# Water filter cartridge BWT bestmax PREMIUM S

**URL:** https://aio.lv/en/product--bwt-4250266702828--12045890
**Data updated:** 2026-03-12 19:28 (EET)
**Category:** Water Filters
**Manufacturer:** BWT
**Manufacturer code:** 4250266702828
**EAN:** 4250266702828
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 549.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 454.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bwt-4250266702828--12045890

## 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

Replacement water filter cartridge BWT bestmax PREMIUM S designed for use in domestic and commercial water filtration housings. Provides sediment and impurity reduction according to the manufacturer's bestmax PREMIUM line; intended for improving water quality for drinking, cooking and appliance protection. Compatible with systems that accept bestmax PREMIUM S cartridges; follow manufacturer service intervals and installation instructions.

## Long description

The BWT bestmax PREMIUM S water filter cartridge is a replacement cartridge intended for domestic and light commercial water filtration housings. It is part of the bestmax PREMIUM line and is designed to reduce visible sediment and common impurities, improve the taste and clarity of drinking water, and protect household appliances by reducing scale-forming minerals. The cartridge is compatible with filtration systems that accept bestmax PREMIUM S replacements and should be installed and serviced according to the filtration system manufacturer’s instructions.
Advantages
This replacement cartridge provides multi-stage filtration performance within a compact form factor, combining mechanical sediment retention with media to reduce limescale-causing hardness and improve water organoleptic properties. The design supports straightforward cartridge exchange in compatible housings and helps extend the service life of connected appliances by lowering scale deposition. The cartridge operates without electrical power and is suitable for continuous flow use where a compatible bestmax PREMIUM S connection is provided.
Suitable for
Improving drinking water taste and clarity in homes and small businesses
Pre-treatment for coffee machines, kettles and other small appliances to reduce limescale
Point-of-entry filtration stages in domestic filtration housings that accept bestmax PREMIUM S cartridges
Replacing spent cartridges in existing BWT compatible systems
Key specifications
Filtration type: combined sediment retention and anti-scale/conditioner media
Application: potable water treatment for drinking, cooking and appliance protection
Installation: in-line replacement cartridge for compatible domestic and light commercial housings
Operation: passive cartridge requiring no power supply
Typical service interval: replace according to system flow rates and manufacturer maintenance schedule
How to use
Switch off the water supply to the filter housing and relieve system pressure before replacing the cartridge. Remove the housing cover according to the filtration system manufacturer’s instructions, extract the spent cartridge and dispose of it in accordance with local regulations. Insert the BWT bestmax PREMIUM S cartridge into the housing ensuring the correct orientation and seal position, reassemble the housing, slowly restore water supply and check for leaks. Flush the cartridge as directed by the system manual before using the treated water for drinking or food preparation.
Usage recommendations
Follow the filtration system manufacturer’s guidelines for replacement intervals and water flow limits. Use genuine or compatible cartridges designed for bestmax PREMIUM S housings to maintain filtration performance. If water quality issues persist after installation, have the system inspected and consider testing the supply water to confirm the appropriate cartridge selection and service frequency.

## FAQ

### How much does the BWT bestmax PREMIUM S water filter cartridge cost, and is it available for purchase?

The price is 549.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 BWT bestmax PREMIUM S water filter cartridge 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 BWT 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 BWT 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/12045890/67532432_large.webp