---
product_id: 137847238
title: "Delta Dore 21 Thermostat"
brand: "deltadore"
price: "HK$30"
currency: HKD
in_stock: true
reviews_count: 1
url: https://www.desertcart.hk/products/137847238-delta-dore-21-thermostat
store_origin: HK
region: Hong Kong
---

# Wireless tech for flexible placement Settings lock to prevent errors Accurate temperature calibration Delta Dore 21 Thermostat

**Brand:** deltadore
**Price:** HK$30
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay in control, stay effortlessly cool with Delta Dore 21!

## Quick Answers

- **What is this?** Delta Dore 21 Thermostat by deltadore
- **How much does it cost?** HK$30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/137847238-delta-dore-21-thermostat)

## Best For

- deltadore enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Sleek Design:** Minimalist white rectangular form fits discreetly into any modern interior.
- • **Error-Proof Settings Lock:** Lock your temperature settings to avoid accidental changes and maintain perfect comfort.
- • **Seamless Wireless Freedom:** Place your thermostat anywhere in the home without messy wires or boiler proximity constraints.
- • **Crystal Clear Backlit Display:** Easily read room temperature or set points anytime, even in low light conditions.
- • **Precision Temperature Calibration:** Fine-tune sensor accuracy for the perfect climate tailored to your space.

## Overview

The Delta Dore 21 Thermostat is a compact, battery-powered digital thermostat featuring wireless technology for flexible installation away from the boiler. It offers a backlit display for easy temperature monitoring, a settings lock to prevent accidental adjustments, and precise temperature sensor calibration, all designed to deliver reliable and user-friendly climate control.

## Description

Product Description               This thermostat is compact and unobtrusive. It has a backlit screen and can be installed away from the boiler in the most suitable room for taking the temperature, thanks to the wireless technology. Prevents handling errors thanks to the settings lock function.                  Box Contains               1 x Thermostat1 x Batteries1 x Instructions

## Features

- Easy to use thanks to the selection buttons
- Display of the room temperature or temperature setting
- Calibration of the temperature sensor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Delta Dore |
| Part Number | 21 |
| Product Dimensions | 8 x 8 x 2.3 cm; 150 g |
| Batteries | 2 AAA batteries required. (included) |
| Item model number | 21 |
| Colour | White |
| Style | Compact |
| Shape | Rectangular |
| Power Source | Battery Powered |
| Voltage | 230 Volts |
| Item Package Quantity | 1 |
| Display style | Digital |
| Plug profile | Wall Mount |
| Special Features | Easy To Use |
| Usage | Boiler |
| Included Components | Thermostat |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Item Weight | 150 g |

## Product Details

- **Brand:** Deltadore
- **Controller type:** Druckknopf
- **Special feature:** Easy To Use
- **Colour:** White
- **Specific uses for product:** Boiler
- **Temperature Control Type:** Manual
- **Connectivity technology:** Wi-Fi
- **Included components:** Thermostat
- **Power source:** Battery Powered
- **Item weight:** 150 Grams

## Images

![Delta Dore 21 Thermostat - Image 1](https://m.media-amazon.com/images/I/512ADKc4ILL.jpg)
![Delta Dore 21 Thermostat - Image 2](https://m.media-amazon.com/images/I/21MMfEStX6L.jpg)

## Customer Reviews

### ⭐ False sale
*by D***D on 21 February 2018*

I recently recieved this thermostat it is not wireless it is used for hard wired. Do not purchase as is false sale will be reporting to amazon!

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**Shop now:** [https://www.desertcart.hk/products/137847238-delta-dore-21-thermostat](https://www.desertcart.hk/products/137847238-delta-dore-21-thermostat)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-08*