# FF CRT-04 Temperature Sensor Probe for Temperature Controllers

**URL:** https://aio.lv/en/product--ff-sonda-rt-4--10679489
**Data updated:** 2026-05-18 02:46 (EEST)
**Category:** Smart Sensors
**Manufacturer:** FF
**Manufacturer code:** SONDA RT-4
**EAN:** 5908312593263
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-sonda-rt-4--10679489

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The FF CRT-04 is a dedicated temperature sensor probe designed for use with compatible temperature controllers. This reliable component ensures accurate temperature monitoring and regulation in various industrial and domestic heating or cooling systems. It is built for durability and precise performance, making it an essential accessory for maintaining optimal thermal conditions in your equipment.

## Long description

The FF CRT-04 temperature sensor probe is a specialized component engineered for precise thermal monitoring when paired with compatible temperature controllers. This device serves as a critical link in heating and cooling systems, providing the accurate data necessary for maintaining stable environmental conditions in both industrial and residential settings. Its robust construction ensures consistent performance and longevity, even in demanding operational environments.
Advantages
The primary benefit of the FF CRT-04 is its high level of measurement accuracy, which allows for tight control over thermal processes. The probe is designed for seamless integration with compatible controllers, simplifying the setup process for users. Its durable build quality minimizes the risk of failure, providing a reliable solution for long-term temperature regulation tasks where consistency is paramount.
Suitable for
Industrial heating and cooling systems
Domestic climate control installations
Thermal monitoring in specialized equipment
Temperature regulation in HVAC applications
When it may not be suitable
This sensor is not intended for use with incompatible temperature controllers that do not support its specific electrical characteristics. It is also not suitable for direct immersion in highly corrosive chemicals or environments that exceed its specified temperature operating range.
Key specifications
Compatible with dedicated temperature controllers
Designed for accurate thermal sensing
Durable construction for industrial and domestic use
Reliable signal transmission for precise regulation
How to use
To use the FF CRT-04, connect the probe to the designated input terminals on your compatible temperature controller. Ensure that the connection is secure and that the wiring is protected from external interference. Once connected, position the sensor tip in the area where temperature monitoring is required, ensuring it is not obstructed by insulation or heat sources that could skew readings. Configure your controller settings to recognize the sensor input and calibrate as necessary according to the controller's manual.
What to consider before purchase
Verify compatibility with your existing temperature controller model
Check the required cable length for your specific installation
Ensure the operating temperature range meets your application needs
Usage recommendations
For optimal accuracy, ensure the sensor probe is placed in a location with good air circulation and away from direct heat sources or cold drafts that do not represent the overall system temperature.

## FAQ

### How much does the FF CRT-04 Temperature Sensor Probe cost, and is it available for purchase?

The price is 17.99 € (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 14.07.2026 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/10679489/57900082_large.webp