# VIEGA Viega 4180 Czwórnik 15 – 4-way plumbing fitting (model 4180, 15 mm)

**URL:** https://aio.lv/en/product--viega-138851--12366702
**Data updated:** 2026-04-26 18:54 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** VIEGA
**Manufacturer code:** 138851
**EAN:** 4015211138851
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--viega-138851--12366702

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

VIEGA 4180 Czwórnik 15 is a 4-way plumbing fitting designed for connecting four 15 mm pipes. Manufactured by VIEGA (model 4180), it provides a reliable junction for water or heating systems, enabling branch connections and manifold assemblies. Suitable for installation in residential and light commercial plumbing where durable pipe intersections are required.

## Long description

VIEGA Viega 4180 Czwórnik 15 is a 4-way plumbing fitting designed to join four 15 mm pipes in a compact junction. Intended for water and heating distribution systems, this fitting creates a stable intersection for branching lines and manifold assemblies in residential and light commercial installations. The product name and model identify its compatibility with standard 15 mm copper, multi-layer or plastic plumbing pipes where a four-way connection is required.
Advantages
The Viega 4180 Czwórnik 15 provides a compact and robust solution for creating four-way pipe intersections. Its design supports reliable flow distribution and simplifies routing in confined spaces. Using a single standard-sized fitting reduces the number of joints needed compared with multiple tees and couplings, which can reduce installation time and potential leak points. The fitting is compatible with common 15 mm piping materials, enabling flexible use across typical domestic and light commercial systems.
Suitable for
 Connecting four 15 mm water or heating pipes in a compact junction
 Branching supply lines from a manifold or header
 Space-constrained installations where a compact 4-way connection is required
 Domestic and light commercial plumbing systems using 15 mm pipes
When it may not be suitable
This 4-way fitting is specific to 15 mm pipe systems; it is not suitable for pipe networks that use larger or smaller diameters without an appropriate reducer or adapter. It may not be appropriate for high-pressure industrial systems or applications requiring specialized materials or certifications beyond standard domestic water and heating use.
Key specifications
 Number of connections: 4-way junction
 Nominal pipe size: 15 mm
 Intended media: potable water and heating system fluids
 Typical materials compatibility: copper, multilayer (PEX/aluminum/PEX), and compatible plastic plumbing pipes
 Application: indoor plumbing and heating distribution
How to use
Install the Viega 4180 Czwórnik 15 according to standard plumbing practice for the pipe type being used. Prepare pipe ends by cutting square, deburring, and cleaning. Depending on the piping system, attach using the appropriate joining method compatible with the fitting and pipes (for example soldering, press-fit, or connection suitable for the material). Ensure correct alignment, secure the connections, and pressure-test the assembled system to verify leak-free joints before final commissioning.
What to consider before purchase
 Confirm the system pipe outer diameter and compatibility with a 15 mm fitting
 Verify the joining method required (solder, press, or compatible connection) and required tools
 Ensure the fitting material and certifications match local plumbing codes and the intended application
 Assess whether a 4-way junction is the optimal layout versus multiple tees and couplings
Usage recommendations
Use this fitting in indoor potable water and heating circuits where compact, reliable branching is needed. Follow manufacturer installation guidelines and local plumbing codes, and perform pressure testing after installation to confirm system integrity.

## FAQ

### How much does the VIEGA 4180 Czwórnik 15 plumbing fitting cost, and is it available for purchase?

The price is 18.99 € (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 15.07.2026 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/12366702/68486234_large.webp