# Brass Extension Coupling Hydroland 3/4" x 15 mm for Plumbing Connections

**URL:** https://aio.lv/en/product--hydroland-5900308733189--11817566
**Data updated:** 2026-03-09 11:04 (EET)
**Category:** Power Tools Accessories
**Manufacturer:** Hydroland
**Manufacturer code:** 5900308733189
**EAN:** 5900308733189
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hydroland-5900308733189--11817566

## 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

Hydroland brass extension coupling with 3/4" thread and 15 mm diameter. Designed for plumbing installations to extend or adapt pipe connections where a 3/4" fitting must join 15 mm pipework. Made of brass for corrosion resistance and mechanical durability. Suitable for domestic and light commercial water supply and heating systems.

## Long description

Hydroland brass extension coupling with a 3/4" threaded end and a 15 mm smooth connection is designed to join or adapt plumbing pipework where a 3/4" fitting needs to interface with 15 mm copper, PEX or plastic tubing. Manufactured from brass, the coupling provides corrosion resistance and reliable mechanical strength for domestic and light commercial water supply and heating systems. The compact form factor allows installation in confined spaces and integration with existing fittings without additional adapters.
Advantages
The brass construction offers long-term resistance to corrosion and wear while maintaining dimensional stability for a secure connection. A 3/4" threaded end ensures compatibility with common 3/4" valves and fittings, and the 15 mm end accepts standard 15 mm pipework for a direct, straightforward connection. Its simple design reduces the number of joints required in a run, lowering potential leak points and simplifying maintenance.
Suitable for
Extending or adapting 3/4" threaded fittings to 15 mm pipe systems
Domestic cold and hot water supply installations
Light commercial plumbing and heating circuits
Repairing or modifying existing pipe runs where size transition is needed
Key specifications
Material: brass
Threaded end: 3/4"
Pipe connection diameter: 15 mm
Application: water supply and heating systems
Installation environment: indoor plumbing and light commercial use
How to use
Prepare the mating 3/4" threaded fitting by cleaning the threads and applying appropriate thread sealant or PTFE tape if required by the installation. Ensure the 15 mm pipe end is cut square and deburred; depending on the pipe type, use the recommended joining method (compression, soldering, or push-fit adapter) compatible with the coupling. Align and engage the 3/4" thread by hand, then tighten with a suitable wrench to the torque recommended for the connected fittings. Verify all joints for leaks after the system is pressurized.
Usage recommendations
Use the coupling only with compatible 15 mm pipes and 3/4" fittings. Choose the correct joining method for the pipe material (solder for copper, compression or push-fit for plastic/PEX) and follow local plumbing codes. When in doubt, consult a qualified plumber to ensure proper installation and sealing.

## FAQ

### How much does the Brass Extension Hydroland 3/4" x 15 mm cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 53 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 Hydroland 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 Hydroland 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/11817566/67219362_large.webp