# VIEGA transition coupling 28 mm x 3/4" nipple 102913 for pipe connections

**URL:** https://aio.lv/en/product--viega-102913--11832441
**Data updated:** 2026-03-09 14:43 (EET)
**Category:** Sinks & Sink Accessories
**Manufacturer:** VIEGA
**Manufacturer code:** 102913
**EAN:** 5022050055972
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.49 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 27.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--viega-102913--11832441

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

VIEGA transition coupling 28 mm x 3/4" nipple (MPN 102913) is a plumbing fitting designed to join a 28 mm pipe to a 3/4" threaded connection. Manufactured by VIEGA, this adapter provides a secure mechanical transition between metric copper or plastic pipework and imperial threaded fixtures. Use for domestic or light commercial water installations, repairs, or retrofits where pipe size conversion is required.

## Long description

The VIEGA transition coupling 28 mm x 3/4" nipple is a plumbing adapter designed to connect a 28 mm metric pipe to a 3/4" threaded fitting. It creates a mechanical transition between copper or plastic pipework and imperial threaded fixtures, allowing straightforward integration of different pipe standards in domestic and light commercial water systems. The coupling is intended for use where a reliable, compact connection is needed for water supply lines and retrofit projects.
Advantages
This transition coupling provides a secure and precise mechanical connection between 28 mm pipes and 3/4" threaded components. Its compact design reduces the need for multiple fittings, simplifying installations and repairs. The coupling is compatible with common pipe materials used in plumbing systems, offering a practical solution for conversions without extensive reworking of existing piping. The robust construction ensures consistent sealing when installed according to standard procedures.
Suitable for
 Connecting 28 mm copper or plastic pipes to 3/4" threaded fixtures
 Domestic water supply repairs and retrofits
 Light commercial plumbing where metric-to-imperial transitions are required
 Temporary or permanent pipeline modifications during renovations
Key specifications
 Connection 1: 28 mm socket for pipe insertion
 Connection 2: 3/4" external threaded nipple
 Intended media: potable water supply
 Application: metric-to-imperial pipe transition for supply lines
 Typical materials: compatible with copper and common plumbing plastics
 Design: compact inline coupling for straightforward installation
How to use
Prepare the 28 mm pipe by cutting square and deburring the end. Insert the pipe into the 28 mm socket until it reaches the stop, following the manufacturer's guidance for the specific pipe material and joint type. Thread the 3/4" nipple into the mating threaded fitting, applying appropriate sealing method for the thread type (sealant tape or suitable thread sealant) as required by the installation standards. Tighten to the recommended torque for the mating components, ensuring a leak-free joint without overstressing the connection.
Usage recommendations
Verify compatibility with the pipe material and local plumbing codes before installation. Use proper pipe preparation and approved sealing materials on the 3/4" thread. Inspect the assembled joint under pressure after installation to confirm there are no leaks.

## FAQ

### How much does the VIEGA transition coupling 28 mm x 3/4" 102913 cost, and is it available for purchase?

The price is 33.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 54 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 17.07.2026 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. 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 VIEGA 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 VIEGA 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/11832441/67233006_large.webp