# Wall-mounted thermostat Engo T9E55-B for 55×55 frame, recessed installation, black

**URL:** https://aio.lv/en/product--engo-t9e55-b--11867667
**Data updated:** 2026-03-09 17:44 (EET)
**Category:** Home Automation
**Manufacturer:** Engo
**Manufacturer code:** T9E55-B
**EAN:** 5905481996482
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 76.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 63.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--engo-t9e55-b--11867667

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Engo T9E55-B is a recessed wall thermostat designed for installation in standard 55×55 frames. The black controller provides temperature regulation for heating and cooling systems where a compact, frame-compatible fitting is required. Suitable for residential or commercial indoor use, it allows centralized control of ambient temperature when mounted into wall or frame openings.

## Long description

Engo T9E55-B is a recessed wall thermostat designed for installation in standard 55×55 mm frame openings. The black controller integrates with frame-mounted systems to provide temperature regulation for heating and cooling circuits in residential or commercial indoor environments. Its compact profile allows a flush fit, preserving the appearance of wall-mounted frames while enabling centralized ambient temperature control.
Advantages
The thermostat offers a compact, frame-compatible design that fits standard 55×55 installations and supports recessed mounting for a low-profile finish. The black finish provides a neutral appearance that blends with many interior styles. It is intended for straightforward integration with common heating and cooling control systems, providing reliable temperature regulation where a standard frame-mounted device is required.
Suitable for
 Residential wall installations with 55×55 frame openings
 Commercial interior spaces requiring frame-mounted temperature control
 Retrofits where a recessed, low-profile thermostat is preferred
 Integration with heating and cooling control circuits in indoor environments
Key specifications
 Mounting type: recessed, frame-compatible for 55×55 mm openings
 Color: black
 Application area: indoor temperature control for heating and cooling systems
 Form factor: compact, low-profile wall-mounted controller
How to use
Install the thermostat into a compatible 55×55 mm frame opening following local electrical codes and the wiring requirements of the connected heating or cooling system. After securing the device in the recessed frame, connect control wiring to the designated terminals and restore power. Configure setpoints and operating mode according to the system requirements and the installer’s guidance. Regularly check connections and settings during commissioning to ensure proper interaction with the HVAC equipment.
Usage recommendations
Place the thermostat at a representative indoor location away from direct sunlight, drafts, or heat sources to ensure accurate ambient temperature measurement. For safety and correct operation, have installation and wiring carried out by a qualified electrician or HVAC technician and follow applicable installation standards.

## FAQ

### How much does the Engo T9E55-B recessed thermostat for 55×55 frame cost, and is it available for purchase?

The price is 76.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 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 07.07.2026 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 Engo T9E55-B recessed thermostat for 55×55 frame 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 Engo 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 Engo 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/11867667/67273981_large.webp