# Multifunction Module for Saunier Duval Isotwin/ Isofast Boilers - MPN 0010025487

**URL:** https://aio.lv/en/product--saunier-duval-0010025487--11825943
**Data updated:** 2026-03-09 11:15 (EET)
**Category:** Other goods
**Manufacturer:** Saunier Duval
**Manufacturer code:** 0010025487
**EAN:** 3532041767286
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 106.99 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 88.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--saunier-duval-0010025487--11825943

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Multifunction module designed for Saunier Duval Isotwin and Isofast boiler series. This electronic accessory (MPN 0010025487, EAN 3532041767286) integrates control and diagnostic functions to extend boiler capabilities, enable system communication and support additional sensors or control inputs. Suitable for retrofit or replacement in compatible residential boiler installations to improve system management and diagnostics.

## Long description

Multifunction module for Saunier Duval Isotwin and Isofast boilers integrates electronic control and diagnostic functions to extend the capabilities of compatible residential heating systems. Designed as a direct replacement or retrofit accessory, the module provides additional inputs and communication options to support external sensors, control signals and improved system management without altering the boiler's main hydraulic components.
Advantages
The module consolidates several control and monitoring functions into a single compact unit, simplifying installation and reducing the need for separate devices. It supports communication with other components in the heating system for more accurate diagnostics and easier fault identification. Built to match the electrical and interface specifications of Isotwin and Isofast models, the module helps maintain factory-level compatibility while enabling upgrades such as additional sensor connections and remote control inputs.
Suitable for
Retrofit or replacement in Saunier Duval Isotwin and Isofast residential boilers
Integrating additional temperature sensors or external control signals
Improving on-site diagnostics and reducing service time for installers
Upgrading system communication for home automation or remote monitoring
Key specifications
Function: electronic control and diagnostics expansion for compatible boilers
Interfaces: additional sensor and control inputs, communication lines for system components
Form factor: compact module designed to fit designated mounting location in compatible boiler models
Compatibility: intended for specific Isotwin and Isofast product families
Environment: suitable for residential indoor boiler installation following manufacturer guidelines
How to use
Install the module in the designated slot or mounting area within the compatible Saunier Duval boiler following the boiler manufacturer’s wiring diagram and safety instructions. Connect sensor leads, control inputs and communication lines to the corresponding terminals on the module. After mechanical and electrical installation, power the boiler and run the built-in diagnostic and configuration routines to ensure the module is recognized and configured for the specific installation. Verify sensor readings and control responses before returning the boiler to normal operation.
Usage recommendations
Only qualified heating technicians should install or replace this multifunction module. Follow Saunier Duval service documentation and safety procedures, isolate power before handling electronic components, and verify firmware or software compatibility when integrating with existing control systems.

## FAQ

### How much does the Saunier Duval Multifunction Module Isotwin/Isofast cost, and is it available for purchase?

The price is 106.99 € (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 23.07.2026 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 Saunier Duval Multifunction Module Isotwin/Isofast 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 Saunier Duval 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 Saunier Duval 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/11825943/67227534_large.webp