# Three-way thermostatic mixing valve GIACOMINI R157A D32 60°C Kvs9.0

**URL:** https://aio.lv/en/product--giacomini-r157ay063--5053634
**Data updated:** 2026-04-27 22:26 (EEST)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** GIACOMINI
**Manufacturer code:** R157AY063
**EAN:** 8009902291167
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 105.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 87.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--giacomini-r157ay063--5053634

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

GIACOMINI R157A is a three-way thermostatic mixing valve model D32 with a 60°C temperature setting and Kvs 9.0 flow coefficient. Designed to blend hot and cold water to maintain a stable outlet temperature, it is suitable for domestic hot water systems, showers, heating circuits and temperature control applications requiring reliable thermostatic regulation.

## Long description

GIACOMINI R157A D32 is a three-way thermostatic mixing valve designed to blend hot and cold water and keep the outlet temperature stable at 60°C. The valve features a D32 (32 mm) body size and a Kvs 9.0 flow coefficient, providing medium flow capacity suitable for domestic hot water systems, shower installations and heating circuits where a fixed thermostatic setpoint is required. Built to integrate with residential and light commercial plumbing, the valve controls mixed water temperature automatically without the need for electrical power.
Advantages
The thermostatic mechanism responds to temperature changes to maintain a consistent outlet temperature at the preset 60°C. With a compact D32 body and Kvs 9.0 rating, this valve balances flow capacity and pressure drop to serve typical household or small commercial demands. Its three-way configuration allows diversion or mixing of flows, enabling both temperature control and simple circuit switching within heating or DHW systems. The design minimizes manual adjustment and reduces the risk of scalding by stabilizing delivery temperature.
Suitable for (tasks / use cases)
Domestic hot water systems for apartments and houses
Shower temperature control and anti-scald protection
Secondary circuits in heating systems requiring thermostatic regulation
Small commercial washrooms or service points where stable mixed water is needed
When it may not be suitable
This thermostatic mixing valve is not intended for applications where outlet temperatures other than the factory setpoint (60°C) are required without model-specific adjustment options. High-demand industrial processes with very large flow rates or extreme pressure conditions may exceed the capacity indicated by Kvs 9.0 and D32 body size. For systems that require electronic control, remote setpoint adjustment, or integration with building automation, a motorized or sensor-equipped mixing solution should be considered instead.
Key specifications
Valve type: three-way thermostatic mixing valve
Nominal body size: D32 (32 mm)
Preset outlet temperature: 60°C
Flow coefficient (Kvs): 9.0
Function: mixing/diverting of hot and cold flows to maintain thermostatic control
Installation orientation: inline plumbing integration (consult installation manual for specifics)
How to use
Install the valve in the supply line according to piping flow direction markings and local plumbing codes, making sure hot and cold inlets are connected to the correct ports. The valve maintains the outlet at the preset temperature automatically; after installation, flush the lines to remove debris and verify stable outlet temperature under expected flow conditions. Regularly check for leaks and follow the manufacturer’s maintenance intervals to ensure reliable thermostatic operation. If balancing or commissioning is required, adjust upstream flow controls and strainers as needed to obtain consistent performance.
What to consider before purchase
Ensure the D32 body size and Kvs 9.0 capacity match your system’s flow and pressure requirements
Confirm that a fixed 60°C preset outlet temperature is suitable for your application or that you have an alternative model if a different setpoint is needed
Check compatibility with existing pipe connections and mounting space in your plumbing layout
Assess whether you require electronic control, remote adjustment, or integration with building automation systems
Usage recommendations
For reliable operation, install a suitable strainer or filter upstream to protect the thermostatic element from debris, perform periodic visual inspections for leaks, and verify outlet temperature during commissioning and after any system changes. In multi-point systems, combine the valve with appropriate balancing valves to ensure even distribution of flow.

## FAQ

### How much does the GIACOMINI R157A three-way thermostatic valve D32 cost, and is it available for purchase?

The price is 105.99 € (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 15.07.2026 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 GIACOMINI R157A three-way thermostatic valve D32 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 GIACOMINI 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 GIACOMINI 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/5053634/51415279_large.webp