# Alkotest double-wall turbo elbow 90° reducing 80/125 to 60/100 white (model SX-TDNV80/125K90RB)

**URL:** https://aio.lv/en/product--alkotest-sx-tdnv80125k90rb--11827201
**Data updated:** 2026-03-09 11:16 (EET)
**Category:** Other goods
**Manufacturer:** Alkotest
**Manufacturer code:** SX-TDNV80/125K90RB
**EAN:** 5907520986454
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 73.49 €
**Prices and availability valid until:** 2026-09-01 23:59
**Price without VAT (21%):** 60.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--alkotest-sx-tdnv80125k90rb--11827201

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.08.2026 | free |
| Pickup points | 20.08.2026 | 1.79 EUR |
| Courier delivery to door | 20.08.2026 | 4.99 EUR |

## Summary description

Double-wall turbo elbow by Alkotest, model SX-TDNV80/125K90RB. 90° reducing bend connecting Ø80/125 mm outer flue to Ø60/100 mm inner flue. Designed for turbo/forced-draught flue systems, it provides concentric concentric transition and maintains insulated flue pathway. Suitable for gas and oil condensing boilers and balanced-vent combustion appliances requiring a concentric reduction in the flue run.

## Long description

Alkotest double-wall turbo elbow 90° reducing 80/125 to 60/100 white (model SX-TDNV80/125K90RB) is a concentric, insulated 90-degree reducing bend designed for turbo and forced-draught flue systems. It provides a sealed, coaxial transition from an outer diameter of 80/125 mm to an inner concentric flue of 60/100 mm, preserving the insulated pathway required for balanced-vent combustion appliances. The component is intended for use with gas and oil condensing boilers and other appliances that demand a concentric reduction within the flue run.
Advantages
The double-wall construction ensures thermal insulation and maintains flue gas temperature control while preventing condensation issues at the junction. The concentric design keeps combustion air and exhaust separated within a single, compact fitting, reducing the risk of leaks and simplifying installation in systems that require an outer and inner duct. The white finish facilitates visual integration with existing ductwork and simplifies inspection.
Suitable for (tasks / use cases)
 Concentric reductions in turbo and forced-draught flue systems
 Connecting outer Ø80/125 mm duct to inner Ø60/100 mm flue
 Gas and oil condensing boilers with balanced-vent combustion
 Installations requiring a 90° change of direction while maintaining concentric airflow
Key specifications
 Function: 90° concentric reducing elbow for turbo/forced-draught flues
 Outer concentric diameter: 80/125 mm
 Inner concentric diameter: 60/100 mm
 Orientation: 90° bend
 Construction: double-wall, insulated concentric design
 Finish: white
 Compatibility: designed for balanced-vent combustion appliances including condensing boilers
How to use
Install the elbow as part of a concentric flue run, ensuring the outer sleeve (80/125) aligns with the existing outer duct and the inner sleeve (60/100) aligns with the inner flue pipe. Follow the appliance and flue manufacturer instructions for securing joints and sealing connections; use only compatible clamps, seals or locking systems specified for concentric turbo ductwork. Verify correct orientation of the elbow to maintain the intended direction of exhaust flow and combustion air intake, and confirm that the assembled flue route meets clearance and support requirements.
Usage recommendations
Use this elbow only within systems designed for concentric double-wall flues and in accordance with local building codes and appliance manufacturer instructions. Regularly inspect joints and supports for corrosion, seal integrity and secure attachment. For installations with condensing boilers, ensure condensate drainage and material compatibility are addressed to prevent premature wear.

## FAQ

### How much does the Alkotest turbo elbow 90° reducing 80/125→60/100 cost, and is it available for purchase?

The price is 73.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 17.08.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Alkotest turbo elbow 90° reducing 80/125→60/100 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/11827201/67228500_large.webp