---
product_id: 563219656
title: "Smart Radiator Thermostat Valve/HR 27 ECO ETRV/Programmable Thermostatic Radiator Valve/Digital Intelligent Central Heating Controller/White"
brand: "honeywell home"
price: "R1443"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/563219656-smart-radiator-thermostat-valve-hr-27-eco-etrv-programmable-thermostatic
store_origin: ZA
region: South Africa
---

# Up to 6 daily programmable switches Tool-free, universal fit installation ±0.1°C precision temp control Smart Radiator Thermostat Valve/HR 27 ECO ETRV/Programmable Thermostatic Radiator Valve/Digital Intelligent Central Heating Controller/White

**Brand:** honeywell home
**Price:** R1443
**Availability:** ✅ In Stock

## Summary

> 🌡️ Upgrade your comfort, slash your bills — the smart heat revolution starts here!

## Quick Answers

- **What is this?** Smart Radiator Thermostat Valve/HR 27 ECO ETRV/Programmable Thermostatic Radiator Valve/Digital Intelligent Central Heating Controller/White by honeywell home
- **How much does it cost?** R1443 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/563219656-smart-radiator-thermostat-valve-hr-27-eco-etrv-programmable-thermostatic)

## 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

- • **Plug & Play Installation:** No tools or expertise needed—fits most radiator valves in minutes.
- • **Future-Ready & Frost-Proof:** Includes open window detection, frost protection, and eco mode for year-round peace of mind.
- • **Tailored Comfort, Room by Room:** Fine-tune temperatures with ±0.1°C accuracy for personalized zones.
- • **Always In Control, No WiFi Needed:** Large backlit LCD and intuitive buttons keep you in charge without apps or connectivity.
- • **Smart Scheduling, Smarter Savings:** Program up to 6 daily switchpoints to optimize energy use and cut heating bills.

## Overview

The Honeywell HomeSmart HR27 ECO is a sleek, battery-powered digital radiator thermostat valve offering precise temperature control with ±0.1°C accuracy. It supports up to 6 programmable daily switchpoints, fits most radiator valves without tools, and features a large backlit LCD for easy manual operation—no app or WiFi required. Designed for energy efficiency, it includes frost protection, open window detection, and an eco mode, making it a versatile and stylish upgrade for any modern heating system.

## Description

Honeywell Home

## Features

- Precision Temperature Control: The smart radiator valve allows you to fine tune each room or zone with remarkable accuracy. Utilise separate programming for each day/week and switch up to 6 times per day.
- Reduce Energy Consumption: energy efficient radiator valves help save on heating bills by adjusting output to the rooms and times you need. Easily program the smart trv with exact temperatures from 5 up to + 30 degrees C.
- Easy Installation: No DIY expert or tools required! The smart thermostat fits most standard radiator valves and simply screws onto existing systems.
- Universal: Compatible with most heating systems (including Honeywell Home, Danfoss, MNG and Heimeier), making it a versatile choice. Whether you have a traditional radiator system or a more modern setup, you can enjoy precise temperature control.
- Simple to Use: No app or wifi required. Always visible controls on a large LCD display which orientates to the left or right to suit the installation. The Rondostat and button control allow for precise manual temperature changes.
- Convenient Features: Enjoy anti freeze and frost protection, open window detection, and economy mode to suit all of your heating needs.
- Modern Design: Our stylish, low profile, smart thermostat valve combines a sleek, modern shape with accurate controls to fit perfectly into any interior or décor.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Resideo |
| Part Number | HR27 |
| Product Dimensions | 9 x 7.8 x 7.8 cm; 250 g |
| Item model number | HR27 |
| Size | Rondostat Single Pack |
| Colour | White |
| Style | New version, pack of 1, Eco mode, 6 time switchpoints |
| Finish | Glossy |
| Material | Plastic |
| Shape | Round |
| Power Source | Battery Powered |
| Voltage | 230 Volts |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Display style | lcd, backlit |
| Plug profile | Wall Mount |
| Special Features | Adjustable, Easy installation, Ergonomic, Lockable |
| Usage | Amateur |
| Included Components | Adaptervalves for RA, RAV, RAVL valves, Batteries, Installation manual |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Item Weight | 250 g |

## Product Details

- **Brand:** Honeywell Home
- **Model name:** Rondostat HR27
- **Controller type:** Mechanical knob
- **Special feature:** Adjustable, Easy installation, Ergonomic, Lockable
- **Colour:** White
- **Specific uses for product:** Amateur
- **Temperature Control Type:** Programmable
- **Included components:** Adaptervalves for RA, RAV, RAVL valves, Batteries, Installation manual
- **Power source:** Battery Powered
- **Item weight:** 250 Grams

## Images

![Smart Radiator Thermostat Valve/HR 27 ECO ETRV/Programmable Thermostatic Radiator Valve/Digital Intelligent Central Heating Controller/White - Image 1](https://m.media-amazon.com/images/I/61VujzdEJ2L.jpg)

## Available Options

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

## Frequently Bought Together

- Honeywell Home Smart Radiator Thermostat Valve/HR 27 ECO ETRV/Programmable Thermostatic Radiator Valve/Digital Intelligent Central Heating Controller/White
- Honeywell Home Smart Radiator Thermostat Valve/HR 27 ECO ETRV/Programmable Thermostatic Radiator Valve/Digital Intelligent Central Heating Controller/White / 2-Pack

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**Shop now:** [https://www.desertcart.co.za/products/563219656-smart-radiator-thermostat-valve-hr-27-eco-etrv-programmable-thermostatic](https://www.desertcart.co.za/products/563219656-smart-radiator-thermostat-valve-hr-27-eco-etrv-programmable-thermostatic)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-01-30*