# Digital thermostat Homematic IP 159820A0 — Anthracite, LED display, battery (AAA), IP20

**URL:** https://aio.lv/en/product--homematic-ip-159820a0--12103451
**Data updated:** 2026-03-20 09:53 (EET)
**Category:** Home Automation
**Manufacturer:** Homematic IP
**Manufacturer code:** 159820A0
**EAN:** 4047976598205
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 74.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 61.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--homematic-ip-159820a0--12103451

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

Homematic IP 159820A0 is a digital room thermostat in anthracite designed for temperature control in heating systems. It features an LED display, IP20 protection and is powered by two AAA 1.5 V batteries. Compact (25 mm depth, 100 g) and battery-operated, it suits retrofit installations and rooms without wired power, offering basic setpoint control and integration with Homematic IP environments.

## Long description

Homematic IP 159820A0 is a digital room thermostat in anthracite designed for precise temperature control in heating systems. The compact, battery-powered device features an LED display and IP20 protection, making it suitable for retrofit installations and rooms without wired power. It measures room conditions and transmits setpoint information to compatible radiator thermostats within the Homematic IP system, enabling centralized or remote control when paired with an access point and app.
Advantages
The thermostat provides straightforward setpoint control and basic room climate management without requiring a wired power supply, relying on two AAA 1.5 V batteries for operation. Its compact form factor and neutral anthracite finish allow flexible placement and unobtrusive installation. Integration with Homematic IP environments enables scheduling, remote adjustment, and coordination with other heating devices to optimize comfort and energy use.
Suitable for
 Retrofit installations where no mains wiring is available
 Living rooms, bedrooms or office spaces needing decentralized temperature sensing
 Homes using Homematic IP radiator thermostats and an access point for centralized control
 Situations requiring a compact, battery-operated room thermostat with LED display
Key specifications
 Form factor: wall-mounted room thermostat, compact depth (approx. 25 mm)
 Display: LED display for temperature and status information
 Power supply: two AAA (1.5 V) batteries
 Protection class: IP20 (suitable for indoor use)
 Weight: approximately 100 g
 Color: anthracite
 Functionality: basic setpoint temperature control and communication with radiator thermostats within Homematic IP
How to use
Install the thermostat at a representative location on an interior wall, away from direct sunlight, drafts and heat sources to ensure accurate temperature measurement. Insert two AAA 1.5 V batteries and follow the manufacturer's pairing procedure to connect the device to radiator thermostats or to a Homematic IP Access Point if remote control and scheduling are required. Use the LED display to view and adjust the setpoint temperature locally, or adjust settings via the Homematic IP app once the device is integrated into the system.
Usage recommendations
For reliable temperature control, place the thermostat at a typical room height and avoid installation above radiators or close to doors and windows. Replace batteries promptly when the device indicates low power, and use the Homematic IP app to configure schedules and temperature curves to balance comfort and energy efficiency.

## Specifications

| Feature | Value |
|---|---|
| Type | Digital thermostat |
| Display | LED |
| Weight | 0.1 kg |
| Package weight | 208.5 g |
| Battery type | AAA |
| Number of batteries supported | 2 |
| Power source | Battery |
| Depth | 25 mm |
| Remote control included | No |
| Product colour | Anthracite |
| Control type | Rotary, Buttons |
| Package height | 48 mm |
| Manual | Yes |
| Battery voltage | 1.5 V |
| Batteries included | Yes |
| Operating voltage | 3 V |
| Remotely operated | Yes |
| International Protection (IP) code | IP20 |
| Maximum indoor range | 250 m |
| Smartphone/tablet remote support | Yes |
| Smart thermostat | Yes |
| Applications support | Yes |

## FAQ

### How much does the Homematic IP 159820A0 digital thermostat cost, and is it available for purchase?

The price is 74.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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 21.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Homematic IP 159820A0 digital thermostat 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 Homematic IP 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 Homematic IP 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 Homematic IP 159820A0 digital thermostat?

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/12103451/67635735_large.webp