# Compression reducer fitting SiGMA-Li MZR2520 for PEX pipes 25×20 mm

**URL:** https://aio.lv/en/product--sigma-li-mzr2520--11825520
**Data updated:** 2026-03-09 11:14 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** SiGMA-Li
**Manufacturer code:** MZR2520
**EAN:** 5902814623794
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sigma-li-mzr2520--11825520

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Compression reducer fitting SiGMA-Li MZR2520 designed for PEX piping systems, reducing pipe diameter from 25 mm to 20 mm. Suitable for potable water and heating installations where PEX connections are required. Provides a secure mechanical join between different PEX sizes, compatible with standard PEX dimensions and used in domestic and light commercial plumbing.

## Long description

The SiGMA-Li MZR2520 compression reducer fitting for PEX pipes is designed to connect a 25 mm PEX pipe to a 20 mm PEX pipe in potable water and heating systems. This mechanical reducer provides a compact inline transition between two common PEX diameters, enabling reliable flow reduction without the need for soldering or solvent welding. The fitting is intended for domestic and light commercial plumbing where PEX piping and compression connections are specified.
Advantages
The compression design ensures a secure, leak-resistant mechanical joint that can be installed with basic plumbing tools. Its compact form factor minimises space requirements in confined installations. Compatible with standard PEX dimensions, the reducer offers a straightforward way to change pipe sizes while maintaining system integrity and flow performance.
Suitable for
Residential potable water distribution with PEX piping
Heating circuits and radiator feed lines using PEX
Repair or modification of existing PEX networks where diameter reduction is required
Light commercial plumbing installations with PEX systems
Key specifications
Type: Compression reducer fitting for PEX pipes
Material compatibility: PEX piping systems
Connection sizes: inlet 25 mm → outlet 20 mm
Application: potable water and heating installations
Installation: mechanical compression connection, no soldering or solvent required
How to use
Prepare the PEX pipe ends by cutting square and deburring to ensure a clean, straight edge. Slide the compression nut and any supplied olive or ferrule onto the pipe, insert the pipe fully into the fitting until it seats, then hand-tighten the nut and complete the connection with the recommended torque using a wrench. Verify proper alignment and tighten according to manufacturer guidance to achieve a leak-free joint. After assembly, test the system under normal working pressure to confirm there are no leaks.
Usage recommendations
Use with compatible PEX pipe dimensions and follow local plumbing codes. Avoid over-tightening the compression nut to prevent damage to the pipe or fitting. Inspect connections after initial pressure testing and during routine maintenance to ensure continued integrity.

## FAQ

### How much does the SiGMA-Li MZR2520 PEX reducer 25×20 mm cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 17 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 22.07.2026 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/11825520/67227216_large.webp