# FF RT2 Temperature Sensor for RT-823 Thermostat

**URL:** https://aio.lv/en/product--ff-sonda-rt2--12469155
**Data updated:** 2026-05-18 09:41 (EEST)
**Category:** Smart Sensors
**Manufacturer:** FF
**Manufacturer code:** SONDA RT2
**EAN:** 5908312596080
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-07-08 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-sonda-rt2--12469155

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The FF RT2 is a dedicated temperature sensor designed for use with the F&F RT-823 temperature controller. This probe ensures accurate temperature monitoring and reliable data transmission to the regulator, enabling precise climate control in various residential or industrial applications. It is built for seamless integration with the RT-823 system to maintain optimal thermal conditions.

## Long description

The FF RT2 temperature sensor is a precision-engineered probe specifically designed for seamless integration with the F&F RT-823 temperature controller. This component serves as the essential link in your climate management system, providing continuous and accurate thermal data to ensure the regulator functions with maximum efficiency. Its robust construction allows for reliable performance in diverse environments, making it an indispensable part of maintaining stable temperature conditions in both residential and industrial settings.
Advantages
The primary benefit of the FF RT2 sensor is its perfect compatibility with the RT-823 thermostat, which eliminates the risk of data transmission errors or calibration issues. By utilizing this dedicated probe, users can achieve highly responsive climate control, ensuring that heating or cooling systems react promptly to environmental changes. The sensor is built to withstand standard operational conditions, offering long-term durability and consistent accuracy that helps in optimizing energy consumption and maintaining comfort levels.
Suitable for
Residential heating and cooling systems
Industrial temperature monitoring applications
Climate control in greenhouses or storage facilities
Integration with F&F RT-823 thermostat setups
When it may not be suitable
This sensor is specifically calibrated for the F&F RT-823 controller and may not provide accurate readings or function correctly if connected to thermostats from other manufacturers or different model series. It is not intended for use in highly corrosive environments or extreme industrial conditions that exceed the standard operating temperature range of the probe.
Key specifications
Compatibility: F&F RT-823 temperature controller
Function: Precise temperature monitoring and data transmission
Design: Dedicated probe for thermal regulation systems
Application: Indoor and controlled industrial environments
How to use
To use the FF RT2 sensor, ensure that the power supply to the RT-823 thermostat is disconnected before installation. Connect the sensor leads to the designated terminals on the controller according to the wiring diagram provided with your thermostat. Once securely connected, restore power and verify that the controller recognizes the sensor input. The device will then automatically begin monitoring the temperature and providing data to the regulator for automated climate management.
What to consider before purchase
Verify that your existing thermostat is the F&F RT-823 model
Check the required cable length for your specific installation site
Ensure the environment is within the operational limits of the sensor
Usage recommendations
For optimal accuracy, position the sensor away from direct heat sources, drafts, or areas with poor air circulation. Regularly inspect the connection points to ensure they remain secure and free from moisture or debris to maintain consistent performance.

## FAQ

### How much does the FF RT2 Temperature Sensor for RT-823 cost, and is it available for purchase?

The price is 18.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 33 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 01.07.2026 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 FF 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 FF 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/12469155/68771876_large.webp