# REHAU Trójnik red PX - RAUTITAN PPSU 20-25-20 fitting for pipe transition

**URL:** https://aio.lv/en/product--rehau-11601041001--11825597
**Data updated:** 2026-03-09 11:14 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** REHAU
**Manufacturer code:** 11601041001
**EAN:** 4007360375928
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.99 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 6.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rehau-11601041001--11825597

## 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

REHAU Trójnik red PX RAUTITAN PPSU 20-25-20 is a reducing tee fitting designed for PPSU pipe systems. It provides a 20 mm to 25 mm to 20 mm branch connection for redistribution or transition of fluids in plumbing installations. Suited for potable water and heating circuits where RAUTITAN PPSU components are used, it ensures leak-resistant connections within compatible pipe networks.

## Long description

REHAU Trójnik red PX - RAUTITAN PPSU 20-25-20 is a reducing tee fitting designed for use in RAUTITAN PPSU piping systems. The fitting provides a 20 mm to 25 mm to 20 mm branch connection that enables redistribution or transition of fluids in potable water and heating installations. Manufactured for compatibility with RAUTITAN PPSU components, the fitting supports reliable, leak-resistant joins when assembled according to system requirements.
Advantages
The reducing tee is made from PPSU material selected for mechanical strength and long-term resistance to hot water and common plumbing conditions. Its reducer configuration allows straightforward diameter transition within a single fitting, reducing the need for multiple adapters. Designed for integration with RAUTITAN systems, the part gives consistent dimensional compatibility and predictable performance in both domestic and light commercial installations.
Suitable for (tasks / use cases)
Creating a 25 mm main run with 20 mm branch outlets in potable water systems
Connecting heating circuit branches with diameter transition requirements
Retrofit work where a size reduction is needed without introducing multiple couplings
Use in RAUTITAN PPSU-based plumbing installations in residential or small commercial buildings
Key specifications
Material: PPSU (polyphenylsulfone) suitable for hot water applications
Connection type: reducing tee with 20 mm → 25 mm → 20 mm diameters
Application: potable water and heating circuit compatibility
Design: push-fit or system-compatible connection geometry for RAUTITAN PPSU components
Operating conditions: intended for typical domestic hot and cold water temperatures and pressures when used within RAUTITAN system specifications
How to use
Install the reducing tee within a RAUTITAN PPSU piping layout at the point where a 25 mm main line must supply 20 mm branch outlets. Prepare pipe ends by cutting squarely and deburring; confirm pipe cleanliness and correct insertion depth per RAUTITAN guidance. Assemble connections using the recommended tools and techniques for RAUTITAN PPSU components and verify mechanical engagement and sealing. After assembly, perform pressure testing of the circuit in line with local codes and RAUTITAN system instructions before putting into regular service.
Usage recommendations
Use this fitting only with RAUTITAN PPSU-compatible pipes and accessories to maintain system integrity; follow RAUTITAN installation instructions, temperature and pressure limits, and local plumbing regulations. Periodic inspection after installation is advised to verify leak-free operation.

## FAQ

### How much does the REHAU Trójnik red PG RAUTITAN PPSU 20-25-20 cost, and is it available for purchase?

The price is 7.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 122 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 REHAU 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 REHAU 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/11825597/67227271_large.webp