# Brass coupling FERRO M13Z 6/4 x 1" for plumbing connections

**URL:** https://aio.lv/en/product--ferro-m13z--11921375
**Data updated:** 2026-03-10 09:27 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** FERRO
**Manufacturer code:** M13Z
**EAN:** 5901095626630
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

FERRO M13Z is a brass coupling (mufa) designed for plumbing connections with dimensions 6/4 x 1". Made of brass for corrosion resistance and mechanical durability, it joins compatible threaded pipes or fittings. Suitable for water and heating systems where a 6/4 to 1" threaded transition is required in residential or commercial installations.

## Long description

FERRO M13Z 6/4 x 1" brass coupling is a threaded plumbing fitting designed to join pipes or fittings with different thread dimensions, enabling a secure transition from 6/4 to 1" connections. Manufactured from brass, this coupling offers corrosion resistance and mechanical strength suitable for water and heating systems in residential and commercial installations. The compact design and threaded ends ensure straightforward installation where a reliable change of thread size is required.
Advantages
The brass material provides good resistance to corrosion and long-term durability in typical plumbing environments. Threaded ends allow leak-tight connections when installed with appropriate sealing (such as PTFE tape or thread sealant). The coupling's solid construction ensures stable mechanical performance under normal operating pressures for domestic water and heating circuits. Its compact form factor makes it suitable for confined spaces where a robust, threaded transition is needed.
Suitable for
 Connecting a 6/4 threaded pipe or fitting to a 1" threaded pipe or fitting
 Domestic water supply systems
 Heating circuits and radiators where mixed thread sizes occur
 Repair or modification of plumbing installations in apartments and houses
 Commercial plumbing applications requiring a durable threaded adapter
Key specifications
 Material: brass (corrosion-resistant plumbing brass)
 Connection type: threaded coupling (female/male or matching threaded ends depending on mating parts)
 Thread transition: 6/4 to 1"
 Intended media: potable water, heating fluids (water-based)
 Application environment: residential and commercial plumbing
How to use
Prior to installation, verify that thread types and sizes of the mating pipes or fittings match the coupling (6/4 and 1"). Clean threads on both mating parts and apply an appropriate thread sealant such as PTFE tape or a compatible liquid sealant to ensure a leak-free connection. Hand-start the coupling on the first thread to avoid cross-threading, then tighten with suitable wrenches until secure. Do not overtighten; follow standard plumbing torque guidance for brass fittings. After installation, pressurize the system and check for leaks, retightening slightly if necessary.
Usage recommendations
For long-lasting performance, avoid exposure to aggressive chemicals or highly acidic media. Use compatible sealing materials and avoid excessive mechanical stress on the coupling by supporting adjacent pipes. When used in potable water systems, ensure compliance with local regulations regarding materials for drinking water.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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

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