# Three-way zone valve Afriso AZV 643 GZ 1" (MPN 1664300)

**URL:** https://aio.lv/en/product--afriso-1664300--11836326
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Heating Radiators
**Manufacturer:** Afriso
**Manufacturer code:** 1664300
**EAN:** 5907718971736
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 117.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 97.10 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--afriso-1664300--11836326

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Afriso AZV 643 GZ is a three-way zone valve with a 1" connection size, designed for controlling flow in heating and HVAC zone applications. Manufactured by Afriso (MPN 1664300, EAN 5907718971736), it enables diversion or mixing of fluids within distribution systems. Suitable for use in boilers, radiators, and hydronic circuits where reliable zone control and flow routing are required.

## Long description

Afriso AZV 643 GZ three-way zone valve with a 1" connection is a mechanical valve for controlling fluid routing in heating and HVAC zone systems. It is designed to provide reliable diversion or mixing of hot or chilled water within distribution circuits. The valve body and internal components are built to integrate with hydronic systems such as boiler loops, radiators, and fan coil units, where precise routing of flow between two outlets or from two inlets is required.
Advantages
The three-way design allows either mixing or diverting modes of operation to balance temperatures and flows in separate zones. A 1" connection size ensures compatibility with standard piping in residential and light commercial installations. The valve provides stable shutoff and smooth changeover between ports, reducing pressure disturbance in the circuit. Its construction supports typical hydronic media and operating temperatures used in central heating and HVAC systems.
Suitable for
Diverting heated water from a boiler to different circuits
Mixing return and supply flows to control supply temperature
Zone control for radiators, underfloor heating, and fan coil units
Hydronic balancing in small commercial and residential systems
Key specifications
Function: three-way mixing/diverting valve
Connection size: 1" (inch) threaded connections
Intended media: water and typical hydronic heat transfer fluids
Application: heating and HVAC zone control
Mounting: inline installation within distribution piping
How to use
Install the valve in the piping run in the orientation specified by system design, connecting the 1" threaded ports to the supply, return and zone lines as required for mixing or diverting operation. Commission the valve together with the actuator and control system: ensure correct actuator stroke, configure control signals and verify leak-tight connections. Adjust system controls and thermostats to achieve the desired temperature setpoints and confirm proper flow routing through the valve under operating conditions.
Usage recommendations
Use compatible actuators and controls appropriate for three-way operation, and follow local standards for hydronic installations. Flush the piping before installation to prevent debris from entering the valve. Periodically check for leaks and proper actuator response as part of routine system maintenance.

## FAQ

### How much does the Three-way zone valve Afriso AZV 643 GZ 1" cost, and is it available for purchase?

The price is 117.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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 09.07.2026 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 Three-way zone valve Afriso AZV 643 GZ 1" 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 Afriso 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 Afriso 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

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