The Vaillant VR70 Wiring Centre (0020184844) is a multi-function wiring and extension module designed to expand compatible Vaillant heating control systems. It supports control of two heating circuits, including a mixed heating circuit when configured with suitable system components.
Operating on a 230V AC supply, the VR70 provides a central wiring point for compatible heating control components. Depending on the complete system configuration, it can also support cylinder charging and solar domestic hot water applications. Its wall-mounted enclosure measures 293 × 277 × 68mm and has an IP20 protection rating.
Designed for professional heating installations, the Vaillant VR70 is intended for use with compatible Vaillant controls and system components. Check controller, boiler or heat pump compatibility before ordering.
230V AC Supply 2 Heating Circuits IP20 Protection Wall Mounted
Key Features
1. Two Heating Circuit Control
Provides expansion for two heating circuits, allowing greater flexibility when configuring compatible Vaillant heating systems.
2. Mixed Heating Circuit Support
Supports a mixed heating circuit when used with the appropriate mixing valve, pump arrangement and compatible Vaillant system components.
3. Support for Solar Applications
Can be used in suitable system configurations for solar domestic hot water preparation or solar-supported central heating, subject to the wider system design.
4. Centralised System Wiring
Acts as a central wiring point for compatible heating system components, helping organise connections and support servicing.
5. 230V AC Electrical Supply
Operates on a 230V AC, 50Hz supply and has a stated total current rating of no more than 4A.
6. Compact Wall-Mounted Design
The enclosure measures 293mm high, 277mm wide and 68mm deep, with an IP20 protection rating for suitable indoor installation locations.
Technical Specifications
General Information
| Brand |
Vaillant |
| Product Range |
VR70 |
| Product Type |
Wiring Centre / Extension Module |
| Manufacturer Part Number (MPN) |
0020184844 |
| EAN |
4024074707319 |
| Mounting |
Wall mounted |
Electrical Specifications
| Rated Voltage |
230V AC |
| Mains Frequency |
50Hz |
| Total Current Rating |
≤ 4A |
| Rated Surge Voltage |
2,500V |
| Maximum ELV |
24V DC |
| Safety Extra-Low Voltage |
24V DC |
| Protection Class |
Class I |
System Compatibility
| Heating Circuits |
Two |
| Mixed Heating Circuit |
Supported with compatible components |
| Compatible Controls |
Suitable Vaillant multiMATIC and sensoCOMFORT controls; verify exact configuration |
| Solar Applications |
Solar DHW or solar-supported heating where the system permits |
Dimensions and Environment
| Height |
293mm |
| Width |
277mm |
| Depth |
68mm |
| Ingress Protection |
IP20 |
| Operating Temperature |
0–60°C |
| Relative Humidity |
20–95% |
| Certification |
CE marked |
Applications and Compatibility
The Vaillant VR70 is designed to extend compatible heating control installations where additional circuit control or system wiring is required. Its stated applications include two heating circuits, mixed-circuit support and compatible solar hot water or heating configurations.
Compatibility depends on the complete heating system, controller and connected components. Check Vaillant documentation for the exact configuration before ordering.
Frequently Asked Questions
What is the Vaillant VR70 used for?
The VR70 is a wiring centre and extension module that expands compatible Vaillant heating control systems, supporting two heating circuits and selected system configurations.
Which Vaillant controls is it compatible with?
The supplied information lists suitable multiMATIC and sensoCOMFORT controls. Verify compatibility with the exact controller and system configuration before purchase.
Can the VR70 control a mixed heating circuit?
Yes, the supplied specifications state that it supports a mixed heating circuit when used with compatible system components.
What electrical supply does the VR70 require?
It requires a stated supply of 230V AC at 50Hz, with a total current rating of no more than 4A.
Who should install the Vaillant VR70?
It should be installed and commissioned by a competent, qualified heating or electrical installer in accordance with Vaillant instructions and applicable UK wiring requirements. Isolate the electrical supply before installation.
What are the dimensions of the VR70?
The stated dimensions are 293mm high, 277mm wide and 68mm deep.
Order the Vaillant VR70 Wiring Centre
Order the Vaillant VR70 Multi-Circuit Wiring Centre (0020184844) from GetPlumb for compatible heating control installations. Confirm system compatibility and installation requirements before placing your order.
Installation and safety: Isolate the electrical supply before installation. All wiring and commissioning must follow the manufacturer's instructions and applicable UK electrical requirements.