# Thermobox Silverline 4043064 ventilation duct accessory Black 14.8 cm

**URL:** https://aio.lv/en/product--naber-4043064--4485106
**Data updated:** 2026-01-13 21:23 (EET)
**Category:** Ventilation Filters
**Manufacturer:** Naber
**Manufacturer code:** 4043064
**EAN:** 4027801170165
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 88.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 73.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--naber-4043064--4485106

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.89 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The Silverline 4043064 Thermobox is a ventilation duct accessory designed for efficient airflow management. With a sleek black finish and an input diameter of 14.8 cm, it ensures compatibility with various ventilation systems. This product enhances the performance of your ventilation setup by providing optimal thermal insulation and airflow control.

## Long description

The Thermobox Silverline 4043064 is a ventilation duct accessory engineered to improve airflow management and thermal performance in ventilation systems. Finished in black, this component features an input diameter of 14.8 cm and is intended to integrate with compatible circular ducting. The design focuses on controlling airflow paths while reducing heat transfer between connected duct sections, helping ventilation installations maintain consistent performance and reduce energy losses.
Advantages
The Thermobox provides stable airflow regulation through a precisely sized inlet and a compact form factor that fits standard circular ducts with a 14.8 cm diameter. The black finish offers a neutral visual appearance suitable for exposed or semi-exposed installations. Constructed for thermal insulation and airflow continuity, the accessory minimizes turbulent zones and helps preserve system efficiency. Its compatibility with a range of ventilation components makes it a practical choice for both retrofit and new installations.
Suitable for
 Residential mechanical ventilation systems with 14.8 cm circular duct connections
 Kitchen extractor and range hood ducting requiring thermal and airflow control
 Bathroom ventilation where compact duct accessories are needed
 Retrofit projects to improve airflow balance and reduce heat loss
Key specifications
 Color: black
 Input diameter: 14.8 cm
 Function: airflow management and thermal insulation for duct connections
 Form factor: circular duct accessory compatible with standard round ducting
How to use
Install the Thermobox inline with existing circular ductwork by connecting the 14.8 cm inlet to the corresponding duct section. Ensure a secure fit using appropriate clamps or fastening methods for your system to prevent air leaks. Position the unit so airflow follows the intended path of the ventilation layout; check for correct orientation if the installation requires directional flow. After mounting, inspect joints and seals and test the system for consistent airflow and minimal leakage.
Usage recommendations
For best performance, confirm compatibility with the ventilation system dimensions and use suitable sealing methods at joints. Regularly inspect connections for wear or loosened clamps, and clean or service the ventilation network according to the system manufacturer's maintenance schedule to preserve airflow efficiency.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Black |
| Input diameter | 148 mm |
| Product type | Thermobox |
| Quantity per pack | 1 pc(s) |
| Output diameter | 148 mm |

## FAQ

### How much does the Thermobox Silverline 4043064 cost, and is it available for purchase?

The price is 88.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 03.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Thermobox Silverline 4043064 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 Naber 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 Naber 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/4485106/64309421_large.webp