# 3-way mixing valve FERRO K5ZMV33 1 1/4" female thread for heating systems

**URL:** https://aio.lv/en/product--ferro-k5zmv33--11836195
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Heating Radiators
**Manufacturer:** FERRO
**Manufacturer code:** K5ZMV33
**EAN:** 5903738245840
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 39.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 32.64 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ferro-k5zmv33--11836195

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

FERRO 3-way mixing valve model K5ZMV33 with 1 1/4" female (internal) thread designed for use in heating and hot water systems. The valve blends flows from two inlets to a single outlet to control temperature and return flow. Suitable for thermostatic or motorized actuator integration and installation in circulation circuits, boiler or radiator systems.

## Long description

The FERRO 3-way mixing valve K5ZMV33 with 1 1/4" female thread is designed for integration into heating and hot water circulation systems. It blends two inlet flows into a single outlet to regulate output temperature and manage return flow to heat sources or radiators. The valve body and connections are sized for standard plumbing assemblies and allow connection of thermostatic or motorized actuators for automated control. Intended for installation in boiler circuits, mixing loops and radiator return lines, the unit supports routine temperature control tasks in residential and light commercial heating systems.
Advantages
This mixing valve provides reliable hydraulic mixing of supply and return streams to achieve stable outlet temperatures. Its female 1 1/4" thread enables direct attachment to standard threaded pipes or fittings without additional adaptors in many installations. The design allows fitment of actuators for precise, automated control and is compatible with common heating-system components, simplifying replacement or retrofit. Constructed for continuous operation in circulation systems, it supports improved temperature regulation and reduced thermal shocks to boilers and radiators.
Suitable for
Mixing and temperature control in boiler and circulation circuits
Integration with thermostatic or motorized actuators
Hydronic radiator and underfloor heating return lines
Retrofit or replacement in domestic and light commercial systems
Key specifications
Connection type: female thread 1 1/4" (internal)
Function: 3-way mixing valve for blending two inlets to one outlet
Application: heating and hot water circulation systems
Compatibility: suitable for thermostatic or motorized actuator mounting
Installation location: mixing loops, boiler return lines, radiator circuits
How to use
Install the valve in the circulation circuit according to system design, ensuring the correct orientation of inlets and outlet. Connect the 1 1/4" female thread to matching threaded piping or fittings, using appropriate sealing material and observing recommended torque levels. Fit a compatible thermostatic or motorized actuator if automated temperature regulation is required. Commission the system by gradually introducing fluid, checking for leaks, and adjusting actuator or manual controls to achieve the desired mixed outlet temperature.
Usage recommendations
Ensure compatibility of actuator mounting and control signals before commissioning. Use appropriate pipe-sealing materials on threaded connections and follow local plumbing codes. Periodically inspect joints and actuator coupling for wear or leaks, and perform routine system maintenance to prevent sediment build-up which can affect valve performance.

## FAQ

### How much does the 3-way mixing valve FERRO K5ZMV33 1 1/4" cost, and is it available for purchase?

The price is 39.49 € (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 07.07.2026 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 FERRO 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 FERRO 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/11836195/67235884_large.webp