# Aquatic heater HAPPET Aquat Mini 25W – aquarium submersible heater, 25 W

**URL:** https://aio.lv/en/product--happet-vat016109--12032343
**Data updated:** 2026-04-09 20:45 (EEST)
**Category:** Aquarium Supplies
**Manufacturer:** HAPPET
**Manufacturer code:** VAT016109
**EAN:** 5907708639530
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 14.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--happet-vat016109--12032343

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

HAPPET Aquat Mini 25W is a compact submersible aquarium heater designed to maintain stable water temperature in small tanks. With 25 W power, it is suitable for nano and small freshwater or marine aquariums. The unit provides continuous heating when submerged, is compact for discreet placement, and supports keeping tropical fish and invertebrates at steady temperatures.

## Long description

HAPPET Aquat Mini 25W is a compact submersible aquarium heater designed for maintaining stable water temperatures in small freshwater and marine tanks. Its 25 W output provides gentle, continuous heating appropriate for nano aquariums, desktop tanks or small planted setups. The heater’s low-profile cylindrical design allows discreet placement among decor or behind filters while submerged operation ensures direct heat transfer to the water for consistent temperature control.
Advantages
The Aquat Mini 25W offers precise, steady heating in a small footprint, making it suitable when space is limited. Its submersible construction ensures efficient heat distribution and reduces surface heat loss. The compact housing and simple form factor facilitate near-invisible installation without disturbing aquascapes. Constructed for continuous underwater use, the heater is reliable for maintaining the stable temperatures required by tropical fish and invertebrates in small systems.
Suitable for
Nano and small freshwater aquariums
Small marine or reef starter tanks
Desktop or office aquariums
Breeding or quarantine tanks for tropical species
Key specifications
Power: 25 W
Type: fully submersible tubular heater
Application: freshwater and marine aquariums
Mounting: in-tank placement (suction or bracket mounting depending on tank setup)
Form factor: compact, low-profile cylindrical design for discreet positioning
How to use
Install the heater fully submerged in the aquarium water according to tank dimensions and flow patterns, positioning it where circulation will distribute heat evenly. Allow the heater to be secured to the glass or placed behind decoration so it remains stable. Connect to power only after the heater is submerged and ensure the unit remains underwater during operation. Monitor water temperature with an independent thermometer and make small adjustments to tank circulation or placement rather than attempting abrupt setpoint changes.
Usage recommendations
Use the HAPPET Aquat Mini 25W in aquariums sized for low power heaters; verify temperature with a separate thermometer and avoid operating the heater out of water. For best results place the heater where water flow carries warmth through the tank, and pair with routine maintenance to ensure stable conditions for tropical fish and invertebrates.

## FAQ

### How much does the HAPPET Aquat Mini 25W aquarium heater cost, and is it available for purchase?

The price is 16.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 08.07.2026 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. 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 HAPPET 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 HAPPET 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/12032343/67519879_large.webp