# Thermostat Homematic IP HmIP-eTRV-C-2

**URL:** https://aio.lv/en/product--eq-3-155648a0--4139990
**Data updated:** 2026-01-13 21:18 (EET)
**Category:** Home Automation
**Manufacturer:** eQ-3
**Manufacturer code:** 155648A0
**EAN:** 4047976556489
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Homematic IP HmIP-eTRV-C-2 is a reliable RF thermostat designed for room use. Operating at a frequency of 869.65 MHz, it is powered by AA batteries (1.5 V). With dimensions of 51 mm width, 48 mm depth, and 98 mm height, this German-made device offers precise temperature control and easy installation, making it an ideal choice for modern heating systems.

## Long description

The Homematic IP HmIP-eTRV-C-2 is a compact RF room thermostat manufactured by eQ-3 in Germany. Designed for battery operation, the device supports precise temperature control in individual rooms and integrates with Homematic IP systems. It communicates on the 869.65 MHz frequency and is intended for mounting on radiators or in living spaces where wireless, room-level temperature regulation is required. Its compact dimensions (approximately 51 mm wide, 48 mm deep and 98 mm high) allow installation in confined areas without obstructing surrounding fixtures.
Advantages
The thermostat provides reliable wireless communication for individual room control and runs on common AA batteries, reducing the need for mains wiring during installation. Its German engineering ensures consistent temperature regulation and build quality. The device’s compact form factor and straightforward operation support easy integration into existing heating systems and Homematic IP setups.
Suitable for
Individual room temperature control in apartments and houses
Replacement of mechanical radiator valves with wireless control
Integration into Homematic IP smart heating systems
Heating regulation in rooms with limited space around valves
Key specifications
Operating frequency: 869.65 MHz for RF communication
Power supply: AA batteries (1.5 V)
Dimensions: approx. 51 mm (width) × 48 mm (depth) × 98 mm (height)
Designed for room-level thermostat control with valve actuation compatibility
Manufacturing origin: Germany
How to use
Install the thermostat near the radiator valve or in the room where temperature control is required, following the mounting instructions supplied with the unit. Insert AA batteries and pair the device with a Homematic IP hub or compatible gateway using the manufacturer’s pairing procedure. After successful pairing, configure target temperatures and schedules through the Homematic IP app or the central control system. Regularly check battery status and replace batteries when the system indicates low power.
Usage recommendations
Place the thermostat away from direct sunlight, drafts and heat sources to ensure accurate room temperature readings. For reliable wireless performance, maintain line-of-sight where possible and avoid dense obstacles between the thermostat and the Homematic IP hub. Replace batteries with fresh AA cells of the same type and dispose of used batteries according to local regulations.

## 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

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 eQ-3 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 eQ-3 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

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