# Water heater tank Galmet MAKS 300 L vertical with spiral coil (DWZ) — 300 L capacity

**URL:** https://aio.lv/en/product--galmet-r051007300--11888161
**Data updated:** 2026-03-09 23:58 (EET)
**Category:** Water Heaters
**Manufacturer:** Galmet
**Manufacturer code:** R051007300
**EAN:** 5901224564475
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 903.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 747.10 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--galmet-r051007300--11888161

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Vertical water heater tank Galmet MAKS 300 L (DWZ) with an internal spiral coil designed for domestic hot water (C.W.U.). Capacity 300 liters; vertical orientation suitable for floor installation. Integrated spiral heat exchanger enables connection to external heat sources such as boilers or solar thermal systems for efficient heat transfer and DHW supply in residential or small commercial installations.

## Long description

Galmet MAKS 300 L vertical water heater tank with an internal spiral coil is a storage tank designed for domestic hot water (DHW) production. The 300‑litre vertical cylinder is intended for floor mounting and integrates a spiral heat exchanger that allows efficient heat transfer from an external heat source such as a boiler or solar thermal system. The unit is suitable for residential and small commercial installations where stable hot water supply and the option to connect auxiliary heat sources are required.
Advantages
The spiral coil inside the tank provides efficient, indirect heating of stored water while maintaining hydraulic separation between the heat source circuit and the potable water. The vertical design offers a compact footprint for floor installation, and the 300 L capacity supports sustained DHW demand for medium‑sized households or light commercial use. The construction is straightforward and designed for integration with common heating systems, enabling flexible connection to boilers, heat pumps or solar collectors.
Suitable for
 Residential hot water supply for medium to large households
 Supplementing boiler or heat pump systems with indirect DHW storage
 Integration with solar thermal panels for preheating DHW
 Small commercial applications such as guesthouses, offices or workshops
Key specifications
 Storage capacity: 300 litres
 Orientation: vertical, floor-mounted installation
 Internal heat exchanger: spiral coil (indirect heating)
 Intended use: domestic hot water (DHW/C.W.U.)
 Heat source compatibility: boilers, solar thermal systems, heat pumps
How to use
Install the tank on a level, load‑bearing floor with provision for service access. Connect the spiral coil circuit to the external heat source following hydraulic and safety requirements of the heating system. Connect cold water inlet and hot water outlet to the potable water network using appropriate fittings and check valves. Commission the system by filling, venting air from both the coil and the domestic circuit, and following the heat source manufacturer’s startup procedure. Regularly inspect connections, pressure relief devices and anode (if present) according to local regulations and maintenance schedules.
Usage recommendations
To maximise efficiency and service life, pair the tank with a heat source sized to the expected hot water demand and install appropriate controls and safety devices. Regular maintenance of the heating circuit and periodic inspection of anti‑corrosion elements are recommended. For systems with solar thermal integration, use a stratification‑friendly piping layout and temperature controls to improve solar contribution to DHW production.

## FAQ

### How much does the Galmet MAKS 300 L vertical water heater tank cost, and is it available for purchase?

The price is 903.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 16.07.2026 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, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Galmet MAKS 300 L vertical water heater tank 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 Galmet 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 Galmet 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/11888161/67309348_large.webp