# Round duct reducer AWENTA KO150-29 Ø150→Ø125 mm

**URL:** https://aio.lv/en/product--awenta-ko150-29--11947112
**Data updated:** 2026-03-11 13:42 (EET)
**Category:** Ventilation Filters
**Manufacturer:** AWENTA
**Manufacturer code:** KO150-29
**EAN:** 5905033296244
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--awenta-ko150-29--11947112

## 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 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

AWENTA KO150-29 is a round duct reducer designed to connect Ø150 mm ducting to Ø125 mm ducting. Made for ventilation systems, this fitting provides a smooth transition between different pipe diameters to maintain airflow and reduce turbulence. Suitable for residential and commercial HVAC applications where duct size adaptation is required.

## Long description

AWENTA KO150-29 Ø150→Ø125 mm is a round duct reducer designed to join ductwork with a 150 mm diameter to ducts with a 125 mm diameter. Intended for ventilation and HVAC systems, this metal fitting provides a gradual reduction in cross‑section to preserve airflow characteristics and minimise pressure loss and noise caused by abrupt changes in duct size.
Advantages
The reducer delivers a reliable mechanical connection between two common duct diameters while maintaining a compact profile that fits into constrained spaces. Its smooth internal transition reduces turbulence and helps preserve system efficiency. The product is compatible with standard round ducting and is suitable for both retrofit and new‑build installations in residential and commercial settings.
Suitable for
 Adapting existing ventilation ducts from Ø150 mm to Ø125 mm
 Connecting fans, silencers or terminal devices that require Ø125 mm inlet/outlet
 Residential HVAC systems, kitchens, bathrooms and utility rooms
 Commercial ventilation runs where size reduction is needed for branch lines
Key specifications
 Material: corrosion‑resistant metal suitable for ventilation ducts
 Shape: round reducer with concentric transition
 Connection diameters: inlet Ø150 mm, outlet Ø125 mm
 Finish: smooth internal surface to reduce airflow resistance
 Application: designed for low‑pressure air distribution systems
How to use
Insert the larger end of the reducer into or over the Ø150 mm duct section and align the smaller end with the Ø125 mm duct. Secure both connections using appropriate duct clamps, sheet metal screws or sealant where required by the installation standards. Ensure joints are tight and supported to avoid stress on adjacent components and to maintain airtightness of the ventilation run.
Usage recommendations
Inspect mating ducts for burrs or deformation before fitting. Where possible, support the reducer close to the joint to prevent sagging and verify that the installation complies with local ventilation and fire safety regulations. For minimal noise and pressure loss, maintain smooth duct transitions and avoid multiple successive reductions in a single run.

## FAQ

### How much does the AWENTA KO150-29 round duct reducer Ø150→Ø125 mm 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 — 8 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 AWENTA 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 AWENTA 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/11947112/67390614_large.webp