Vaillant sensoNET VR921 Internet Gateway | 0020260963 | WiFi & LAN

Description

The Vaillant sensoNET VR921 Internet Gateway connects a compatible Vaillant heating system to your home network, enabling convenient remote control and monitoring through the myVAILLANT app. With built in WiFi or a wired LAN connection, it provides a reliable link between the heating system, router and Vaillant connectivity services.

Designed for straightforward plug and play installation, the sensoNET gateway communicates over Vaillant’s eBUS protocol and is ideal for homeowners and installers looking to add smart, app based control to a compatible sensoHOME, sensoCOMFORT or multiMATIC system.

VR 921

Gateway model

WiFi

Wireless connection

LAN

Wired Ethernet option

3.0 W

Average power use

IP21

Ingress protection

eBUS

System communication

Useful information: The sensoNET gateway enables remote app control and supports connection by either WiFi or a minimum Cat 5 Ethernet cable.

Compatibility note: This gateway is intended for use with compatible Vaillant heating systems and controls, including sensoHOME, sensoCOMFORT and multiMATIC systems. Always confirm system and control compatibility before ordering or installation.

Installation safety: Electrical and heating system connections should be completed by a competent, qualified installer in accordance with the manufacturer’s installation instructions and applicable UK wiring and safety requirements.

Key Features

Remote Heating Control

Connects a compatible Vaillant system to the internet for remote monitoring and control via the myVAILLANT app.

WiFi or Wired LAN

Choose a 2.4 GHz WiFi connection or use a wired Ethernet/LAN connection for a stable network link.

eBUS Communication

Uses Vaillant’s eBUS communication protocol to integrate with compatible heating controls and system components.

Simple Installation

A compact, plug and play communication unit designed for straightforward connection to a compatible Vaillant installation.

Low Energy Consumption

Operates at an average power consumption of just 3.0 W, helping to keep running costs low.

Compact White Housing

The discreet white unit measures just 122 x 96 x 36 mm and carries an IP21 protection rating.

Technical Specifications

General

Brand

Vaillant

Product range

sensoNET

Model

VR921 Internet Gateway

MPN

0020260963

Colour

White

Connectivity

Internet connection

WiFi or wired LAN

Wi-Fi band

2.4 GHz

WiFi channels

1 to 13

WiFi encryption

WPA2-PSK

LAN requirement

Minimum Cat 5 Ethernet cable

IP assignment

DHCP

System communication

eBUS

Electrical & Environmental

Rated voltage

5 to 24 V

Average power consumption

3.0 W

Power supply requirement

ES1 or PS1 to IEC 62368-1

Protection class

Class III

IP rating

IP21

Maximum ambient temperature

50°C

Dimensions & Radio

Dimensions (W x H x D)

122 x 96 x 36 mm

Radio frequency bands

868.0 to 868.6 MHz and 869.4 to 869.65 MHz

Low voltage bus cable

Minimum 0.75 mm² cross section

Frequently Asked Questions

What does the Vaillant sensoNET VR 921 do?

The sensoNET VR 921 is an internet gateway that links a compatible Vaillant heating system to a home router, allowing remote control and monitoring through the myVAILLANT app.

Can it connect by Wi-Fi as well as cable?

Yes. The gateway includes built in 2.4 GHz WiFi and can alternatively be connected using a wired Ethernet/LAN cable, with a minimum Cat 5 cable required for a wired connection.

Which Vaillant controls is it compatible with?

The sensoNET gateway is designed for use with compatible Vaillant systems and controls, including sensoHOME, sensoCOMFORT and multiMATIC systems. Compatibility should be confirmed for the specific boiler or heat pump and control arrangement before purchase.

Does it require a separate power supply?

The communication unit operates from a 5 to 24 V supply and has an average power consumption of 3.0 W. The power supply must meet the ES1 or PS1 requirement in accordance with IEC 62368-1.

Can I install it myself?

Installation involves connections to the heating system, power supply and home network. For safety and correct operation, installation should be carried out by a competent, qualified installer following the manufacturer’s instructions.

BTU Calculator

BTU & WATT Calculator

Room Dimensions

Length (in m):

Width (in m):

Height (in m):

Room Type

Living Room

Bedroom

Kitchen

Bathroom

Conservatory

Hallway

Glazing Type

Single Glazed

Double Glazed

Triple Glazed

External Walls

0 Wall

1 Wall

2 Walls

3 Walls

4 Walls

Insulation Level

Poor

Average

Good (New Build)

Calculate

Required Heating

0

Watts

0

BTUs