# Berker 20301909 Room Temperature Controller with Rotary Switch, White

**URL:** https://aio.lv/en/product--berker-20301909--1937407
**Data updated:** 2026-07-21 04:04 (EEST)
**Category:** Other goods
**Manufacturer:** berker
**Manufacturer code:** 20301909
**EAN:** 4011334309444
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 91.49 €
**Prices and availability valid until:** 2026-08-28 23:59
**Price without VAT (21%):** 75.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--berker-20301909--1937407

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.08.2026 | free |
| Pickup points | 18.08.2026 | 1.79 EUR |
| Courier delivery to door | 18.08.2026 | 4.99 EUR |

## Summary description

The Berker 20301909 is a reliable room temperature controller featuring a user-friendly rotary switch design. Finished in white, this device is designed for precise climate control in residential or commercial spaces. It operates with an AC input voltage of 250 V and a frequency range of 50-60 Hz. This thermostat ensures efficient heating or cooling management, providing consistent comfort and energy-saving performance for your interior environment.

## Long description

The Berker 20301909 Room Temperature Controller is a high-quality device designed for precise climate management in various indoor environments. Featuring a classic rotary switch interface, this controller allows for intuitive and straightforward temperature adjustments. Its clean white finish ensures it integrates seamlessly into any modern or traditional interior design, making it a practical choice for both residential and commercial applications.
Advantages
This room temperature controller offers exceptional reliability and ease of use through its mechanical rotary dial, which provides tactile feedback for accurate settings. The device is engineered for durability and consistent performance, ensuring that heating or cooling systems operate efficiently to maintain a comfortable indoor climate. By providing precise control over thermal conditions, it helps optimize energy consumption, contributing to more sustainable building management.
Suitable for
Residential living rooms and bedrooms
Office spaces and meeting rooms
Commercial buildings requiring manual climate control
Heating and cooling system regulation
When it may not be suitable
This device is not suitable for smart home automation systems that require remote control via mobile applications or Wi-Fi connectivity. It is also not intended for outdoor use or environments with high humidity levels where specialized weather-resistant equipment is required.
Key specifications
Input voltage: 250 V AC
Frequency: 50-60 Hz
Control type: Rotary switch
Color: White
Application: Indoor climate control
How to use
Installation should be performed by a qualified professional to ensure safety and compliance with electrical standards. Once installed, the controller is operated by turning the rotary dial to the desired temperature setpoint. The internal mechanism will then signal the connected heating or cooling equipment to activate or deactivate based on the ambient room temperature, maintaining the selected comfort level automatically.
What to consider before purchase
Verify compatibility with your existing heating or cooling system wiring
Ensure the installation location is away from direct sunlight or drafts for accurate readings
Check if the electrical load of your system is within the specified voltage limits
Usage recommendations
For optimal performance, place the controller on an interior wall at a height of approximately 1.5 meters from the floor, away from heat sources such as radiators or electronic appliances that could interfere with temperature sensing.

## Specifications

| Feature | Value |
|---|---|
| Type | Rotary switch |
| Product colour | White |
| AC input frequency | 50 - 60 |
| AC input voltage | 250 |

## FAQ

### How much does the Berker 20301909 Room Temperature Controller cost, and is it available for purchase?

The price is 91.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 21 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 13.08.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Berker 20301909 Room Temperature Controller be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 berker 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 berker 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/1937407/58132395_large.webp