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1-Wire Extension Zoom
1-Wire Extension
Item no.: 100014

The 1-Wire Extension is ideal for installations with many sensors. 

  • Reliable and accurate
  • Low cost
  • Can be mounted very discretely
  • Connect multiple sensors to the 1-Wire Extension
  • ETL Listed

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The 1-Wire Extension for many sensors

Reliable Sensors

Reliable sensors for your Home

Perfect if you need lots of temperature, humidity, or other sensors.

Just one extension allows you to connect up to 20 sensors. Enough to measure temperature, humidity, and much, much more.

Measure Temperature & Humidity on the Cheap!

Temperature & humidity

Sensors at an unbeatable price.

It’s not just their reliability which makes 1-Wire sensors stand out; their fantastic value for money makes them perfect for the whole house.

Small and Easy to Wire

Small & easy to wire

A 1-Wire temperature sensor is smaller than a penny

They’re so small they can be put anywhere. You can also connect them in a bus system, where you’d only need 2 wires…

Easy set-up in Config

Thanks to Loxone Config, our powerful configuration software, setting up your 1-Wire extension is so, so simple.

Just like with all Loxone products, simplicity is an absolute must. Thanks to the search mode, you can connect your sensors up in a matter of minutes.



Do you want to connect more than 20 sensors? No problem. You can connect up to 30 extensions to the Miniserver. You can connect up to 30 extensions to a Loxone Miniserver without it affecting your system’s performance. It’s therefore no problem to add more 1-Wire Extensions to use Loxone for heating.

Certified by NRTL


Loxone upholds to the highest quality standards for the products we offer. Therefore our products are tested by OSHA’s Nationally Recognized Testing Laboratory (NRTL) Program. Similar to the UL certificate, the NRTL certificate guarantees that our products exceed the requirement of electrical standards throughout the US. Some of our products like the 1-Wire Extension are listed through NRTL as accessories. Be assured that you are receiving the best quality products that meet the highest safety standards.



35.5 x 88 x 57 mm (2 TE) (1.40″ x 3.46″ x 2.24″)

Power supply:


Power consumption:

ca. 30mA

Operating temperature:

0 – 50°C (32°- 122°F)

Unlimited number of iButtons

1x 1-Wire Interface:

16.3 kbit/s
Supports up to 20 sensors

Supported 1-Wire devices:

DS1822 Econo 1-Wire Digital Thermometer (Family Code 22)
DS18B20 Programmable Resolution 1-Wire Digital Thermometer (Family Code 28)
DS18S20 Parasite Power Digital Thermometer (Family Code 20)
DS1963S Serial Number iButton (SHA) (Family Code 18)
DS1990 Serial Number iButton (Family Code 01)
DS2438 Smart Battery Monitor (Family Code 26)


  • 1 x 1 Wire Extension
  • 1 x Quick Start guide