# kfa² connection hose 1/2" male – 3/4" male (model 645-050-34)

**URL:** https://aio.lv/en/product--kfa-645-050-34--11855448
**Data updated:** 2026-03-09 17:31 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** kfa²
**Manufacturer code:** 645-050-34
**EAN:** 5907571640503
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kfa-645-050-34--11855448

## 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 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Connection hose by kfa², model 645-050-34, with 1/2" male to 3/4" male threaded ends. Designed for plumbing connections where differing thread sizes must be joined. Suitable for water supply installations, repairs, or replacements in household and commercial systems. Provides a flexible link between fixtures, valves or pipes of the specified thread dimensions.

## Long description

The kfa² connection hose 1/2" male – 3/4" male (model 645-050-34) is a flexible plumbing link designed to join components with different thread sizes. It provides a water-tight connection between 1/2" male and 3/4" male threaded fittings, making it suitable for adapting fixtures, valves or pipework in domestic and light commercial water supply systems. The hose is intended for typical potable water installations and routine repair or replacement tasks where a reliable transition between the specified thread formats is required.
Advantages
The hose delivers a secure, adaptable connection between mismatched thread sizes without the need for complex adapters. Its flexibility simplifies installation in confined spaces and around bends. Constructed to meet plumbing use, it reduces the risk of leaks when installed correctly and provides a practical solution for quick repairs or modifications to existing water supply lines.
Suitable for
 Connecting fixtures with 1/2" male to fittings with 3/4" male threads
 Household water supply repairs and replacements
 Plumbing installations in kitchens, bathrooms and utility areas
 Temporary or permanent connections in light commercial systems
Key specifications
 Threaded ends: 1/2" male to 3/4" male
 Application: potable water supply and general plumbing use
 Flexible hose design for ease of routing in confined spaces
 Intended use: joining components with differing thread sizes
How to use
Ensure both mating threads are clean and free of debris before installation. Hand-start the hose on each threaded fitting to avoid cross-threading, then tighten to a snug fit using appropriate tools if necessary; avoid excessive torque. Check for any manufacturer guidance on sealing methods (such as PTFE tape) appropriate for the system in use. After installation, pressurize the system and inspect all joints carefully for leaks, making minor adjustments if required.
Usage recommendations
Use the connection hose only within its intended application for potable water systems and compatible temperatures and pressures. Replace the hose if signs of wear, damage or persistent leakage appear. When uncertain about compatibility with specific fixtures or system pressures, consult a qualified plumber.

## FAQ

### How much does the kfa² connection hose 1/2"–3/4" 645-050-34 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 — 24 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. 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 kfa² 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 kfa² 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/11855448/67253767_large.webp