# TDM Brass 3/4" Internal Thread Coupling

**URL:** https://aio.lv/en/product--tdmbrass-108s34--12503099
**Data updated:** 2026-06-10 09:25 (EEST)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** tdm\_brass
**Manufacturer code:** 108S34
**EAN:** 2000109702308
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 2.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tdmbrass-108s34--12503099

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The TDM Brass 3/4" coupling is a high-quality plumbing fitting designed for secure pipe connections. Featuring internal threads on both sides, this brass component ensures durability and corrosion resistance in water supply and heating systems. It is an essential element for reliable plumbing installations, providing a leak-proof seal for various industrial and residential applications.

## Long description

The TDM Brass 3/4" Internal Thread Coupling is a robust plumbing component engineered for creating secure and reliable connections between two pipes with external threads. Crafted from high-quality brass, this coupling offers exceptional durability and resistance to corrosion, making it an ideal choice for both residential and industrial water supply and heating systems. Its precision-machined internal threads ensure a tight, leak-proof seal, contributing to the overall integrity and longevity of your plumbing infrastructure.
Advantages
This brass coupling stands out due to its superior material composition, which provides excellent mechanical strength and long-term reliability under varying pressure and temperature conditions. The use of high-grade brass prevents rust and mineral buildup, ensuring consistent flow and performance over time. Its standardized 3/4-inch sizing allows for seamless integration into existing pipe networks, simplifying installation and maintenance processes for professionals and DIY enthusiasts alike.
Suitable for
Residential water supply systems
Heating and radiator installations
Industrial fluid transport lines
Connecting pipes with 3/4-inch external threads
When it may not be suitable
This coupling is not intended for use with pipes that do not feature a standard 3/4-inch external thread. It is also not suitable for high-pressure steam applications or systems involving highly corrosive chemicals that may degrade brass over time.
Key specifications
Material: High-quality brass
Connection type: Internal thread (female) on both sides
Size: 3/4 inch
Application: Water supply 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 external threads of the pipes being connected. Screw the pipes into the coupling by hand until they are snug, then use an appropriate wrench to tighten the connection further. Avoid overtightening, as this may damage the threads or the coupling itself.
What to consider before purchase
Verify that your pipe system requires a 3/4-inch connection size
Ensure compatibility with your existing pipe material to prevent galvanic corrosion
Check that the threads on your pipes are external (male)
Usage recommendations
Always inspect the connection for leaks after installation by pressurizing the system slowly. If a leak is detected, disassemble the joint, reapply the sealant, and tighten the connection carefully.

## FAQ

### How much does the TDM Brass 3/4" Internal Thread 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 — 1890 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 22.06.2026 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/12503099/68842734_large.webp