# Compression Elbow SiGMA-Li GZ 20x1/2 for PE-RT pipes (PERTKZ2012)

**URL:** https://aio.lv/en/product--sigma-li-pertkz2012--11825449
**Data updated:** 2026-03-09 11:14 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** SiGMA-Li
**Manufacturer code:** PERTKZ2012
**EAN:** 5902814627716
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sigma-li-pertkz2012--11825449

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

SiGMA-Li compression elbow GZ 20x1/2 designed for use with PE-RT (polyethylene of raised temperature resistance) piping systems. This 90° elbow fitting provides a threaded GZ 1/2 connection and a 20 mm pipe interface, enabling reliable directional changes in plumbing and heating installations. Suitable for potable water and underfloor heating circuits where PE-RT pipe connections are required.

## Long description

The SiGMA-Li Compression Elbow GZ 20x1/2 for PE-RT pipes is a 90° fitting designed to connect 20 mm PE-RT piping to a GZ 1/2 threaded outlet. Intended for plumbing and heating systems, this elbow facilitates a secure directional change while maintaining flow integrity in potable water and underfloor heating circuits. The compression connection for PE-RT ensures a mechanical seal without the need for heat fusion at the joint, simplifying installation and future maintenance.
Advantages
This compression elbow provides a compact 90° turn with a threaded GZ 1/2 male connection and a 20 mm interface suitable for PE-RT pipes. The design supports reliable sealing under typical domestic water and heating pressures and reduces risk of leaks when fitted according to manufacturer guidelines. Its construction is compatible with potable water systems and with common underfloor heating applications that use PE-RT pipework, offering a balance of ease of installation and durable performance.
Suitable for (tasks / use cases)
Connecting 20 mm PE-RT pipe to a GZ 1/2 threaded fixture or valve
Changing flow direction by 90° in domestic plumbing systems
Underfloor heating manifolds and branch connections using PE-RT pipe
Potable water distribution where mechanical compression fittings are specified
Key specifications
Elbow angle: 90°
Pipe connection: compression for 20 mm PE-RT pipe
Threaded connection: GZ 1/2 (male)
Intended media: potable water and heating fluids compatible with PE-RT
Connection type: mechanical compression (no fusion required at the joint)
How to use
Prepare the PE-RT pipe by cutting squarely and deburring the end. Slide the compression nut and insert any supplied ferrule or sleeve onto the pipe as specified by the fitting manufacturer. Push the pipe fully into the compression port until it seats against the stop, then hand-tighten the compression nut onto the elbow body. Use suitable wrenches to tighten to the torque recommended by the fitting maker, taking care not to overtighten metal components. Thread the GZ 1/2 male end into the mating female thread using appropriate thread sealant or tape if required by local codes, then check the assembly for leaks under pressure.
Usage recommendations
Verify compatibility of the fitting with the specific PE-RT pipe brand and wall thickness in use. Follow local plumbing codes for thread sealing and testing; perform a pressure test after installation and inspect for any signs of movement or leakage. When installing in underfloor heating systems, ensure the elbow is positioned to minimize stress on the pipe and allow access for future maintenance.

## FAQ

### How much does the Compression Elbow SiGMA-Li GZ 20x1/2 PERTKZ2012 cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 61 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 24.07.2026 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/11825449/67227156_large.webp