# Vertical water heater LEMET MAXI 300L with 1 DHW coil (3.2 m²)

**URL:** https://aio.lv/en/product--lemet-26300-se--5515581
**Data updated:** 2026-06-25 19:50 (EEST)
**Category:** Water Heaters
**Manufacturer:** LEMET
**Manufacturer code:** 26.300 SE
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 587.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 1 311.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lemet-26300-se--5515581

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Courier delivery to door | 15.07.2026 | 53.99 EUR |

## Summary description

LEMET MAXI vertical water heater, 300‑litre capacity with a single domestic hot water (DHW) coil of 3.2 m². Designed for central heating systems to store and heat large volumes of water, it provides domestic hot water and supports space heating circuits. Suitable for residential or small commercial installations where high hot‑water demand and buffer storage are required.

## Long description

The LEMET MAXI 300L vertical water heater is a high-capacity storage solution engineered for efficient domestic hot water production and central heating support. Featuring a robust 300-litre tank and a large 3.2 m² domestic hot water (DHW) coil, this unit is designed to handle significant thermal loads while maintaining consistent water temperatures. Its vertical orientation ensures a compact footprint, making it an ideal choice for boiler rooms where space optimization is essential.
Advantages
This water heater stands out due to its high-performance heat exchange surface, which allows for rapid heating of the stored water volume. The integration of a large-area coil ensures that the system can effectively utilize heat from various central heating sources, including boilers. The durable construction and high-quality insulation minimize heat loss, contributing to overall system efficiency and reduced energy consumption during standby periods.
Suitable for
Residential homes with high hot water demand
Small commercial properties requiring consistent hot water supply
Central heating systems integrated with boilers
Buffer storage applications for domestic hot water
When it may not be suitable
This unit is not designed for direct connection to solar thermal systems without additional modifications or secondary heat exchangers. It is also not suitable for locations where the floor space or ceiling height cannot accommodate a 300-litre vertical tank.
Key specifications
Capacity: 300 litres
Coil surface area: 3.2 m²
Installation type: Vertical
Application: Domestic hot water and central heating support
How to use
The water heater should be installed by a qualified professional in accordance with local plumbing and heating regulations. The unit is connected to the central heating circuit via the integrated coil, which transfers heat to the domestic water stored within the tank. Once installed, the temperature is regulated through the heating system controls to ensure the desired output for domestic use.
What to consider before purchase
Ensure the installation area has sufficient height and floor space
Verify that your heating system capacity matches the coil surface area
Check local water pressure requirements for optimal performance
Confirm the availability of necessary plumbing connections
Usage recommendations
Regular maintenance, including the inspection of the anode and cleaning of the tank, is recommended to prolong the service life of the heater and maintain optimal thermal efficiency.

## FAQ

### How much does the LEMET MAXI vertical water heater 300L 1 DHW coil cost, and is it available for purchase?

The price is 1,587.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 10.07.2026 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 LEMET MAXI vertical water heater 300L 1 DHW coil 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 LEMET 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 LEMET 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/5515581/51243084_large.webp