# Brass Reducer FERRO RN03Z 3/4" x 1/2" – threaded plumbing fitting

**URL:** https://aio.lv/en/product--ferro-rn03z--11818066
**Data updated:** 2026-03-09 11:05 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** FERRO
**Manufacturer code:** RN03Z
**EAN:** 5902194917407
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ferro-rn03z--11818066

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

FERRO RN03Z is a brass threaded reducer with 3/4" to 1/2" sizes for plumbing systems. Designed to connect pipes or fittings of different diameters, it provides a durable corrosion-resistant metal transition for water installations, radiators or valves. Suitable for household and commercial piping where a reliable threaded adapter is required.

## Long description

FERRO RN03Z 3/4" x 1/2" is a brass threaded reducer designed to connect plumbing components with different thread sizes. The fitting provides a metal transition between 3/4" and 1/2" threaded pipes or valves, offering corrosion resistance and mechanical strength suitable for water distribution and heating systems in residential and commercial installations.
Advantages
The brass construction ensures good corrosion resistance and durability in standard plumbing environments. Threaded connections allow straightforward installation without soldering or special tools, and the compact reducer design saves space in tight piping runs. The metal-to-metal transition provides reliable sealing when used with appropriate sealing material such as PTFE tape or hemp.
Suitable for
 Connecting 3/4" threaded pipes to 1/2" threaded fittings or valves
 Domestic water supply lines and bathroom installations
 Radiator and heating system connections
 Commercial plumbing repairs and retrofit projects
Key specifications
 Material: brass
 Connection type: threaded reducer
 Nominal sizes: 3/4" (larger end) to 1/2" (smaller end)
 Application medium: potable water, heating fluids (compatible with standard potable water and heating system media)
 Surface finish: natural brass (uncoated)
How to use
Before installation, ensure both mating threads are clean and undamaged. Apply an appropriate thread sealant such as PTFE tape or hemp to the male thread to prevent leaks. Screw the FERRO brass reducer into the larger threaded component, then attach the smaller threaded pipe or fitting and tighten to a snug fit using appropriate wrenches; avoid over-tightening to prevent thread deformation. Verify for leaks after pressurizing the system.
Usage recommendations
Use thread sealant compatible with potable water when connecting to drinking water systems. Avoid exposure to aggressive chemicals or environments that accelerate dezincification. For installations in concealed or high-vibration locations, periodically inspect threaded joints for tightness and signs of corrosion.

## FAQ

### How much does the Brass Reducer FERRO RN03Z 3/4" x 1/2" cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 222 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 07.07.2026 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 FERRO 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 FERRO 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/11818066/67220025_large.webp