# kfa² connection hose for faucet long tailpiece 3/8" x M10 (model 641-135-86)

**URL:** https://aio.lv/en/product--kfa-641-135-86--11855520
**Data updated:** 2026-03-09 17:31 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** kfa²
**Manufacturer code:** 641-135-86
**EAN:** 5907571640268
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kfa-641-135-86--11855520

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Flexible connection hose by kfa² for connecting a faucet to the water supply. Provided with a long tailpiece and fittings sized 3/8" to M10 (model 641-135-86). Designed to provide a watertight link between faucet outlet and supply line, suitable for bathroom or kitchen mixer installations where a longer reach or specific thread conversion is required.

## Long description

The kfa² connection hose for faucet long tailpiece 3/8" x M10 (model 641-135-86) is a flexible supply hose designed to link a mixer tap outlet to the water supply. It features a long tailpiece and a 3/8" female fitting at one end with an M10 connector at the other, allowing connection where a greater reach or thread conversion is needed. The hose is intended for use in bathroom and kitchen installations to create a watertight connection between the faucet and the supply line.
Advantages
This flexible hose provides a reliable, leak-resistant connection thanks to its tailored fittings and long tailpiece, which ease installation in tight or recessed spaces. The combination of 3/8" and M10 connectors enables compatibility with a range of mixer tap outlets and supply fittings, reducing the need for additional adapters. Its flexibility allows for straightforward routing behind sinks and cabinets while maintaining water flow performance.
Suitable for
 Connecting bathroom mixer taps to existing water supply lines
 Installing kitchen mixer taps where a longer tailpiece or thread conversion is required
 Retrofit or replacement applications where access is limited or fittings differ
Key specifications
 Connector types: 3/8" at one end, M10 at the other
 Long tailpiece design for extended reach
 Flexible hose construction for easy routing
 Intended for potable water supply to faucets
 Suitable for bathroom and kitchen mixer installations
How to use
Shut off the water supply and drain any residual water before beginning work. Attach the 3/8" end to the supply line or the faucet outlet as appropriate, and connect the M10 end to the corresponding mating thread on the faucet or adapter. Tighten fittings by hand and finish with a suitable wrench, taking care not to overtighten. After installation, restore water supply and inspect all joints for leaks, tightening further if necessary.
Usage recommendations
Use compatible sealing washers where required and check thread direction and pitch to ensure correct engagement. Replace the hose if signs of wear, bulging, or persistent leaks appear. For installations with high water pressure or hard water, periodic inspection is advisable to maintain a secure, watertight connection.

## FAQ

### How much does the kfa² connection hose 3/8" x M10 641-135-86 cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 23 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 08.07.2026 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/11855520/67253833_large.webp