# Aquarium heater thermostat sera SE-08750, 300 W, temperature range 18–32 °C

**URL:** https://aio.lv/en/product--sera-se-08750--11160677
**Data updated:** 2026-03-11 12:00 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** SE-08750
**EAN:** 4001942087506
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-se-08750--11160677

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Inline aquarium heater thermostat by sera, model SE-08750, with 300 W power and adjustable temperature range 18–32 °C. Designed to maintain stable water temperature for freshwater and marine tanks, it provides precise temperature control for fish, plants and corals. Suitable for medium to large aquariums and integration with filtration systems.

## Long description

The sera SE-08750 inline aquarium heater thermostat is a 300 W heating unit designed to maintain stable water temperature in freshwater and marine aquariums. Compact in size, it is intended for integration with filtration or circulation systems and offers an adjustable temperature range from 18 to 32 °C for precise control. The heater features shock-resistant quartz glass and a protective grid to reduce the risk of direct contact with the heating element, plus a visible on/off indicator for simple function monitoring.
Advantages
The compact inline design allows installation inside or near an external filter loop, saving space within the display tank while ensuring consistent heat distribution. Shock-resistant quartz glass increases durability and thermal stability under continuous use. A precision protection circuit helps maintain set temperatures and reduces thermal fluctuations. The visible function lamp provides a clear on/off indication, and the protective grid prevents direct contact with the glass surface for improved safety.
Suitable for (tasks / use cases)
Maintaining stable temperature in medium to large freshwater aquariums
Heating marine aquaria with corals and temperature-sensitive invertebrates
Integration with external filters, canister filters and circulation systems
Use in planted aquaria where consistent temperature supports plant growth
Key specifications
Power: 300 W
Adjustable temperature range: 18–32 °C
Construction: shock-resistant quartz glass heating element
Protective features: protective grid and precision protection circuitry
Mounting: inline/external integration compatible with filter lines
Indicator: visible on/off function lamp
How to use
Install the heater inline with the circulation or filtration line following the flow direction and manufacturer safety guidelines. Set the desired temperature within the 18–32 °C range using the adjustment control and check the function lamp to confirm the device is operating. Allow the system to reach equilibrium and verify the aquarium thermometer readings at multiple locations to ensure uniform temperature. Regularly inspect the protective grid and glass surface for deposits or damage and clean according to maintenance instructions.
Usage recommendations
For reliable temperature control, place the heater where water flow is steady to promote even heat distribution. Use an independent aquarium thermometer to confirm set temperature and perform periodic checks. Avoid dry operation and ensure the heater remains submerged or in the prescribed inline position within the flow. If integrating with automated controllers or additional equipment, verify compatibility and wiring according to device manuals.

## Specifications

| Feature | Value |
|---|---|
| Power | 300 W |
| Temperature range (T-T) | 18 - 32 |
| Warranty period | 5 year(s) |

## FAQ

### How much does the Aquarium heater thermostat sera SE-08750 300 W cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 14.07.2026 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 sera 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 sera 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

### Where can I download the instructions for Aquarium heater thermostat sera SE-08750 300 W?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11160677/61892005_large.webp