# Regulating Through Valve Herz STORMAX-GM-BS DN50 (DWZ) – DN50 flow control valve

**URL:** https://aio.lv/en/product--herz-1421706--11835910
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Heating Radiators
**Manufacturer:** Herz
**Manufacturer code:** 1421706
**EAN:** 9004174416903
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 104.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 86.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--herz-1421706--11835910

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Herz STORMAX-GM-BS DN50 (DWZ) is a regulating through valve designed for hydraulic balancing and flow control in heating and cooling systems. Specified as DN50, it provides precise flow regulation and integration with system piping. Suitable for commercial and residential installations where accurate flow control and system balancing are required.

## Long description

Herz STORMAX-GM-BS DN50 (DWZ) is a regulating through valve for hydraulic balancing and flow control in heating and cooling installations. Designed for DN50 piping, the valve provides precise adjustment of flow rates and easy integration into existing system layouts. Its construction supports stable regulation across a range of operating conditions, making it suitable for both commercial and residential systems where accurate balancing is required.
Advantages
The valve offers accurate flow control and repeatable adjustment, reducing the need for manual rebalancing. Its through-valve design simplifies installation into DN50 pipe runs and minimizes pressure losses compared with more complex assemblies. Built for compatibility with standard piping and actuators, the valve enables consistent hydraulic balancing and helps maintain designed system performance over time.
Suitable for
 Hydraulic balancing of heating systems in residential and commercial buildings
 Flow control in chilled water or heating circuits
 Integration into boiler, heat pump, and AHU loops requiring DN50 connections
 Replacement or upgrade of DN50 inline control valves
Key specifications
 Nominal diameter: DN50
 Function: regulating through valve for flow control and hydraulic balancing
 Connection type: designed for inline installation in DN50 piping
 Application: suitable for heating and cooling circuits
 Operational focus: precise flow regulation and reduced pressure loss
How to use
Install the valve inline in the DN50 section of the piping according to the hydraulic scheme and local installation standards. Use appropriate sealing materials and ensure correct orientation and accessibility for adjustment. Adjust the valve using the integrated control mechanism or compatible actuator to set the required flow rate; verify balancing with system measurement tools and fine-tune as needed. Regular inspection and occasional recalibration ensure continued performance.
Usage recommendations
For optimal results, commission the system after installation using flow measurement equipment to confirm setpoints. Use compatible actuators and follow manufacturer torque and mounting guidelines to avoid damage. Periodic inspection during scheduled maintenance is advised to detect wear or deposits that may affect regulation.

## FAQ

### How much does the Regulating Through Valve Herz STORMAX-GM-BS DN50 cost, and is it available for purchase?

The price is 104.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 13.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Regulating Through Valve Herz STORMAX-GM-BS DN50 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Herz 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 Herz 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/11835910/68519958_large.webp