---
product_id: 80452234
title: "Heatmiser Slimline Thermostat - Digital Programmable Thermostat"
brand: "heatmiser"
price: "¥24264"
currency: JPY
in_stock: true
reviews_count: 8
url: https://www.desertcart.jp/products/80452234-heatmiser-slimline-thermostat-digital-programmable-thermostat
store_origin: JP
region: Japan
---

# 230V corded power - no battery fuss 4 user-selectable scheduling modes Self-learning optimum start tech Heatmiser Slimline Thermostat - Digital Programmable Thermostat

**Brand:** heatmiser
**Price:** ¥24264
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay ahead of the chill with Heatmiser’s smart, sleek warmth!

## Quick Answers

- **What is this?** Heatmiser Slimline Thermostat - Digital Programmable Thermostat by heatmiser
- **How much does it cost?** ¥24264 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/80452234-heatmiser-slimline-thermostat-digital-programmable-thermostat)

## Best For

- heatmiser enthusiasts

## Why This Product

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

## Key Features

- • **Dual Functionality:** Seamlessly switch between thermostat and timer modes via software for ultimate control.
- • **Sleek Modern Design:** Slim, blue rectangular profile fits stylishly on any wall, complementing your contemporary space.
- • **Corded Power Reliability:** Forget battery replacements—230V wired power guarantees uninterrupted performance.
- • **Precision Scheduling Mastery:** Choose from 4 flexible programming modes to tailor your heating exactly how you want it.
- • **Smart Start, Smarter Savings:** Self-learning optimum start ensures your home is perfectly warm when you need it, cutting energy waste.

## Overview

The Heatmiser Slimline v4 is a modern, corded digital thermostat designed for underfloor heating systems. It offers four customizable scheduling modes, self-learning optimum start technology for energy efficiency, and dual thermostat/timer functionality—all housed in a stylish blue rectangular design with remote control capability.

## Description

Elevate your heating control with the Heatmiser Slimline-W Programmable Thermostat V4. This 230v thermostat combines the functionality of a room stat and a programmer, offering convenient and efficient temperature control for your home.

Review: Perfect replacement for failed thermostat - Perfect swap out for failed v2 thermostat. My under floor heating working now
Review: Simple to fit but remember to follow the instructions. - Replaced a failed older model with underfloor heating. Just swapped the wires (with mains turned off) from old to new device and it worked perfectly.

## Features

- Programmable Thermostat - wired - not battery powered
- Not suitable for electric heating
- User Selectable Operating Mode: 1) Non Programmable 2) Weekday/Weekend 3) All days different. 4) All days the same
- The Heatmiser Slimline can operate as a thermostat or a timer, selectable in software
- Self Learning Optimum Start

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01BI2LLRE |
| Backlight | Yes |
| Best Sellers Rank | 191,930 in DIY & Tools ( See Top 100 in DIY & Tools ) 151 in Home Programmable Thermostats |
| Brand | Heatmiser |
| Brand Name | Heatmiser |
| Colour | Blue |
| Connectivity Protocol | Wi-Fi |
| Connectivity Technology | Wi-Fi |
| Control Method | Remote |
| Control Type | Button Control |
| Controller Type | program |
| Controller type | program |
| Customer Reviews | 4.4 out of 5 stars 75 Reviews |
| Display Type | LED or LCD |
| Included Components | Remote control |
| Item Shape | Rectangular |
| Item Weight | 0.22 Kilograms |
| Manufacturer | Heatmiser |
| Model Name | Slimline |
| Model Number | Slimline v4 |
| Model name | Slimline |
| Mounting Type | Wall Mount |
| Power Source | Corded Electric |
| Product Style | Modern |
| Special Features | remote control |
| Special feature | remote control |
| Temperature Control Type | Programmable and smart/remote control |
| Unit Count | 1.0 count |
| Voltage | 230 Volts |

## Product Details

- **Brand:** Heatmiser
- **Model name:** Slimline
- **Controller type:** program
- **Special feature:** remote control
- **Colour:** Blue
- **Specific uses for product:** Underfloor Heating
- **Temperature Control Type:** Programmable and smart/remote control
- **Connectivity technology:** Wi-Fi
- **Included components:** Remote control
- **Power source:** Corded Electric

## Images

![Heatmiser Slimline Thermostat - Digital Programmable Thermostat - Image 1](https://m.media-amazon.com/images/I/41Fd5yQHuBL.jpg)

## Questions & Answers

**Q: It would be for a radiator system ?**
A: Our Technical Support Team have advised that you can use this thermostat for a radiator system.

Kind regards
Customer Services

**Q: can it be installed to single zone pump and manifold?**
A: I think my is a single zone so I guess yes

**Q: Hi, Is this the 12V version?**
A: No needs to be hard wired into the mains

**Q: Is this slimline b?**
A: Hi, no this is the Slimline and not the Slinline B

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect replacement for failed thermostat
*by S***F on 8 February 2026*

Perfect swap out for failed v2 thermostat. My under floor heating working now

### ⭐⭐⭐⭐⭐ Simple to fit but remember to follow the instructions.
*by S***O on 8 November 2025*

Replaced a failed older model with underfloor heating. Just swapped the wires (with mains turned off) from old to new device and it worked perfectly.

### ⭐⭐⭐⭐ Good Replacement
*by J***C on 8 March 2026*

Easy to fit slightly different operations to earlier versions but does the job.

## Frequently Bought Together

- Heatmiser Slimline Thermostat - Digital Programmable Thermostat
- Heatmiser 2 Wire Thermal Actuator
- Heatmiser Thermostat, White

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**Shop now:** [https://www.desertcart.jp/products/80452234-heatmiser-slimline-thermostat-digital-programmable-thermostat](https://www.desertcart.jp/products/80452234-heatmiser-slimline-thermostat-digital-programmable-thermostat)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-12*