# VIEGA transition coupling PRESTABO 35 mm x 1" female thread (model 704766)

**URL:** https://aio.lv/en/product--viega-704766--11828673
**Data updated:** 2026-03-09 14:36 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** VIEGA
**Manufacturer code:** 704766
**EAN:** 4015211704766
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.49 €
**Prices and availability valid until:** 2026-08-09 23:59
**Price without VAT (21%):** 11.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--viega-704766--11828673

## 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 PRESTABO transition coupling, model 704766, connects 35 mm press-fit tube to a 1" female (internal) threaded fitting. Designed for joining PRESTABO press systems with threaded components, it provides a mechanical press connection on the pipe side and a threaded interface for valves or appliances. Suitable for potable water and heating installations where a reliable transition between press-fit tubing and 1" threaded fittings is required.

## Long description

The VIEGA transition coupling PRESTABO 35 mm x 1" female thread is engineered to join 35 mm PRESTABO press-fit tubing with a 1" internal threaded fitting. It provides a secure mechanical press connection on the pipe side while offering a standard female thread for attaching valves, appliances or other threaded components. The fitting is intended for use in potable water and heating systems where a durable, leak-resistant transition between press-fit pipework and threaded fittings is needed.
Advantages
The coupling ensures a reliable press connection that reduces installation time compared with soldering or welding and minimizes the risk of leaks when installed with recommended tools and procedures. Its hybrid design combines the speed of press-fit assembly with the versatility of a threaded interface, allowing easy integration with existing threaded valves and appliances. The component is compatible with common system media such as potable water and heating circuits and is manufactured to meet industry standards for mechanical press fittings.
Suitable for
Connecting 35 mm PRESTABO press-fit tubing to 1" female threaded valves or appliances
Potable water distribution systems
Residential and commercial heating systems
Service and repair work where a transition from press-fit pipe to threaded components is required
Key specifications
Tube connection: 35 mm PRESTABO press-fit interface
Threaded connection: 1" internal (female) thread compatible with standard 1" male fittings
Connection type: mechanical press on pipe side, threaded on appliance side
Intended media: potable water and heating fluids
Application area: domestic and light commercial plumbing and heating installations
How to use
Ensure the press-fit tube is cut square and deburred; verify that the correct press-fit profile and press jaws are used for 35 mm PRESTABO tubing. Slide the coupling onto the prepared tube end and perform the press operation with the compatible pressing tool to create a permanent mechanical joint. On the threaded side, apply an appropriate thread sealant or tape if required by the connected component, then engage the male 1" fitting and tighten to the torque recommended by the appliance or valve manufacturer. Follow system flushing and pressure testing procedures after installation to confirm joint integrity.
Usage recommendations
Use only approved pressing tools and jaws for PRESTABO 35 mm fittings and follow the manufacturer's installation guidelines. Confirm compatibility of thread materials and sealing method with the connected component, and perform pressure testing in accordance with local codes and project specifications.

## FAQ

### How much does the VIEGA PRESTABO transition coupling 35 mm x 1" cost, and is it available for purchase?

The price is 14.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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/11828673/67229634_large.webp