# Legrand SUNO Floor Heating Thermostat, 10°C - 60°C, 16A, 230V, Black

**URL:** https://aio.lv/en/product--legrand-721437--9523691
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Home Automation
**Manufacturer:** Legrand
**Manufacturer code:** 721437
**EAN:** 3414972049719
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 74.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-721437--9523691

## 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 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Legrand SUNO floor heating thermostat is a reliable control device designed for precise temperature regulation between 10°C and 60°C. Featuring a 16A, 230V rating, this unit includes a single NO contact and an integrated LED indicator for status monitoring. Its sleek black design makes it suitable for modern interior installations, providing efficient thermal management for electric underfloor heating systems.

## Long description

The Legrand SUNO floor heating thermostat is a precision-engineered control device designed to manage electric underfloor heating systems effectively. Operating within a temperature range of 10°C to 60°C, this thermostat ensures consistent thermal comfort in residential and commercial spaces. Its robust construction supports a 16A, 230V load, making it a reliable choice for standard heating installations. The unit features a sleek black finish that integrates seamlessly into modern interior designs, while the integrated LED indicator provides clear visual feedback on the operational status of the heating system.
Advantages
This thermostat offers exceptional reliability and ease of use for managing indoor climate control. The wide temperature adjustment range allows for versatile heating configurations tailored to specific flooring types and user preferences. Its high-capacity 16A rating ensures compatibility with most standard electric heating mats and cables. The inclusion of a single NO contact simplifies the electrical installation process, while the minimalist black aesthetic ensures the device complements contemporary decor without being intrusive.
Suitable for
Electric underfloor heating systems
Residential living areas and bedrooms
Commercial office spaces
Renovation projects requiring modern control interfaces
When it may not be suitable
This device is specifically designed for electric underfloor heating systems and is not compatible with water-based (hydronic) heating systems. It should not be used in environments with high humidity or outdoor locations unless protected by a suitable enclosure.
Key specifications
Temperature range: 10°C to 60°C
Rated current: 16A
Voltage: 230V
Contact type: Single NO contact
Indicator: Integrated LED status light
Color: Black
How to use
The thermostat should be installed by a qualified electrician in accordance with local electrical regulations. Once installed, the temperature is adjusted using the integrated dial to the desired setting within the 10°C to 60°C range. The LED indicator will illuminate to signal when the heating system is actively drawing power. Regular monitoring of the dial position allows for precise control over the floor temperature.
What to consider before purchase
Verify that your heating system is electric and within the 16A load limit
Ensure the installation location allows for accurate temperature sensing
Check compatibility with existing wall box dimensions
Usage recommendations
For optimal energy efficiency, set the thermostat to the lowest comfortable temperature and avoid frequent large adjustments. Ensure the floor sensor is correctly positioned during installation to prevent overheating of sensitive floor materials.

## FAQ

### How much does the Legrand SUNO Floor Heating Thermostat 721437 cost, and is it available for purchase?

The price is 89.99 € (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 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, Installment. All transactions are 100% secure and encrypted.

### Can Legrand SUNO Floor Heating Thermostat 721437 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 Legrand 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 Legrand 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/9523691/59810663_large.webp