# Water softener VIESSMANN AquaStilla (water treatment station) model 7691892

**URL:** https://aio.lv/en/product--viessmann-7691892--12064453
**Data updated:** 2026-03-12 21:43 (EET)
**Category:** Water Filters
**Manufacturer:** VIESSMANN
**Manufacturer code:** 7691892
**EAN:** 5903624953668
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 719.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 595.03 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--viessmann-7691892--12064453

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

VIESSMANN AquaStilla is a water softener and treatment station designed to reduce hardness minerals and protect plumbing and appliances. Identified by model/MPN 7691892, it serves domestic and light commercial applications where scale prevention and improved water quality are required. The station integrates ion-exchange softening technology for continuous supply of softened water and easier maintenance of heating systems, boilers, and household devices.

## Long description

VIESSMANN AquaStilla water softener (water treatment station) model 7691892 uses ion-exchange softening technology to reduce water hardness and limit scale formation in domestic and light commercial installations. The station is designed to deliver a continuous supply of softened water to protect plumbing, heating systems and appliances. It combines a resin-based softening unit with an integrated control and regeneration sequence to maintain performance with routine maintenance.
Advantages
The AquaStilla station decreases limescale deposits and extends the service life of boilers, water heaters and household appliances by removing hardness minerals. Its ion-exchange process provides consistent water softness with automated regeneration cycles, reducing manual intervention. The compact design is suitable for installation in utility rooms or technical spaces and supports easier maintenance of heating and hot-water systems.
Suitable for
Domestic homes seeking scale prevention and improved appliance longevity
Small commercial premises such as offices, guesthouses or small workshops
Heating systems and boilers that require softened feed water to reduce maintenance
Household appliances including dishwashers and washing machines sensitive to hard water
Key specifications
Technology: ion-exchange resin softening
Application: domestic and light commercial water treatment
Function: continuous softened water supply with automated regeneration
Installation: indoor, utility or technical room mounting
Maintenance: periodic resin regeneration and routine system checks
How to use
Install the AquaStilla station inline with the incoming cold water supply following manufacturer installation requirements and local plumbing regulations. Configure the control unit for regeneration frequency based on water hardness, household consumption and recommended settings. Ensure the brine/regeneration salt reservoir is filled as required and perform periodic checks of valves, connections and resin condition. For safe and correct setup, commissioning by a qualified plumber or technician is advised.
Usage recommendations
For optimal performance, measure incoming water hardness before installation and set regeneration parameters accordingly. Use recommended grade of salt for resin regeneration and schedule regular inspections to verify system seals and control settings. Avoid exposure to freezing temperatures and ensure the unit is installed in a dry, accessible location for maintenance.

## FAQ

### How much does the Water softener VIESSMANN AquaStilla 7691892 cost, and is it available for purchase?

The price is 719.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 321 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 10.07.2026 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 Water softener VIESSMANN AquaStilla 7691892 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 VIESSMANN 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 VIESSMANN 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/12064453/67549770_large.webp