# Reducing coupling (galvanized) INVENA ZO-11-010 1/2" x 3/8" pipe fitting

**URL:** https://aio.lv/en/product--invena-zo-11-010--11828919
**Data updated:** 2026-03-09 14:37 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** INVENA
**Manufacturer code:** ZO-11-010
**EAN:** 8435049310070
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 4.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--invena-zo-11-010--11828919

## 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

Galvanized reducing coupling INVENA ZO-11-010 for joining pipes with different thread sizes (1/2" to 3/8"). Threaded pipe fitting made for plumbing installations requiring secure transition between 1/2" and 3/8" connections. Suitable for water supply and general plumbing repairs, replacement of mismatched fittings, and system modifications where corrosion resistance is needed.

## Long description

Galvanized reducing coupling INVENA ZO-11-010 1/2" x 3/8" is a threaded pipe fitting designed to connect pipes or fittings with different thread sizes. Constructed with a galvanized finish, the coupling provides a corrosion-resistant interface for water supply and general plumbing applications where a step-down from 1/2" to 3/8" thread is required. The fitting is intended for straightforward mechanical joining of threaded components in domestic and light commercial installations.
Advantages
The galvanized surface enhances resistance to rust and corrosion compared with untreated steel, extending service life in moist environments. Threaded connection allows quick installation without soldering or welding, and the compact reducing design saves space while providing a reliable mechanical transition between 1/2" and 3/8" pipe threads. The fitting is compatible with common plumbing materials and fittings that use standard thread profiles.
Suitable for
Water supply lines in residential and light commercial plumbing
Repair or replacement of mismatched threaded fittings
System modifications where a reduction from 1/2" to 3/8" is needed
Temporary connections during maintenance and testing
Key specifications
Material: galvanized metal for improved corrosion resistance
Connection types: threaded female and male interfaces for 1/2" and 3/8"
Size: reduces from 1/2" thread to 3/8" thread
Application: suitable for potable water and general plumbing systems
How to use
Prepare the mating threads by cleaning and removing old sealing material or debris. Apply an appropriate thread sealant or plumber's tape to the male threads to ensure a watertight joint. Hand-start the coupling onto the male thread, then tighten with an adjustable wrench or pipe pliers until snug; avoid over-tightening to prevent thread damage. After installation, pressurize the system and inspect the joint for leaks, re-tightening slightly if necessary.
Usage recommendations
Use compatible thread sealants approved for potable water if the fitting is installed on drinking water lines. Avoid exposing the galvanized surface to aggressive chemicals that can accelerate corrosion. For permanent installations subject to vibration or thermal cycling, verify compatibility of mating materials and consider periodic inspection for signs of wear or leakage.

## FAQ

### How much does the Reducing coupling INVENA ZO-11-010 1/2"x3/8" cost, and is it available for purchase?

The price is 4.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 INVENA 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 INVENA 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/11828919/67229839_large.webp