Wired Wall Thermostat with Humidity Sensor

Measure the temperature in your Wired Smart Home to control your underfloor heating actuators with the Wired Wall Thermostat

Wired wall thermostat with humidity sensor

Control your wired underfloor heating efficiently

Whether it's after you get up or when you come home on a snowy winter day: Warm floors give you a special feeling of security at home. And it goes without saying that this should be the case in your wired smart home too. You can do this especially well with the central measuring unit: the wired wall thermostat. This allows you to control your underfloor heating actuators very efficiently. 

Colour variants
white
white
anthracite
anthracite
Thermostat

Comfort temperature at anytime

Control the room temperature according to your needs, at home and when you're out and about.

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In conjunction with underfloor heating actuators, you can do this easily via the app, directly on the device using the dial in 0.5 ° steps or conveniently via voice control (using Amazon Alexa or Google Assistant.

Kabel

The Homematic IP wired system

The wired system guarantees a reliable power supply to the switch as well as secure communication between the devices through the Homematic IP wired bus. 

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Go here for more information about the wired system and products. 

Colour variants
white
white
anthracite
anthracite
Design mit Pfeil

Easily installed in your existing design

Just integrate the thermostat into your existing switch series in the Size 55 frame size from leading manufacturers. 

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The thermostat is optimised for easy mounting on flush-mounted boxes via the supplied mounting plate. Removable push-in clamp with spring-loaded terminals facilitates connection to the wired bus.

Handy mit Homematic IP Logo und einem Pluszeichen

Cleverly combined

You can combine Homematic IP wired and wireless devices with each other. 

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In addition to the central Homematic IP wired access point (HmIPW-DRAP) you also require the central Homematic IP access point (HmIP-HAP) for this. More information about advanced routing can be found here.

360 Grad 3D

Our products in a new dimension.

Rotate the product in all directions, zoom in and experience it in three dimensions. This gives you a detailed picture of your favourite products.

Die passende Farbe zu jeder Wandoberfläche - 
Probieren Sie es aus!

Mit unserem Design-Simulator wählen Sie zunächst eine Wandoberfläche aus. Dann lassen Sie sich darauf ein Homematic IP Produkt anzeigen. So sehen Sie auf einen Blick, welche Kombination am besten passt.

Background
concrete
plaster
beige wall paint
blue wall paint
tiles 1
tiles 2
wood
children's room
Color
#ffffff
white
#505050
anthracite

Your advantages at a glance

Do you want to live more safely, save money and protect the environment, or simply increase your living comfort? There are many good reasons for a Smart Home. Find out more now!

Control heating

find out more

Save energy

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Use the app

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Connect devices together

find out more

05. July 2023

Travel with a safe feeling: How to protect your home with smart home technology

No one there to look after the house during the holidays? No problem, because your Smart Home protects itself: It keeps burglars away and lets you know immediately if something should happen.

Find out more

Homematic IP: Smart living. Simply exciting.

Homematic IP means modern, flexible and secure technology from the European market leader*. Let the advantages of our system win you over, and start living smarter straight away. 

The Homematic IP app

Configure all settings for your smart home in the Homematic IP app, which you can use to control, regulate and monitor your devices at any time. No personal data is collected except for the IP address.

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Whether you have a question about a product, something isn’t working as you wanted, you’re looking for a specialist partner, or you simply want to give us feedback: we are always here to help.

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This is where you’ll find the most important questions and our answers about our smart home solutions.

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Service

Have you purchased a Homematic IP product and now have questions about how it works? Our technical support team will be happy to help you.

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Are you looking for a good specialist tradesperson near you? Simply use the convenient search function here on our website.

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Dealers

You can get Homematic IP products and good advice all over Germany. Find the right dealer near you here.

Innovations, ideas, impulses: your news

Get first-hand news about the latest innovative smart home solutions. 

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eQ-3 presents a comprehensively expanded portfolio
eQ-3 will be presenting the upcoming highlights of its Homematic IP smart home system at Light + Building 2026The company is expanding its product range with a fully integrated alarm system, introducing a smart solution for protection against water damage and adding intelligent lighting solutions, control elements and other automation components to its range.
08. March 2026
Product Variants

Wired wall thermostat with humidity sensor

Order information

Product Name (Short)
HmIPW-WTH
Item Number
153473A0
EAN Code
4047976534739

Technical data

Supply voltage
24 VDC, +5 % -20 %, SELV
Current consumption
20 mA max.
Cable type and cross section
Rigid cable, 0.12-0.50 mm²
Degree of protection
IP20
Ambient temperature
0 to 50 °C
Dimensions with frame (W x H x D)
86 x 86 x 42 mm
Dimensions without frame (W x H x D)
55 x 55 x 42 mm
Weight
87 g
Function type
Wall Thermostat
Connection
Wired
Color
white
Installation
Only in normal commercial switch boxes (device boxes) in accordance with DIN 49073-1.
Homematic IP User Guide

Version: July 2025

20.99 MB
Overview of QR code stickers
1.46 MB
Operating manual Wired Wall Thermostat with Humidity Sensor

Short description: HmIPW-WTH | Product reference: 153473A0

10.86 MB
Datasheet Wired Wall Thermostat with Humidity Sensor

Kurz-Bezeichnung: HmIPW-WTH / HmIPW-WTH-A | Artikel-Nr.: 153473A0 / 159835A0

3.91 MB