# Check valve kit Greentek RZ004, non-return valve, compact 150 mm for fluid systems

**URL:** https://aio.lv/en/product--greentek-rz004--11339357
**Data updated:** 2026-01-14 15:36 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** Greentek
**Manufacturer code:** RZ004
**EAN:** 0900038600015
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--greentek-rz004--11339357

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Greentek RZ004 is a compact non-return (check) valve kit with a 150 mm valve length designed for fluid systems. It prevents backflow and protects pumps and piping, suitable for domestic and light industrial installations. The kit provides straightforward inline installation, reliable unidirectional flow control and helps maintain system integrity and performance.

## Long description

Greentek RZ004 is a compact non-return (check) valve with a 150 mm valve body length, designed for fluid systems to prevent backflow and protect pumps and piping. The valve kit is intended for inline installation in domestic and light industrial installations where reliable unidirectional flow control is required.
Advantages
The compact 150 mm design allows installation in confined spaces while maintaining effective backflow prevention. The kit format simplifies replacement and inline fitting. The valve provides reliable one-way flow control that helps protect pumps and piping from reverse flow and contributes to maintaining system integrity and performance.
Suitable for
Domestic water supply lines
Light industrial fluid circuits
Pump discharge and return lines
Inline retrofit or maintenance replacements
Key specifications
Valve type: non-return (check) valve
Valve length: 150 mm
Configuration: inline installation kit
Function: prevents backflow, allows unidirectional flow
Application: suitable for fluid systems in domestic and light industrial use
How to use
Install the Greentek RZ004 inline in the pipeline according to the system flow direction indicated on the valve body. Ensure pipe ends and connections are clean and compatible with the valve kit before tightening. Verify sealing and secure connections, then pressurize the system gradually while checking for leaks and correct unidirectional operation.
Usage recommendations
Use the valve in systems within the manufacturer’s specified operating conditions; avoid exposure to fluids or pressures outside recommended limits. Regularly inspect connections and valve operation during routine maintenance to ensure continued protection against backflow.

## FAQ

### How much does the Check valve kit Greentek RZ004 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 — 17 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 06.07.2026 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 Greentek 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 Greentek 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/11339357/65665731_large.webp