# Check valve ARCO 191204 mushroom-type anti-scale, 3/4" female x 3/4" female

**URL:** https://aio.lv/en/product--arco-191204--11835875
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Sinks & Sink Accessories
**Manufacturer:** ARCO
**Manufacturer code:** 191204
**EAN:** 8428519077498
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 30.16 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--arco-191204--11835875

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

ARCO 191204 is a mushroom-type check valve with anti-scale design, featuring 3/4" female to 3/4" female threaded connections. It prevents backflow in plumbing systems and reduces scale buildup on the internal closure mechanism. Suitable for domestic and commercial water installations where backflow prevention and improved durability against mineral deposits are required.

## Long description

ARCO 191204 mushroom-type anti-scale check valve with 3/4" female x 3/4" female threaded connections is designed to prevent backflow in water installations while reducing mineral deposit accumulation on the internal closure components. The valve uses a mushroom-style sealing element that provides reliable one-way flow control and a compact footprint suitable for inline installation in domestic and commercial plumbing circuits. Constructed for compatibility with standard 3/4" female threaded pipe fittings, it is intended for potable water systems and typical cold and hot water applications where protection against reverse flow is required.
Advantages
The mushroom-type closure minimizes turbulence and contact surfaces where scale can form, extending service intervals and maintaining a consistent sealing performance. Its anti-scale design reduces the need for frequent cleaning in hard water conditions and helps preserve valve operation over time. Threaded female-to-female connections allow straightforward replacement or addition into existing pipe runs without special adapters, and the compact form factor supports installation in confined spaces.
Suitable for
Domestic potable water lines requiring backflow prevention
Commercial or light industrial water distribution systems
Applications with moderate water hardness where reduced scale buildup is beneficial
Inline installation in horizontal or vertical piping with standard 3/4" female fittings
Key specifications
Connection type: 3/4" female threaded on both ends
Valve design: mushroom-style check mechanism with anti-scale features
Function: one-way (non-return) valve to prevent backflow
Intended medium: potable water; suitable for cold and hot water systems
Installation position: suitable for horizontal or vertical lines as specified by system requirements
How to use
Install the check valve inline between two 3/4" male-threaded pipe ends or compatible fittings, ensuring the valve orientation matches the flow direction marked on the body. Use appropriate thread sealant or tape on male threads to prevent leaks, and hand-tighten followed by a wrench turn as recommended for the pipe material. After installation, pressurize the system and inspect joints for leaks; verify correct one-way operation by checking downstream pressurization and absence of reverse flow. If system water contains significant suspended solids, consider upstream filtration to protect the valve seating surfaces.
Usage recommendations
To maintain reliable operation, periodically inspect the valve for signs of scale or debris build-up and clean or replace as needed. In regions with very hard water, an upstream water softening or filtration solution will extend the valve's service life. Do not use the valve in systems with aggressive chemicals or media outside the intended potable water applications.

## FAQ

### How much does the ARCO 191204 mushroom check valve 3/4"x3/4" cost, and is it available for purchase?

The price is 36.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 313 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 15.07.2026 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 ARCO 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 ARCO 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/11835875/67235612_large.webp