# TDM Brass Inner Sleeve 1 1/4" x 1" Threaded Pipe Fitting

**URL:** https://aio.lv/en/product--tdmbrass-112sp401--12505115
**Data updated:** 2026-06-10 09:31 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** tdm\_brass
**Manufacturer code:** 112SP401
**EAN:** 4770364161070
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-08-18 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tdmbrass-112sp401--12505115

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 29.07.2026 | 1.79 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

The TDM Brass inner sleeve is a high-quality threaded pipe fitting designed for reliable connections in plumbing and heating systems. Featuring a 1 1/4" x 1" size, this brass component ensures a secure and leak-proof transition between pipes of different diameters. Its durable construction provides excellent resistance to corrosion and pressure, making it an essential part for professional piping installations and maintenance.

## Long description

The TDM Brass inner sleeve 1 1/4" x 1" is a precision-engineered threaded pipe fitting designed for seamless integration into plumbing and heating systems. Crafted from high-quality brass, this component serves as a reliable adapter for connecting pipes of varying diameters, ensuring a secure and leak-proof transition. Its robust construction is specifically designed to withstand the rigors of professional piping installations, offering long-term durability and resistance to environmental stress.
Advantages
The primary benefit of this brass inner sleeve is its exceptional material quality, which provides superior resistance to corrosion and mechanical wear compared to standard fittings. The precise threading ensures a tight fit, minimizing the risk of leaks and reducing the need for frequent maintenance. Its compact design allows for easy installation in confined spaces, making it a versatile solution for both new construction projects and the repair of existing piping infrastructure.
Suitable for
Connecting pipes with different diameters in plumbing systems
Heating system installations and maintenance
Professional piping infrastructure projects
Residential and commercial water supply lines
When it may not be suitable
This fitting is not intended for use in high-pressure steam systems or environments involving highly corrosive chemicals that may degrade brass. It should also be avoided in applications where the pipe material is incompatible with brass, as this could lead to galvanic corrosion.
Key specifications
Material: High-quality brass
Connection type: Threaded
Size: 1 1/4 inch to 1 inch
Application: Plumbing and heating systems
How to use
To install the TDM Brass inner sleeve, ensure that the pipe threads are clean and free of debris. Apply an appropriate thread sealant or PTFE tape to the male threads to ensure a watertight seal. Carefully thread the sleeve into the corresponding pipe ends, tightening with a suitable wrench until secure. Avoid overtightening, as this may damage the threads or the fitting itself.
What to consider before purchase
Verify the thread compatibility with your existing piping system
Ensure the 1 1/4 inch and 1 inch diameters match your specific requirements
Check for any potential galvanic corrosion risks if connecting to different metal types
Usage recommendations
Regularly inspect the connection point for any signs of moisture or leaks after the initial installation and during routine system maintenance to ensure long-term performance.

## FAQ

### How much does the TDM Brass 1 1/4" x 1" Inner Sleeve Pipe Fitting 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 — 70 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 Friday 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/12505115/68845884_large.webp