# Smart thermostat Avatto WT100 Wi‑Fi 3A for water heater, Wi‑Fi control, 3 A output

**URL:** https://aio.lv/en/product--avatto-wt100-wh-3a--7395575
**Data updated:** 2025-12-31 08:36 (EET)
**Category:** Smart Sensors
**Manufacturer:** Avatto
**Manufacturer code:** WT100-WH-3A
**EAN:** 6976037360049
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 35.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 29.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--avatto-wt100-wh-3a--7395575

## 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 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Avatto WT100 is a smart thermostat designed for water heaters, featuring Wi‑Fi connectivity and a 3 A switching output. It enables remote temperature control and scheduling via a compatible app, automates heating cycles, and helps maintain desired water temperature while reducing energy waste. Suitable for domestic water heaters and simple installation.

## Long description

Avatto WT100 smart thermostat for water heaters with Wi‑Fi and 3 A output. The WT100 is designed to control water heating systems in homes and small offices, providing precise temperature regulation via an NTC sensor with 1°C accuracy. It switches the heater actuator on or off and connects to Wi‑Fi for remote control through Tuya or Smart Life platforms and is compatible with voice assistants such as Amazon Alexa, Google Assistant and Yandex Alice.
Advantages
The thermostat offers programmable weekly schedules (5+2, 6+1 or 7 days) with up to 6 time periods per day, manual and automatic operation modes, and a built‑in LCD that shows current mode, set temperature, network status and time. It supports touchscreen control, app control, and voice control. Additional features include a child lock, grouping of multiple devices and the ability to share access with other household members.
Suitable for
Domestic electric water heaters
Small office water heating systems
Simple on/off actuator control for hot water supply
Remote scheduling and temperature management via smartphone or voice assistant
Key specifications
Manufacturer: Avatto
Model: WT100-WH-3A
Voltage: AC 95–220 V, 50/60 Hz
Maximum load: 3 A
Sensor: NTC, accuracy 1°C
Temperature control range: 5°C–60°C
Displayed temperature range: 0°C–51°C
Operating temperature: -5°C–50°C
Display: LCD (adjustable brightness)
Power consumption: \<1 W
Dimensions: 86 x 86 x 40 mm
Connectivity: Wi‑Fi; platforms: Tuya, Smart Life
Voice assistants: Amazon Alexa, Google Home, Yandex Alice
How to use
Mount the thermostat in place of the existing controller and connect it to the electric actuator or heater following the included wiring instructions. Power the device from AC 95–220 V. Configure Wi‑Fi and link the device in the Tuya or Smart Life app on your smartphone to set schedules, temperature setpoints and operating modes. You can also control the thermostat via its touchscreen or by voice commands after enabling the chosen voice assistant integration.
Usage recommendations
For reliable operation, install the thermostat in a dry, well‑ventilated location away from direct heat sources. Use the app schedules to optimise energy consumption and enable the child lock if the device is accessible to children. Do not exceed the 3 A maximum load rating; for higher power heaters use an appropriate external relay or contactor.

## FAQ

### How much does the Avatto WT100 Wi‑Fi 3A smart thermostat cost, and is it available for purchase?

The price is 35.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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. 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 Avatto 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 Avatto 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/7395575/51210183_large.webp