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WaterMeterKit V2

Measure your water consumption in real-time in Home Assistant

Gain insight into your water usage per minute and monitor your water consumption per hour, day, month, and/or year in liters within Home Assistant. The kit also measures the temperature and humidity of the room where your water meter is located.

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Made for
🏠 Home Assistant Compatible ⚡ Built on ESPHome

Discover the WaterMeterKit: A carefully crafted Dutch creation, fully developed and designed for your needs.

Specially designed for Home Assistant & ESPHome: The WaterMeterKit is specially designed to seamlessly integrate with Home Assistant & ESPHome.

Real-time water insights

Convert your analog water meter to a digital version

Make the switch to digital with the WaterMeterKit: Convert your analog water meter and gain real-time insight into your water consumption. Monitor precisely how much water you use during daily activities such as bathing, handwashing, and showering.

Douche •
Toilet •
Wasmachine •
Vaatwasser •
Kraan •
Bad •

Analog water meter (live)

Realtime

Installation examples — Easy to mount in under 1 minute

Below you'll find 3 example installation videos for popular water meter types. Our universal holder works with many more brands — see the compatible water meters list below for a complete overview.

Type 1 — Itron / Actaris / Schlumberger
Type 2 — Sensus
Type 3 — Elster / Honeywell

Compatible water meters

Our universal holder fits most European analog water meters. Below you'll find the most common types per brand.

Not sure if your water meter is compatible?
Send us a photo or chat live (7 days/week) on Discord.
Send photo Discord
sensus620.png
Sensus
itron.png
Itron
elster.png
Elster Kiwa
itron.png
Schlumberger
honeywell.png
Honeywell
itron.png
Actaris
diehl.png
Diehl
zenner.png
Zenner ETDK ZR
zenner2-1760090131.png
Zenner ETWD
zenner3.png
Zenner ZR
dh-metering.png
DH Metering
elster2.png
Elster
hidroconta.png
Hidroconta
maddalena.png
Maddalena Plus C
madalena-mvm.png
Maddalena MVM

Different water meter brand?

Our sensor detects the metal rotating disc in analog water meters. This small metal disc (often silver-colored) rotates when water flows through. The sensor registers each rotation via magnetic detection = 1 liter of water. ⚠️ No rotating metal part? Then our sensor won't work.

Not sure if your water meter is compatible? Send us a photo!

Send a photo Discord
INSTALLATION

In 3 steps — within 2 minutes

Mount holder, connect power/network and pair with Home Assistant.

1

Place the universal holder

Clip the universal holder onto your water meter. Fits most European analog meters.

2

Connect: USB-C (realtime) or Ethernet with PoE

Choose your power/connection and start measuring instantly.

3

Add to Home Assistant

Open Home Assistant > Settings > Devices & Services > Integrations and finish setup.

Open Source

Open source firmware with ESPHome

Full control over your WaterMeterKit with open configuration, local data, and direct Home Assistant integration.

Fully open source

All firmware and configuration live on GitHub. You can adapt it directly to your own setup.

Built on ESPHome

Stable real-time data with OTA updates and native Home Assistant support.

100% Local

Your data stays inside your own network, without cloud dependency.

View on GitHub
smarthomeshop/watermeterkit
watermeterkit.yaml
# WaterMeterKit ESPHome Configuration (packages)
substitutions:
name: watermeterkit-587c20
friendly_name: WaterMeterKit 587c20
packages:
smarthomeshop.watermeterkit: github://smarthomeshop/watermeterkit/watermeterkit-v3/watermeterkit-complete.yaml@main
esphome:
name: ${name}
friendly_name: ${friendly_name}
api: # encryption key lokaal instellen
wifi: # ssid/password via secrets
Open Source
Reviews

What customers say

Real experiences with WaterMeterKit

"I wanted to better understand my water consumption and the Watermeterkit helped me. Simple installation and clear graphs in Home Assistant. A great addition to my smart home."

Martijn
Martijn
Verified buyer

"The Watermeterkit works well. Handy for tracking my usage and detecting leaks."

Joris
Joris
Verified buyer

"The Watermeterkit: my new 'partner in crime' in water management. No more mysteries about consumption, but precise figures and automation options. A brilliant addition to my smart home adventure!"

Erik
Erik
Verified buyer

"This kit really helped me. I noticed that my consumption was higher at night than expected. Leak detected and promptly resolved. A smart purchase!"

Thomas
Thomas
Verified buyer

"The Watermeterkit works well. See how I use it. Simple."

Bart
Bart
Verified buyer

"The Watermeterkit is great! Easy to use and works perfectly with Home Assistant. It helped me better understand my consumption. Highly recommended!"

Ruben
Ruben
Verified buyer
5.0
Average rating from verified buyers
Write a review
Frequently Asked Questions

Got questions?

Find answers to the most frequently asked questions about the WaterMeterKit.

In most cases, yes. The Watermeterkit is designed to fit most common analog water meters from well-known brands. We recommend always checking our list of compatible water meters, currently, we support: Actaris, Elster, Honeywell, Itron, and Sensus.

Installation is simple. Place the provided adapter on your water meter, connect the kit to wifi, and Home Assistant will automatically detect the device.

Absolutely. With the Watermeterkit, you can track your water consumption by the hour, day, month, and year and compare it in clear charts.

Certainly! The Watermeterkit provides real-time insight into your water consumption, allowing you to see how much water you use in daily activities directly.

The Watermeterkit works seamlessly with Home Assistant. You can monitor and manage your water consumption through this popular smarthome software.

No, the installation is designed to be simple. The included instructions will guide you step by step.

Still have questions?

Get in touch with us

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SPECIFICATIONS

Technical Specifications

Connection to Water Meter

Direct connection with a universal holder that mounts the water sensor on the 1-liter metal indicator of your water meter.

Network Connection

Wi-Fi IEEE 802.11 b/g/n (2.4 GHz), supports WPA/WPA2 security

Data Transmission

Water consumption update interval: Every 1 liter

Physical Dimensions of the Kit

92 x 47.5 x 26.5 mm

Cable Length

USB-C cable: 3 meters for powering the WaterMeterKit Sensor-to-kit cable: 3 meters for connection to the water sensor (non-detachable)

Power Supply

USB-C port for power supply (5V, 1A) with included USB adapter (if chosen)

Operational Classification

IP20 (suitable for indoor use)

Temperature Range

Operational from -10 °C to +40 °C

Compatibility

Compatible with all common water meters as indicated on our website; if in doubt, contact us

Software

Fully integrated with Home Assistant, support for firmware updates (OTA)

Includes

Universal water meter holder with screws for easy installation

WaterMeterKit
2 year warranty
Shipped worldwide