varmo TZ eco (4251660900025) manual for Z-Wave

The following is an overview of the user manual for the Z-Wave product varmo TZ eco (4251660900025)from DONEXON. To view other Z-Wave products and manuals from DONEXON follow that link.

  1. Overview
  2. Security
  3. Features
  4. Installation instructions


varmo TZ eco
SKU Code
• The varmo TZ eco radiator valve regulates your radiator with energy-saving Z-Wave wireless standard. Thus, you can add a component to your Z-Wave Smart Home network.
• Thanks to the FLiRS (Frequently Listening Receiver Slave), the heating valve responds to incoming commands without any major delays, for example changing the temperature.
Design covers are available in various colors, so you can change them according to your wishes and interior design.
• The varmo TZ eco radiator valve is easy to operate, has an orange backlit display and an extra large temperature display. Heating periods are programmable, the daily and weekly times are individually programmable and the valve detects when a window is open. The manual adjustment is of course possible at any time.
• In addition, the valve has a child safety lock and various security levels, a frost and lime protection function and fits on many common radiator valves.
• The display can be rotated 180 degrees.
Version #
HW: 49 FW: 0.16:00.10 was the version certified
Certification #
Z-Wave Version


As a Z-Wave Plus certified product, varmo TZ eco supports Z-Wave S2 security. The following security modes are directly supported:

  • S2 Unauthenticated


DONEXON describes varmo TZ eco as having the following features:

  • Battery Quantity
  • Battery powered using LR06 batteries
  • Firmware updatable via a compatible Z-Wave gateway
  • Sensors
  • Supported Notification Types
  • Thermostat HVAC Systems Supported
  • Thermostat Modes
  • FLiRS capable
  • Supports Network Wide Inclusion
  • Supports Z-Wave Explorer Frames
  • Supports Z-Wave SmartStart allowing you to setup the product simply by scanning its QR code via

Installation instructions

Start Inclusion mode of your primary Z-Wave Controller.
Press the Boost-Button.
varmo TZ eco will show the assigned NodeID.

Factory reset varmo TZ eco

Remove batteries.
Press and hold boost button.
While still holding boost button insert batteries.
The LCD shows RES. Release boost button.
To perform the factory reset press boost button.

Please use this procedure only when the network primary controller is missing or otherwise inoperable.

Start Exclusion mode of your primary Z-Wave Controller.
Now press and hold the boost button of the varmo TZ eco for at least 5 seconds.

Please note that this is a user manual varmo TZ eco from DONEXON is provided as is and without warranty; all information contained herein is provided by the manufacturer or the certifying body. The information provided is for reference only and is not intended to be used as a substitute for professional advice. only warrants and is only able to support products purchased directly from us. If you have varmo TZ eco and have not purchased it from us, please contact the manufacturer directly with any further questions you may have.