# Reducer fitting BWT Bestmax 3/8" to 3/4" – BWT 3001010014

**URL:** https://aio.lv/en/product--bwt-3001010014--12392408
**Data updated:** 2026-04-26 22:19 (EEST)
**Category:** Other goods
**Manufacturer:** BWT
**Manufacturer code:** 3001010014
**EAN:** 4250266702071
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.49 €
**Prices and availability valid until:** 2026-11-07 23:59
**Price without VAT (21%):** 19.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bwt-3001010014--12392408

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.10.2026 | free |
| Pickup points | 28.10.2026 | 1.99 EUR |
| Courier delivery to door | 28.10.2026 | 4.99 EUR |

## Summary description

BWT Bestmax reducer fitting for connecting a 3/8" line to a 3/4" line. Manufactured by BWT (MPN 3001010014), this adapter enables secure fluid or water connections between different thread sizes, suitable for water treatment systems, filtration units and plumbing installations requiring size conversion without modifying existing pipes or equipment.

## Long description

The BWT Bestmax reducer fitting 3/8" to 3/4" is an adapter designed to join a 3/8" line with a 3/4" line in water treatment, filtration and plumbing systems. It provides a compact solution for size conversion where replacing pipes or rethreading connections would be impractical. The fitting is intended for secure fluid connections and compatible with standard threaded installations used in domestic and light-commercial water treatment equipment.
Advantages
This reducer fitting enables a direct and reliable connection between different thread sizes without modification of existing lines. Its compact form factor minimizes space requirements at connection points and reduces the need for additional sealing components. The adapter helps preserve the integrity of filtration and water-treatment setups by avoiding cutting or reworking pipework.
Suitable for
Connecting a 3/8" supply line to a 3/4" inlet or outlet on filtration and water-treatment units
Plumbing installations that require temporary or permanent size conversion
Service and maintenance tasks where adapters are needed to test or bypass system components
Light-commercial and domestic water systems with standard threaded fittings
When it may not be suitable
The reducer fitting is intended for standard threaded water and low-pressure fluid systems; it may not be suitable for high-pressure industrial applications, aggressive chemical fluids, or systems that require welded, solvent-bonded, or permanent connections. If the application requires specific material compatibility, certified pressure ratings, or sanitary fittings, verify those requirements before installation.
Key specifications
Connection sizes: 3/8" to 3/4" (threaded)
Function: threaded size reducer for fluid/water lines
Typical applications: water treatment, filtration, plumbing adapters
Form factor: compact inline adapter designed for minimal space usage
How to use
Before installation, ensure both mating threads are clean and free of debris. Apply an appropriate thread sealant or tape recommended for the system and fluid type, then hand-start the adapter into the larger thread and tighten with a suitable wrench until securely seated; avoid excessive torque. Connect the 3/8" line to the other end and verify leak-tightness at operating pressure. Follow any additional instructions specific to the connected equipment and observe standard safety practices during installation and commissioning.
What to consider before purchase
Confirm that thread types and sizes match the existing fittings in your system
Check material compatibility with the fluid used (e.g., potable water, treated water, chemicals)
Verify required pressure and temperature ratings for your application
Ensure any necessary sealing method (tape, paste, gasket) is suitable for the connection
Usage recommendations
Use the adapter for low- to moderate-pressure water and filtration setups and perform a pressure/leak test after installation. Replace the fitting if threads show wear or if repeated disassembly is required; for critical sanitary or high-pressure systems, consult the equipment manufacturer for approved connection methods.

## FAQ

### How much does the BWT Bestmax reducer 3/8"→3/4" cost, and is it available for purchase?

The price is 23.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 23.10.2026 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. All transactions are 100% secure and encrypted.

### 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/12392408/70133644_large.webp