# TDM Brass Plumbing Coupling 1/2 inch x 1/4 inch Internal Thread

**URL:** https://aio.lv/en/product--tdmbrass-112s1214--12505042
**Data updated:** 2026-06-10 09:31 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** tdm\_brass
**Manufacturer code:** 112S1214
**EAN:** 4770364161896
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 2.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tdmbrass-112s1214--12505042

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The TDM Brass plumbing coupling is a high-quality threaded fitting designed for secure pipe connections. Featuring 1/2 inch and 1/4 inch internal threads, this component is ideal for plumbing systems requiring a transition between different pipe diameters. Made from durable brass, it ensures reliable performance, corrosion resistance, and a leak-proof seal in various water supply and heating installations.

## Long description

The TDM Brass plumbing coupling is a precision-engineered threaded fitting designed to facilitate secure and reliable connections within plumbing and heating systems. This component serves as an essential adapter, allowing for a seamless transition between pipes with different thread diameters. Constructed from high-quality brass, the coupling offers exceptional durability and resistance to corrosion, ensuring long-term performance in various water supply applications.
Advantages
The primary benefit of this brass coupling is its robust construction, which provides superior mechanical strength and longevity compared to plastic or inferior metal alternatives. Its precise threading ensures a tight, leak-proof seal, which is critical for maintaining system pressure and preventing water damage. Furthermore, the natural properties of brass make this fitting highly resistant to rust and chemical degradation, making it a dependable choice for both residential and commercial plumbing installations.
Suitable for
Connecting pipes with different thread sizes in water supply systems
Adapting plumbing lines in heating installations
Repairing or extending existing threaded pipe networks
Industrial and domestic fluid transport systems
When it may not be suitable
This coupling is not intended for use in high-pressure steam systems or environments where the fluid temperature exceeds the thermal limits of brass. It is also not suitable for applications involving highly corrosive chemicals that may react with copper-based alloys.
Key specifications
Material: Brass
Connection type: Internal thread to internal thread
Thread size 1: 1/2 inch
Thread size 2: 1/4 inch
Application: Plumbing and heating systems
How to use
To install the coupling, ensure that the pipe ends are clean and free of debris. Apply a suitable thread sealant, such as PTFE tape or pipe dope, to the male threads of the pipes being connected. Screw the pipes into the internal threads of the coupling by hand until firm, then use an appropriate wrench to tighten the connection further. Do not overtighten, as this may damage the threads or the fitting itself.
What to consider before purchase
Verify the thread type and size requirements of your existing piping
Ensure the material compatibility with the fluid being transported
Check the pressure and temperature ratings of your system
Confirm that you have the necessary tools for proper installation
Usage recommendations
Regularly inspect the connection for signs of moisture or leaks after the initial installation and during routine maintenance checks to ensure the integrity of the plumbing system.

## FAQ

### How much does the TDM Brass 1/2 x 1/4 Inch Plumbing Coupling cost, and is it available for purchase?

The price is 2.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 493 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 02.07.2026 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 tdm\_brass 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 tdm\_brass 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/12505042/68845807_large.webp