# REHAU RAUTITAN PPSU reducing tee 25-20-16 mm for plumbing connections

**URL:** https://aio.lv/en/product--rehau-11600841001--11825187
**Data updated:** 2026-03-09 11:14 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** REHAU
**Manufacturer code:** 11600841001
**EAN:** 4007360377038
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.49 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 11.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rehau-11600841001--11825187

## 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 RAUTITAN PPSU reducing tee (25-20-16 mm) is a three-way plumbing fitting made of PPSU for connecting pipes of different diameters. Designed for use in potable water and heating systems, it provides a durable junction between 25 mm, 20 mm and 16 mm pipes. Suitable for professional installation in residential and commercial plumbing.

## Long description

REHAU RAUTITAN PPSU reducing tee 25-20-16 mm for plumbing connections is a three-way fitting made from PPSU (polyphenylsulfone) designed to join pipes of three different diameters in potable water and heating systems. The fitting creates a durable, corrosion-resistant junction between 25 mm, 20 mm and 16 mm pipes and is intended for professional installation in residential and commercial plumbing where reliable transitions between pipe sizes are required.
Advantages
The PPSU material delivers high mechanical strength, chemical resistance and long-term dimensional stability at elevated temperatures. The reducing tee provides a compact, leak-resistant connection between mixed-diameter pipelines and is suitable for repeated thermal cycles without significant deformation. Its smooth internal surfaces support stable flow characteristics and reduce the risk of sediment buildup over time.
Suitable for (use cases)
Connecting potable water supply lines with different diameters in residential buildings
Branching hot water heating circuits where size reduction is required
Plumbing installations in commercial facilities that require corrosion-resistant fittings
Integration into manifold systems and distribution networks with mixed pipe dimensions
Key specifications
Material: PPSU (polyphenylsulfone)
Connection type: reducing tee for three pipe diameters
Compatible pipe diameters: 25 mm, 20 mm, 16 mm
Application: potable water and heating systems
Temperature resistance suitable for domestic hot water and heating applications
How to use
Install the reducing tee by preparing the pipe ends according to the pipe system requirements—cut square, deburr and clean. Follow the REHAU RAUTITAN installation method and use the recommended joining technique for PPSU components, ensuring correct insertion depth and alignment of the pipes. After assembly, perform a pressure test in accordance with applicable local standards and repair codes before commissioning the system.
Usage recommendations
Do not expose the fitting to chemicals or conditions outside the material specifications. Use with compatible RAUTITAN pipes and recommended connection tools to ensure proper sealing and service life. Observe local regulations for potable water installations and carry out pressure testing after assembly.

## FAQ

### How much does the REHAU RAUTITAN PPSU reducing tee 25-20-16 mm cost, and is it available for purchase?

The price is 14.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 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/11825187/67226975_large.webp