# Heating actuator MDT AKH-0400.03 4-channel, 24–230 V AC

**URL:** https://aio.lv/en/product--mdt-akh-040003--4253570
**Data updated:** 2025-12-29 15:54 (EET)
**Category:** Control Systems
**Manufacturer:** MDT
**Manufacturer code:** AKH-0400.03
**EAN:** 4251916130114
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 168.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 139.25 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mdt-akh-040003--4253570

## 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 | 1.99 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

MDT AKH-0400.03 is a 4-channel heating actuator designed for control of heating zones and valves. It operates on 24–230 V AC and provides independent switching for four outputs, suitable for integration in building automation systems. Use it to manage radiators, underfloor heating or zone valves for reliable temperature control and energy management.

## Long description

MDT AKH-0400.03 is a 4-channel heating actuator for control of heating zones and valves. Designed for DIN-rail mounting, it accepts 24–230 V AC supply and provides four independent outputs to switch radiators, underfloor heating circuits, or zone valves. The device is intended for integration into building automation systems to enable reliable temperature control and basic energy management.
Advantages
The actuator offers four independent channels in a compact 2 TE housing, wide supply voltage range (24–230 V AC) for flexible installation, and compatibility with common building automation setups. Its modular design simplifies wiring and allows centralized control of several heating outputs from one device.
Suitable for
Switching radiator valves
Controlling underfloor heating circuits
Operating zone valves in central heating systems
Integration into KNX or other building automation controllers
Key specifications
Model: MDT AKH-0400.03
Channels: 4 independent outputs
Supply voltage: 24–230 V AC
Mounting: DIN-rail (2 TE housing)
Manufacturer article number (MPN): AKH-0400.03
EAN: 4251916130114
How to use
Install the MDT AKH-0400.03 on a standard DIN rail in the distribution board and connect the supply voltage (24–230 V AC) according to the wiring diagram. Wire the heating actuators or valves to the four outputs, and integrate the device with the building automation controller or room thermostats as required. Ensure correct channel addressing and test each output to confirm proper operation before commissioning.
Usage recommendations
Mount and wire the device only by qualified electricians. Verify voltage compatibility and follow local electrical codes. For reliable operation, combine the actuator with compatible controllers and regular maintenance checks of valve actuators and connections.

## FAQ

### How much does the MDT AKH-0400.03 heating actuator 4-channel cost, and is it available for purchase?

The price is 168.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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. 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 MDT 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 MDT 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

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