# VIEGA Viega 3811 pipe fitting / component, inner diameter 100 mm

**URL:** https://aio.lv/en/product--viega-100551--11823144
**Data updated:** 2026-03-09 11:11 (EET)
**Category:** Sinks & Sink Accessories
**Manufacturer:** VIEGA
**Manufacturer code:** 100551
**EAN:** 4015211100551
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 28.09 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--viega-100551--11823144

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

VIEGA Viega 3811 is a plumbing component with an inner diameter of 100 mm designed for piping systems. It serves as a connector or inline element for fluid transport, compatible with appropriate Viega system components. Suitable for residential and commercial installations where a 100 mm internal diameter is required for flow capacity and system integration.

## Long description

VIEGA Viega 3811 pipe fitting / component, inner diameter 100 mm is a plumbing connector designed for use within compatible Viega piping systems. Manufactured from plastic and featuring a lip seal, this inline component provides a 100 mm internal passage for fluid transport and is intended for installations where that diameter and a sealed joint are required. The part is suitable for sanitary applications including WC connections and other drainage or waste systems that match Viega system geometry.
Advantages
The component combines a 100 mm internal diameter with a molded lip seal to ensure a secure, watertight joint without additional sealing materials. Being made of durable plastic, it resists corrosion and is lightweight for easier handling during installation. Its design follows Viega system standards, which supports compatibility and predictable fit within matching Viega connectors and pipes.
Suitable for
WC and sanitary waste connections requiring 100 mm internal diameter
Residential drainage systems integrating Viega components
Commercial sanitary installations with matching system interfaces
Key specifications
Inner diameter: 100 mm
Material: plastic
Seal type: integrated lip seal
Application area: sanitary/waste/pipe connector
How to use
Prepare mating pipes or fittings by ensuring end faces are clean and free of debris. Align the Viega 3811 component with the corresponding pipe or connector and insert until the lip seal seats evenly. Check that the component is fully engaged and that the seal is not twisted or damaged. After assembly, verify the connection for alignment and perform a water test according to local plumbing codes to confirm a leak-free joint.
Usage recommendations
Use this plastic fitting only with compatible Viega system parts and matching 100 mm pipe elements. Avoid exposure to open flames or solvents that could degrade plastic. Follow local installation standards and pressure/temperature limits specified by the overall piping system; inspect the lip seal before installation and replace the component if any damage is found.

## Specifications

| Feature | Value |
|---|---|
| Quantity | 25 |
| Inner diameter | 1000 mm |

## FAQ

### How much does the VIEGA Viega 3811 plumbing component 100 mm cost, and is it available for purchase?

The price is 33.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 42 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 20.07.2026 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/11823144/67290021_large.webp