# Crimp Tee fitting SiGMA-Li MT25 for 25×25×25 mm copper/aluminium pipes

**URL:** https://aio.lv/en/product--sigma-li-mt25--11825368
**Data updated:** 2026-03-09 11:14 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** SiGMA-Li
**Manufacturer code:** MT25
**EAN:** 5902837607054
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sigma-li-mt25--11825368

## 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

Crimp tee fitting SiGMA-Li MT25 designed for 25×25×25 mm pipe runs. A three-way press connection used to branch or join pipe sections in plumbing and HVAC systems. Compatible with common metal pipes (copper and aluminum); used with a press tool to create a permanent, leak-resistant joint. Suitable for potable water, heating and chilled-water circuits where press fittings are specified.

## Long description

Crimp tee fitting SiGMA-Li MT25 for 25×25×25 mm copper/aluminium pipes is a three-way press connection intended for branching or joining pipe sections in plumbing and HVAC installations. The fitting is designed for use with press tools to form a permanent, leak-resistant joint compatible with common metal pipes such as copper and aluminium. It is applicable in potable water systems, heating circuits and chilled-water installations where press fittings are specified.
Advantages
The press-style tee provides a reliable mechanical connection without the need for soldering, reducing installation time and eliminating the use of open flames. Constructed for compatibility with both copper and aluminium pipe materials, the fitting ensures consistent sealing when used with the appropriate pressing tool and inserts. Its three-way layout allows straightforward branching of pipe runs while maintaining flow characteristics and system integrity.
Suitable for
 Domestic and commercial potable water distribution
 Central heating systems and radiators
 Chilled-water circuits and cooling systems
 Plumbing installations requiring secure, flame-free joints
 Retrofit and new-build pipe networks using 25×25×25 mm metal pipes
Key specifications
 Connection type: three-way press (tee) for crimp/press installation
 Pipe compatibility: copper and aluminium pipes with 25 mm outer dimension
 Joint method: press/crimp forming a permanent, leak-resistant seal when pressed
 Application media: potable water, heating water, chilled water
 Typical use temperature range: suitable for heating and chilled-water circuits (follow system specifications)
How to use
Select compatible 25×25×25 mm copper or aluminium pipe and ensure pipe ends are cut square, deburred and clean. Insert the appropriate sealing element or insert if required by the press system, position the tee on the pipe end and operate the compatible press tool according to the tool manufacturer’s instructions. Verify each pressed joint visually and, where applicable, by pressure testing the installation in line with applicable standards and local codes.
Usage recommendations
Use only press tools and jaws approved for the press fitting system and material type. Confirm compatibility with pipe wall thickness and the selected press system inserts. After installation, conduct pressure and leak tests as required by regulations; avoid using fittings on unknown or incompatible pipe materials.

## FAQ

### How much does the Crimp Tee SiGMA-Li MT25 25×25×25 cost, and is it available for purchase?

The price is 20.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 113 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 SiGMA-Li 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 SiGMA-Li 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/11825368/67227106_large.webp