# Straight connector Alkotest MZP20 20x20 PEX Sigma-Li for PEX piping

**URL:** https://aio.lv/en/product--alkotest-mzp20--11822988
**Data updated:** 2026-03-09 11:11 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** Alkotest
**Manufacturer code:** MZP20
**EAN:** 5901171120090
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--alkotest-mzp20--11822988

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Alkotest MZP20 is a straight 20x20 PEX connector (Sigma-Li) designed for joining PEX pipes of matching 20 mm diameter. It provides a push-fit/press-style connection for plumbing and heating systems, enabling secure, leak-resistant joints in potable water, underfloor heating, and radiator circuits. Suitable for professional and DIY installation where PEX piping is used.

## Long description

Alkotest MZP20 20x20 PEX Sigma-Li straight connector is designed to join two 20 mm PEX pipes with a push-fit/press-style connection. Intended for use in plumbing and heating installations, the connector creates a compact, linear coupling that supports potable water distribution, underfloor heating manifolds and radiator circuits. The design complies with requirements for PEX systems and allows for quick assembly without complex tools when used with compatible press or crimp fittings.
Advantages
The connector provides a secure, leak-resistant joint that maintains pipe alignment and continuity. Its compact straight design reduces the need for additional fittings and conserves space within installation runs. The Sigma-Li profile is engineered for reliable mechanical connection with standard PEX installation methods, offering consistent performance in both residential and commercial systems.
Suitable for
Joining two 20 mm PEX pipes in potable water supply lines
Connections within underfloor heating circuits and manifolds
Radiator feed and return piping using 20 mm PEX
Professional plumbing and DIY PEX installations
Key specifications
Connection type: straight 20x20 PEX push-fit/press-style connector
Pipe compatibility: PEX pipes with 20 mm nominal diameter
Intended media: potable water and heating fluids
Typical applications: potable water distribution, underfloor heating, radiator circuits
Design: compact linear coupling for in-line joins
How to use
Prepare pipe ends by ensuring they are cut square, deburred and free of dirt or damage. Insert each 20 mm PEX pipe into the connector until fully seated according to the connector's insertion depth marks or stop. Complete the joint using the appropriate press or crimp method specified for Sigma-Li profile connectors and compatible PEX systems. After assembly, check each joint for correct engagement and perform a pressure test of the system in line with local codes and installation best practices.
Usage recommendations
Use this connector with PEX piping and compatible press/crimp tools recommended by the piping system manufacturer. Do not reuse connectors after disassembly. Follow local plumbing regulations and carry out pressure testing and flushing before placing the system into service.

## FAQ

### How much does the Alkotest MZP20 straight 20x20 PEX connector cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 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 13.07.2026 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 Alkotest 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 Alkotest 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/11822988/67224991_large.webp