems.

**Q: Is there a battery in ct87k**
A: What battery does it take?  CR2050?

**Q: How do you turn it off during the summer time?**
A: 1) Turn dial to  its CCW-min.  Unless you a/c your place to ~45º F, that's pretty-much OFF.  (And you'd be a 'Climate criminal'?) via a/c silliness.
2) Just pull the unit out of its socket ... the way you installed it originally; it's just two wires behind.  The thermostat merely Shorts-these for 'ON'.
HTH.

**Q: Will this thermostat work okay for replacing my King thermostat--line voltage double pole?**
A: search for "line voltage thermostat" in tools and home improvement, there are several to choose from. For example "Honeywell Manual 4 Wire Premium Baseboard/Line Volt Thermostat(YCT410B1000/U)"

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good thermostat
*by A***R on February 3, 2026*

Very easy to install

### ⭐⭐⭐⭐⭐ Easy to read. Easy to st.
*by S***N on January 25, 2026*

Love this. So much easier to use. Can be more accurate with temperature control.

### ⭐ Failure waiting to happen.
*by D***D on January 3, 2026*

Did not last one month. I replaced a 30 year old mercury switch thermostat with this piece of junk. It failed in 3 weeks. I picked another one up at home depot to tide us over with family visiting during the holidays. The second one clicks so loud it wakes you up at night. It really is too bad you cannot buy a simple thermostat that might last a decade or more. I wanted to avoid buying one that required battery replacement every year, guess that is impossible. Will now be taking the time to replace this again with a different product, hopefully from a different company.

## Frequently Bought Together

- Honeywell Home CT87K1004 The Round Heat Only Manual Thermostat
- 18/6 500Ft. NATIONAL Wire&Cable Thermostat Doorbell HVAC Heating Control Professional Cable Wire - Made in USA - 100% Solid Copper Conductors, CL2 ETL Listed, Low Voltage Applications Use
- Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant RoHS for Indoor/Outdoor Low Voltage Applications Use

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.th/products/6251331-ct87k1004-the-round-heat-only-manual-thermostat-large-white-large](https://www.desertcart.co.th/products/6251331-ct87k1004-the-round-heat-only-manual-thermostat-large-white-large)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-19*