# Wall-mounted Vaillant internet communication module VR 921 (model VR921) for remote boiler control

**URL:** https://aio.lv/en/product--vaillant-630020260962--11960073
**Data updated:** 2026-03-11 14:00 (EET)
**Category:** Home Automation
**Manufacturer:** Vaillant
**Manufacturer code:** 630020260962
**EAN:** 4024074840511
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 690.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 571.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--vaillant-630020260962--11960073

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Wall-mounted Vaillant internet communication module VR 921 provides remote connectivity for compatible Vaillant heating systems. The module enables internet-based communication between a boiler and remote apps or services for monitoring and basic control. Designed for wall installation, it supports remote status checking, basic parameter access and troubleshooting assistance for residential heating systems.

## Long description

The wall-mounted Vaillant internet communication module VR 921 enables remote connectivity for compatible Vaillant heating systems. Designed for fixed installation on a wall near the boiler, the VR 921 creates an internet link between the heating appliance and authorised remote applications or services. It allows status monitoring, access to basic operating parameters and facilitates remote diagnostics and troubleshooting for residential heating installations.
Advantages
The module provides stable network access and integrates with Vaillant-compatible control systems to offer remote status checks and simple parameter viewing. Its wall-mounted form factor ensures a neat installation close to the heating unit, while standard network interfaces enable straightforward integration into a home network. The device helps reduce service time by enabling remote diagnostics and supports improved convenience for routine monitoring.
Suitable for
Remote monitoring of compatible Vaillant boilers in residential properties
Accessing basic operational parameters and system status from a smartphone or web app
Enabling remote troubleshooting and diagnostic assistance by technicians
Integrating a Vaillant heating system into a home network for simplified control
Key specifications
Wall-mounted enclosure suitable for installation near domestic boilers
Internet connectivity for communication between boiler and remote services
Compatibility with Vaillant control and remote-access applications
Supports remote status monitoring, basic parameter access and diagnostics
How to use
Install the communication module on a suitable wall close to the boiler following the manufacturer’s mounting and electrical connection instructions. Connect the module to the local network using the recommended wired or wireless method, then register or pair it with the appropriate Vaillant remote app or service. After pairing, confirm that the boiler appears in the app and that status updates and basic parameters are accessible for monitoring and troubleshooting.
Usage recommendations
Ensure the module is installed in a dry, well-ventilated location and connected to a secure home network. Keep the boiler firmware and the remote app up to date to maintain compatibility and security. For full functionality and safety, use the communication module only with Vaillant heating systems that list remote connectivity support in their specifications and follow the official Vaillant installation instructions or engage a qualified installer.

## FAQ

### How much does the Vaillant VR 921 wall internet communication module cost, and is it available for purchase?

The price is 690.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Vaillant VR 921 wall internet communication module be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Vaillant products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Vaillant service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11960073/67405501_large.webp