# Vacuum cleaner suction hose replacement Invest model 400/321 (replacement for WO-6022)

**URL:** https://aio.lv/en/product--invest-kat00329--11864151
**Data updated:** 2026-03-09 17:41 (EET)
**Category:** Vacuum Cleaner Consumables
**Manufacturer:** Invest
**Manufacturer code:** KAT00329
**EAN:** 5905388026046
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Replacement suction hose for vacuum cleaners by Invest, compatible with model 400/321 and listed as a substitute for WO-6022. Suitable for restoring suction connection between vacuum body and attachments, it is intended for general household cleaning tasks and replacing damaged or worn original hoses. Designed to fit compatible Invest fittings and standard accessory couplings.

## Long description

This replacement suction hose is designed for Invest vacuum cleaners compatible with model 400/321 and serves as an equivalent option to WO-6022. It restores the flexible connection between the vacuum body and accessories, enabling suction performance for routine household cleaning. The hose is intended to fit Invest-style fittings and common accessory couplings used with compatible vacuum cleaner models.
Advantages
The hose offers a direct replacement for worn, cracked or leaking original hoses, restoring airflow and suction efficiency without the need for a full appliance repair. Constructed to match standard accessory coupling dimensions, it allows quick reconnection to existing nozzles and extension tubes. The flexible construction improves maneuverability during cleaning and reduces the risk of kinks that can block airflow.
Suitable for
 General household floor and carpet cleaning
 Cleaning upholstery, curtains and staircases
 Replacing damaged or leaking vacuum hoses
 Restoring suction connection for Invest 400/321 compatible accessories
Key specifications
 Compatible with Invest 400/321 style fittings and standard accessory couplings
 Flexible corrugated hose construction for improved maneuverability
 Designed for restoring suction connection between vacuum body and attachments
 Suitable for general household cleaning tasks
How to use
Detach the damaged hose from the vacuum body and accessories by releasing any locking collars or clips, then align the replacement hose ends with the vacuum inlet and accessory coupling. Push firmly until the hose seats on both ends and any locking mechanism engages. Test the connection by turning the vacuum on and checking for consistent airflow; if necessary, reseat the ends or secure the locking collars to eliminate air leaks.
Usage recommendations
Inspect hose connections periodically for wear or cracks and replace the hose if airflow decreases or visible damage appears. Avoid excessive bending near the ends and prevent sharp objects from contacting the hose surface. For best performance, use the hose with accessories and fittings compatible with Invest 400/321 style couplings and keep the hose clean from debris that may obstruct airflow.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 Invest 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 Invest 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/11864151/67262934_large.webp