# VIEGA pipe bypass 18 mm model N23 — plumbing fitting

**URL:** https://aio.lv/en/product--viega-508518--11831744
**Data updated:** 2026-03-09 14:42 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** VIEGA
**Manufacturer code:** 508518
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--viega-508518--11831744

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

VIEGA bypass fitting, model N23, for 18 mm pipes. This plumbing component provides a full bypass connection designed to redirect flow or create an alternate route in piping systems. Suitable for use in domestic and light commercial installations where 18 mm pipework requires a bypass or rerouting. Use for maintenance access, isolation, or system balancing.

## Long description

The VIEGA pipe bypass 18 mm model N23 is a plumbing fitting engineered to provide a full bypass connection for 18 mm pipe systems. It is designed to redirect fluid flow or create an alternate route within domestic and light commercial installations where compact bypassing or rerouting is required. The fitting supports routine maintenance, system isolation and balancing without the need for extensive reconfiguration of existing pipework.
Advantages
This bypass fitting is compact and compatible with standard 18 mm pipework, offering a reliable mechanical connection that maintains flow integrity. Its design allows for straightforward integration into existing piping layouts, reducing installation time and minimizing interruption to system operation. The component is suitable for repeated use during maintenance and provides consistent performance for bypassing, balancing, and temporary rerouting tasks.
Suitable for
 Creating an alternate flow route in 18 mm domestic water systems
 Providing bypass access for maintenance and repairs
 System balancing and temporary isolation in light commercial installations
 Rerouting flow during component replacement or upgrades
Key specifications
 Pipe compatibility: 18 mm diameter
 Function: full bypass connection for redirecting flow
 Typical applications: domestic and light commercial plumbing
 Installation type: inline bypass fitting suitable for compact layouts
How to use
Plan the bypass location on the 18 mm pipework and isolate the relevant section of the system before starting work. Prepare and cut the pipe to the required lengths, deburr and clean the pipe ends, then fit the bypass according to the chosen connection method and the manufacturer's guidance. After installation, restore system pressure and check for leaks and proper flow through both the main and bypass routes. Use the bypass to divert flow during maintenance, isolation, or balancing operations as needed.
Usage recommendations
Ensure compatibility with existing 18 mm piping materials and follow local plumbing codes. Verify the selected connection method and any required sealing or securing components before installation. Regularly inspect joints and seals after initial use and during scheduled maintenance to maintain system integrity.

## FAQ

### How much does the VIEGA bypass fitting N23 for 18 mm pipes 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 — 23 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 14.07.2026 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/11831744/67232301_large.webp