# Thermostatic Radiator Valve Homematic IP HmIP-eTRV-C-2 — RF 869.65 MHz, AA battery, 51×48×98 mm

**URL:** https://aio.lv/en/product--homematic-ip-155648a0--12041654
**Data updated:** 2026-03-12 19:23 (EET)
**Category:** Home Automation
**Manufacturer:** Homematic IP
**Manufacturer code:** 155648A0
**EAN:** 4047976556489
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 77.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 64.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--homematic-ip-155648a0--12041654

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Electronic thermostatic radiator valve Homematic IP HmIP-eTRV-C-2 for room temperature control. Communicates via RF at 869.65 MHz and is powered by AA batteries (1.5 V). Compact dimensions: 51 mm width, 48 mm depth, 98 mm height. Designed for installation on radiators to regulate heating, compatible with Homematic IP systems and suitable for energy-efficient temperature management in homes and offices.

## Long description

The Homematic IP HmIP-eTRV-C-2 thermostatic radiator valve is an electronic room thermostat designed for integration into Homematic IP heating systems. It controls the radiator valve actuator to maintain a set room temperature, communicating via radio at 869.65 MHz and powered by AA batteries. With compact dimensions (51×48×98 mm) and a white housing, the device is intended for installation on radiators in homes or offices to enable automated and energy-conscious temperature regulation.
Advantages
The device offers precise temperature control through an electronic thermostatic function compatible with Homematic IP. Its RF communication at 869.65 MHz provides wireless integration into existing Homematic IP networks without the need for wired connections. Battery operation using standard AA cells simplifies installation and replacement while the compact form factor fits most radiator valve positions. Designed to support energy-efficient room climate management, the valve facilitates scheduled or app-based temperature adjustments.
Suitable for
 Regulating room temperature on radiators in residential apartments
 Temperature control in office rooms and small commercial spaces
 Integration into Homematic IP smart heating systems for automated schedules
 Energy-saving applications where per-room temperature regulation is required
Key specifications
 Radio frequency: 869.65 MHz
 Power source: AA battery (1.5 V)
 Power consumption reference: battery 100 mA
 Device type: electronic thermostatic radiator valve (smart thermostat)
 Color: white
 Dimensions (W×D×H): 51 × 48 × 98 mm
 Intended use: room temperature control on radiators
How to use
Install the valve on a compatible radiator actuator following the radiator manufacturer’s fitting instructions and the Homematic IP installation guide. Insert AA batteries and pair the device with a Homematic IP access point or central unit via the system’s pairing procedure. After pairing, set target temperatures and schedules through the Homematic IP app or web interface. The valve will regulate the radiator actuator to reach and maintain the configured room temperature.
Usage recommendations
For reliable operation, use high-quality AA batteries and replace them promptly when low battery indicators appear. Position the valve where it can accurately sense room temperature—avoid direct sunlight, drafts or obstructed airflow. Regularly check the mechanical connection to the radiator actuator and follow Homematic IP guidelines for firmware updates and network placement to ensure stable RF communication.

## Specifications

| Feature | Value |
|---|---|
| Interface | RF |
| Display | No |
| Weight | 0.172 kg |
| Battery type | AA |
| Number of batteries supported | 2 |
| Power source | Battery |
| Height | 98 mm |
| Width | 51 mm |
| Depth | 48 mm |
| Remote control included | No |
| Quantity | 1 |
| Product colour | White |
| Battery life | 5 year(s) |
| Proper use | Room |
| Country of origin | Germany |
| Manual | Yes |
| Battery voltage | 1.5 V |
| Units of measurement | °C |
| Power consumption | 100 mA |
| Connecting thread type | M30 |
| International Protection (IP) code | IP20 |
| Built-in battery | No |
| Brand compatibility | EQ3-AG |
| Temperature range (T-T) | 0 - 50 |
| Maximum outdoor range | 250 m |
| Frequency | 869.65 MHz |
| Smart thermostat | Yes |

## FAQ

### How much does the Homematic IP HmIP-eTRV-C-2 thermostatic radiator valve cost, and is it available for purchase?

The price is 77.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 17.07.2026 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 HmIP-eTRV-C-2 thermostatic radiator valve 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

## Image

https://aio.lv/img/cache/product/12041654/67601104_large.webp