Overview
Heatit Z-Water is a DIN-rail regulator for controlling valve actuators and other supported loads in a water-based heating system. It combines ten relay outputs, four analogue temperature inputs and secure Z-Wave control.
Key features
- Ten independently controllable normally-open relay outputs
- Four analogue inputs for compatible temperature sensors
- Supports both 24 V and 230 V actuator applications
- Can be used with Heatit Z-Temp2 or Z-TRM3 thermostats in individual zones
- Works as a Z-Wave repeater
- Supports S0 and S2 security
- Over-the-air firmware updates
Compatibility and installation
The module is designed for DIN-rail installation and may control hydronic-heating actuators or other supported loads. Heatit states that Z-Water is not compatible with the Heatit Z-Wave Gateway. Electrical installation must be performed by an authorized installer.
Technical specifications
| Specification | Value |
|---|---|
| Technical model | Heatit Z-Water |
| Application | Hydronic-heating valve and load control |
| Installation | DIN rail |
| Relay outputs | 10 normally-open outputs |
| Analogue inputs | 4 temperature-sensor inputs |
| Actuator systems | 24 V and 230 V applications |
| Wireless protocol | Z-Wave Plus with S0 and S2 security |
| Network role | Z-Wave repeater |
Documentation
| Document | Description | Link |
|---|---|---|
| Installation guide | Installation, operation, configuration and technical reference for Heatit Z-Water. | Download PDF |











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