# MT 4115020 Light Check Valve 3/4 inch

**URL:** https://aio.lv/en/product--mt-4115020--4907428
**Data updated:** 2026-06-23 14:55 (EEST)
**Category:** Other goods
**Manufacturer:** MT
**Manufacturer code:** 4115020
**EAN:** 8435319114674
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mt-4115020--4907428

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The MT 4115020 Light check valve is a reliable 3/4-inch plumbing component designed to allow fluid flow in one direction while preventing backflow. This lightweight valve is suitable for various water supply and heating systems, ensuring efficient operation and protection of equipment. Its durable construction provides long-lasting performance in residential and commercial piping installations.

## Long description

The MT 4115020 Light check valve is a precision-engineered plumbing component designed for 3/4-inch pipe systems. This device serves as a critical one-way flow control mechanism, allowing water or other compatible fluids to move in a single direction while automatically preventing backflow. Its lightweight yet robust design makes it an ideal solution for maintaining pressure and protecting sensitive equipment within residential and commercial plumbing networks.
Advantages
The primary benefit of this check valve is its ability to ensure unidirectional flow, which prevents system contamination and protects pumps or heating units from reverse pressure damage. Its lightweight construction simplifies the installation process, reducing the physical strain on piping connections. Furthermore, the high-quality materials used in its manufacturing ensure reliable performance and long-term durability, minimizing the need for frequent maintenance or replacement in standard water supply and heating applications.
Suitable for
Residential water supply systems
Heating and cooling installations
Preventing backflow in domestic piping
Protecting pumps from reverse flow
When it may not be suitable
This valve is not intended for use in high-pressure industrial steam systems or environments involving highly corrosive chemicals that may degrade the internal sealing materials. It should also not be installed in applications where the flow rate exceeds the technical capacity of a 3/4-inch connection.
Key specifications
Connection size: 3/4 inch
Function: One-way flow control
Material: Durable plumbing-grade construction
Application: Water and heating systems
How to use
Installation should be performed by a qualified professional to ensure a secure, leak-free connection. The valve must be installed in the correct orientation, following the flow direction arrow marked on the valve body. Ensure that the pipe threads are properly cleaned and sealed using appropriate plumbing tape or sealant before tightening the valve onto the pipe. Once installed, verify the system for leaks under normal operating pressure.
What to consider before purchase
Verify that your pipe diameter is exactly 3/4 inch
Check the compatibility of the valve material with your specific fluid type
Ensure there is sufficient space in the piping layout for the valve body
Usage recommendations
Regularly inspect the valve during routine system maintenance to ensure there is no debris buildup that could interfere with the internal check mechanism. If the system remains unused for extended periods, verify the valve's functionality before returning the installation to full operation.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.14 kg |

## FAQ

### How much does the MT 4115020 Light Check Valve 3/4 inch 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 — 373 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 02.07.2026 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 MT 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 MT 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/4907428/30576390_large.webp