# Karlik MINI Electronic Temperature Controller with Floor Sensor, Matte Gray 27MRT-1

**URL:** https://aio.lv/en/product--karlik-27mrt-1--12451965
**Data updated:** 2026-05-18 02:38 (EEST)
**Category:** Underfloor Heating
**Manufacturer:** Karlik
**Manufacturer code:** 27MRT-1
**EAN:** 5903268588028
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 35.94 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--karlik-27mrt-1--12451965

## 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 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Karlik MINI 27MRT-1 is an electronic temperature controller designed for precise climate management. Equipped with an external floor sensor, it is ideal for controlling electric underfloor heating systems. The device features a modern matte gray finish, ensuring seamless integration into contemporary interiors while providing reliable and efficient thermal regulation for residential or commercial spaces.

## Long description

The Karlik MINI Electronic Temperature Controller 27MRT-1 is a precision-engineered device designed for effective climate management in residential and commercial environments. Featuring a sophisticated matte gray finish, this controller combines aesthetic appeal with functional reliability. It is specifically engineered to work with an external floor sensor, providing accurate monitoring and regulation of electric underfloor heating systems to ensure optimal comfort and energy efficiency.
Advantages
This temperature controller offers high precision in thermal regulation, allowing users to maintain a consistent and comfortable environment. The inclusion of an external floor sensor ensures that the heating system responds directly to the actual temperature of the floor surface, preventing overheating and optimizing power consumption. Its compact design and modern matte gray appearance allow it to blend seamlessly into various interior styles, making it a versatile choice for modern homes and offices.
Suitable for
Electric underfloor heating systems
Residential climate control
Commercial office heating management
Renovation projects requiring modern aesthetic integration
When it may not be suitable
This device is not intended for controlling water-based heating systems or central heating boilers. It may also be unsuitable for environments where the ambient temperature requirements exceed the technical capacity of the controller or where complex smart home integration protocols are required.
Key specifications
Type: Electronic temperature controller
Sensor: External floor sensor included
Finish: Matte gray
Application: Electric underfloor heating
How to use
The controller should be installed by a qualified professional in accordance with local electrical regulations. Once installed, the device is operated via the integrated interface to set the desired temperature threshold. The external sensor must be positioned correctly within the floor structure to ensure accurate readings. Regular monitoring of the display allows for quick adjustments to the heating levels based on seasonal needs.
What to consider before purchase
Compatibility with your existing electric heating system
Professional installation requirements
Placement of the floor sensor during installation
Aesthetic match with existing wall plates and decor
Usage recommendations
Ensure the floor sensor is placed in a conduit to allow for easy replacement if necessary. Avoid installing the controller in areas exposed to direct sunlight or drafts, as this may interfere with the accuracy of the temperature regulation.

## FAQ

### How much does the Karlik MINI 27MRT-1 Electronic Temperature Controller cost, and is it available for purchase?

The price is 43.49 € (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 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 Karlik 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 Karlik 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/12451965/68754607_large.webp