# Copper reducing coupling VIEGA 35x18 mm 115180 for pipe connection

**URL:** https://aio.lv/en/product--viega-115180--11832371
**Data updated:** 2026-03-09 14:43 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** VIEGA
**Manufacturer code:** 115180
**EAN:** 4015211115180
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-08-09 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--viega-115180--11832371

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

VIEGA copper reducing coupling 35x18 mm (model 115180) is a pipe fitting used to connect copper pipes of different diameters. The coupling provides a secure transition from 35 mm to 18 mm tubing and is suitable for plumbing and heating installations where copper connections are required. Designed for reliable mechanical joining in water and heating systems.

## Long description

VIEGA copper reducing coupling 35x18 mm is a mechanical pipe fitting designed to join copper tubes of different diameters. It provides a stable transition from 35 mm to 18 mm and is intended for use in plumbing and heating systems that require copper connections. The coupling is manufactured by VIEGA and is suitable for water and central heating circuits where a reliable mechanical joint between copper pipes is needed.
Advantages
The coupling ensures a secure and compact connection between larger and smaller copper tubes, maintaining flow continuity and system integrity. Its copper construction offers corrosion resistance compatible with copper pipework, and the simple mechanical design facilitates straightforward installation without the need for soldering when used with the appropriate joining method. The compact form factor minimises space requirements in tight installation areas and supports durable performance in typical domestic and light commercial plumbing and heating applications.
Suitable for
Connecting copper pipes of 35 mm to 18 mm diameter in plumbing systems
Transitions in hot and cold water supply lines
Joining sections in central heating circuits and radiators
Repairs or modifications where diameter reduction is required
Key specifications
Material: copper
Connection type: reducing coupling for copper tubing
Compatible pipe diameters: 35 mm and 18 mm
Application: water and heating systems
Design: compact mechanical fitting for inline transition
How to use
Prepare the copper pipes by cutting them square, deburring and cleaning the ends. Slide the coupling onto the larger or smaller pipe end as required and ensure full insertion to achieve correct seating. Depending on the chosen joining method and system requirements, secure the coupling according to manufacturer instructions for mechanical joining or approved joining techniques for copper fittings. Verify alignment and tightness before restoring system pressure and perform a pressure test to confirm leak-free operation.
Usage recommendations
Use this coupling with copper pipes of the specified diameters only and follow applicable plumbing standards and local regulations. Ensure pipe ends are properly prepared and compatible joining tools or methods are used. For installations in heating systems, confirm material compatibility with system fluids and operating temperatures. If uncertain about installation procedures, consult a qualified plumber or installer.

## FAQ

### How much does the VIEGA copper reducing coupling 35x18 mm 115180 cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 38 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 28.07.2026 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/11832371/67232941_large.webp