Vaillant VR81 Wired eBUS Remote Control | 20129323 | VRC 430

Description

The Vaillant VR81 is a wired eBUS remote control unit designed to provide convenient, room based operation of a Vaillant heating system when used with a compatible VRC 430 or VRC 430f weather compensator. Its clear display and intuitive turn and click control make it easy to adjust the heating mode and desired room temperature without accessing the boiler or controller directly.

Ideal for homeowners and heating engineers, the VR81 supports single zone and two zone heating systems. In a two zone installation, it can provide local control for the second heating circuit while the VRC 430 manages the first zone, helping improve comfort and heating efficiency throughout the property.

CONTROL TYPE

Wired eBUS

COMPATIBILITY

VRC 430 / 430f

OPERATING VOLTAGE

24 V max.

CURRENT DRAW

17 mA

PROTECTION

IP20

DIMENSIONS

97 x 97 x 27 mm

Useful information: The VR81 communicates with the heating appliance through a two core eBUS connection, allowing reliable wired control without the need for batteries or wireless pairing.

Compatibility note: The VR81 is intended for use with the Vaillant VRC 430 or VRC 430f weather compensator. For a two zone system, confirm the complete control configuration and any additional modules required before installation.

Installation safety: This is a fixed wired control device and should be installed by a competent heating engineer in accordance with the manufacturer’s instructions and applicable UK electrical and heating standards.

Key Features

Room Based Heating Control

Adjust the room temperature and heating mode from a convenient wall mounted location, rather than at the boiler or central controller.

Clear Visual Display

The integrated display shows the current room temperature and active heating status, giving users immediate feedback.

Turn and Click Operation

Vaillant’s familiar turn and click interface makes settings quick and straightforward to change.

Reliable eBUS Connection

A two wire eBUS link provides dependable communication between the remote control, controller and heating appliance.

Single or Two Zone Use

Suitable for single zone systems and, with the appropriate system configuration, for controlling a second heating zone.

Technical Specifications

General

Brand

Vaillant

Product

VR81 remote control unit

Manufacturer product code / MPN

20129323

Control type

Wired remote control

Communication interface

eBUS, two core connection

Electrical

Maximum operating voltage

24 V

Current consumption

17 mA

Minimum cable cross-section

0.75 mm²

Protection class

Class III

Physical & Environmental

Ingress protection

IP20

Maximum ambient temperature

50°C

Mounting

Wall mounted

Compatibility

Compatible controllers

Vaillant VRC 430 / VRC 430f

System use

Single zone or second heating zone in a two zone system

Frequently Asked Questions

What is the Vaillant VR 81 used for?

The VR81 is a wired remote control that lets users adjust the room temperature and heating mode of a compatible Vaillant heating system from a separate room location.

Which Vaillant controllers is it compatible with?

It is designed for use with the Vaillant VRC 430 and VRC 430f weather compensators, communicating via the eBUS connection.

Can the VR 81 control two heating zones?

Yes. In a suitable two zone system, the VR81 can control the second heating circuit while the VRC 430 manages the first zone. The full system configuration should be confirmed before installation.

Does the VR 81 require batteries?

No. The VR81 is a wired eBUS device and is powered through its control connection, so it does not rely on batteries for normal operation.

Who should install this remote control?

Installation should be carried out by a competent heating engineer, following Vaillant’s installation instructions and relevant UK electrical and heating requirements.

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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)

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Required Heating

0

Watts

0

BTUs