# Vaillant cascade module VR32 (model 0020139895) for aroTHERM heat pumps and e-BUS boilers

**URL:** https://aio.lv/en/product--vaillant-0020139895--5869813
**Data updated:** 2026-03-07 15:15 (EET)
**Category:** Control Systems
**Manufacturer:** Vaillant
**Manufacturer code:** 0020139895
**EAN:** 4024074675618
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 155.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 128.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--vaillant-0020139895--5869813

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Cascade module Vaillant VR32 (MPN 0020139895) provides coordinated control for multiple aroTHERM heat pumps and boilers with e-BUS interface. Designed to enable cascade operation, it manages load sharing, sequence control and communication between units to support larger heating systems. Suitable for residential and light-commercial installations requiring synchronized multi-unit heating.

## Long description

The Vaillant cascade module VR32 coordinates multiple aroTHERM heat pumps and e-BUS boilers into a single, synchronized heating system. Designed for cascade operation, the module handles communication, load sharing and sequencing between connected units to ensure stable performance in larger residential and light-commercial installations. The VR32 integrates with Vaillant controls and retains the benefits of centralized regulation while allowing individual units to operate efficiently according to system demand.
Advantages
The cascade module provides reliable synchronized control of up to several heating units, reducing cycling and distributing runtime to improve system longevity. It enables adaptive load sharing and sequence control to match heat supply to demand, and supports integration with existing Vaillant e-BUS control architecture for straightforward commissioning and diagnostics. The compact design fits standard control cabinets and is intended for professional installation to maintain system safety and performance.
Suitable for
 Residential buildings with high heat demand or multiple heating zones
 Light-commercial premises such as small offices, shops or daycare facilities
 Systems where redundancy and staged operation of multiple heat pumps or boilers is required
 Retrofits or new installations using Vaillant aroTHERM heat pumps and e-BUS boilers
Key specifications
 Function: cascade controller for coordinated multi-unit operation
 Interface: compatible with e-BUS communication protocol used by Vaillant equipment
 Control features: load sharing, sequence control, fault monitoring and status reporting
 Installation: DIN-rail or control cabinet mounting suitable for professional electrical installation
 Application: designed for integration with heat pump and boiler systems in residential and light-commercial settings
How to use
Install the cascade module VR32 in the system control cabinet and connect it to the aroTHERM heat pumps and e-BUS boilers according to the manufacturer's wiring diagrams. Configure the cascade parameters, such as number of units, sequence rules and load sharing settings, via the Vaillant control interface or commissioning tool. After commissioning, monitor unit status and alarms through the integrated control system to ensure correct operation and adjust settings if system demand or layout changes.
Usage recommendations
Use professional installation and commissioning to ensure correct electrical connections and communication settings. Periodic checks of communication links and error logs are recommended to maintain synchronized operation and to detect any unit faults early. Follow local regulations for electrical work and system safety.

## FAQ

### How much does the Vaillant VR32 cascade module 0020139895 cost, and is it available for purchase?

The price is 155.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 06.07.2026 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. All transactions are 100% secure and encrypted.

### Can Vaillant VR32 cascade module 0020139895 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/5869813/45035311_large.webp