Vaillant VR70 Wiring Centre | 0020184844 | 230 V Multi Circuit

Description

The Vaillant VR70 Wiring Centre is a multi function extension and wiring centre designed to expand compatible Vaillant heating controls. It enables professional control of two heating circuits, including support for a mixed heating circuit, cylinder charging and solar domestic hot water applications where configured with suitable Vaillant system components.

With a 230V AC supply, IP20 enclosure and compact wall mount design, the VR70 provides a tidy central point for system wiring. It is intended for installation by a competent, qualified heating or electrical installer in accordance with the manufacturer’s instructions and current UK wiring requirements.

230V AC

Rated voltage

≤ 4 A

Total current

2 Circuits

Heating circuit control

IP20

Ingress protection

0-60 °C

Operating temperature

293 mm

Height

Safety and installation: The VR70 must be installed and commissioned by a competent person. Isolate the electrical supply before installation and ensure all wiring complies with the manufacturer’s installation instructions and applicable UK electrical standards.

Compatibility: The VR70 is designed for use with compatible Vaillant system controls, including suitable multiMATIC and sensoCOMFORT controllers. Confirm controller, boiler or heat pump and system configuration compatibility before ordering.

System flexibility: The VR70 can support a mixed heating circuit and, where the wider system permits, solar domestic hot water preparation or solar supported central heating.

Key Features

Two Heating Circuits

Provides expansion for two heating circuits, helping installers configure larger or zoned heating systems with greater control flexibility.

Mixed Circuit Support

Supports a mixed heating circuit, allowing integration with suitable mixing valve and pump arrangements where specified by Vaillant.

Solar Ready Configuration

Can be used in compatible systems for solar DHW preparation or solar supported central heating, subject to the complete Vaillant system design.

Central Wiring Point

Acts as a structured wiring centre for pumps, sensors, valves and control connections, helping to keep installations neat and serviceable.

230V AC Operation

Operates from a 230V AC, 50 Hz supply with a total current rating of ≤ 4 A, making it suitable for standard Vaillant heating control installations.

Compact Wall Mounting

The wall mounted housing measures 293 x 277 x 68 mm, providing a practical footprint for plant rooms and heating control installations.

Technical Specifications

General

Brand

Vaillant

Product range

VR70

Product type

Wiring centre / extension module

MPN

0020184844

EAN

4024074707319

Mounting

Wall mounted

Electrical

Rated voltage

230V AC

Mains frequency

50 Hz

Total current

≤ 4 A

Rated surge voltage

2,500 V

Maximum ELV

24 V DC

Safety extra-low voltage

24 V DC

Protection class

Class I

System Compatibility

Heating circuits

Two heating circuits

Mixed circuit

Supported with compatible components

Compatible controls

Suitable Vaillant multiMATIC and sensoCOMFORT controls

Solar application

Compatible solar DHW or solar heating support where system permits

Dimensions and Environment

Height

293 mm

Width

277 mm

Depth

68 mm

IP rating

IP20

Operating temperature

0 to 60 °C

Relative humidity

20 to 95%

Certification

CE marked

Frequently Asked Questions

What is the Vaillant VR70 used for?

The VR70 is a Vaillant wiring centre and extension module used to expand compatible heating control systems. It supports control of two heating circuits and can be configured for applications including a mixed heating circuit and suitable solar based system functions.

Which Vaillant controls is it compatible with?

The VR70 is intended for use with compatible Vaillant multiMATIC and sensoCOMFORT control systems. Because system requirements vary, the installer should confirm compatibility with the specific controller, heat source and system design before installation.

Can the VR70 control a mixed heating circuit?

Yes. The VR70 can be used to control a mixed heating circuit when installed with the appropriate Vaillant controls and system components. It provides outputs for suitable pumps and mixing valve arrangements as defined in the manufacturer’s installation instructions.

What electrical supply does the VR70 require?

The unit requires a 230V AC, 50 Hz supply and has a total current rating of ≤ 4 A. It also provides 24 V DC extra low voltage connections for compatible sensors and control wiring.

Who should install the Vaillant VR70?

Installation should be carried out by a competent heating or electrical installer. The work must follow the Vaillant installation instructions and applicable UK electrical safety requirements, including safe isolation before wiring.

What are the dimensions of the VR70?

The VR70 measures 293 mm high x 277 mm wide x 68 mm deep. It is designed for wall mounting and has an IP20 enclosure rating.

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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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