# TFA WeatherHub 31.4001.02 Wireless Environmental Sensor for Temperature Measurement Wi-Fi Battery AAA 1.5 V

**URL:** https://aio.lv/en/product--tfa-31400102--12732669
**Data updated:** 2026-10-19 04:10 (EEST)
**Category:** Other goods
**Manufacturer:** TFA
**Manufacturer code:** 31.4001.02
**EAN:** 4009816027160
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 58.49 €
**Prices and availability valid until:** 2026-12-01 23:59
**Price without VAT (21%):** 48.34 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-31400102--12732669

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.11.2026 | free |
| Pickup points | 20.11.2026 | 1.99 EUR |
| Courier delivery to door | 20.11.2026 | 4.99 EUR |

## Summary description

TFA WeatherHub wireless environmental sensor for temperature measurement with Wi-Fi connectivity. Powered by AAA batteries at 1.5 V. Dimensions: 40 x 28 x 104 mm.

## Long description

The TFA WeatherHub 31.4001.02 wireless environmental sensor is designed for accurate temperature measurement with convenient Wi-Fi connectivity. This device allows you to monitor climate data around your home and garden directly through your smartphone using the free WeatherHub application. As part of the SmartHome system, the sensor transmits measured values wirelessly to a gateway module, ensuring you stay informed about your environmental conditions at any time.
Advantages
This environmental sensor offers seamless integration into the WeatherHub SmartHome system, enabling easy mobile climate and home monitoring. It features wireless transmission of temperature data and allows users to retrieve current readings as well as historical values for up to 90 days. The system supports customizable alert limits with push notifications in case of an alarm. Installation is straightforward and quick, and the starter setup can be expanded with up to 50 additional sensors to cover multiple areas.
Suitable for
Monitoring indoor temperatures in living spaces or basements
Tracking outdoor temperatures in gardens or on balconies
Remote climate observation via smartphone
Expanding home automation with multiple environmental sensors
When it may not be suitable
This device may not be suitable for users who require continuous local data readouts without an internet gateway or smartphone application. It is also not designed for industrial processes that demand specialized hardwired monitoring equipment.
Key specifications
Wireless temperature measurement
Wi-Fi connectivity
Battery powered by AAA 1.5 V batteries
Dimensions of 40 x 28 x 104 mm
Compatible with the WeatherHub SmartHome app
How to use
To begin using the sensor, connect the WeatherHub gateway to your network using the provided LAN cable and power plug. Install the free WeatherHub application on your smartphone. Insert the AAA batteries into the wireless temperature sensor and place the unit in your desired indoor or outdoor location. The sensor will wirelessly transmit temperature readings to the gateway, allowing you to view current data and set up push notification alert limits through the mobile app.
What to consider before purchase
Requires an active internet connection and gateway for data transmission
Designed to work specifically with the WeatherHub mobile application
Powered by standard AAA batteries which will require periodic replacement
Starter set includes the core components and one temperature transmitter, with expansion options available separately
Ensure the sensor is placed within effective wireless range of the gateway and protect it from direct exposure to severe weather elements if installed outdoors. Regularly check battery levels to maintain uninterrupted data transmission.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.383 kg |
| Battery type | AAA |
| Wireless technology | Wi-Fi |
| Height | 104 mm |
| Width | 40 mm |
| Depth | 28 mm |
| Connectivity technology | Wireless |
| Product colour | White |
| Maximum operating distance | 100 m |
| Compatible products | TFA-Dostmann WeatherHub |
| Number of devices supported | 50 |
| Manual | Yes |
| Battery voltage | 1.5 V |
| Housing material | Plastic |
| Temperature measurement range | -30 - 60 |
| Power source type | Battery |
| Built-in display | No |
| Frequency | 868 MHz |
| Adapter included | Yes |
| Measuring environmental conditions | Temperature |

## FAQ

### How much does the TFA WeatherHub 31.4001.02 Wireless Temperature Sensor cost, and is it available for purchase?

The price is 58.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 16.11.2026 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 TFA 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 TFA 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

### Where can I download the instructions for TFA WeatherHub 31.4001.02 Wireless Temperature Sensor?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12732669/70622721_large.webp