---
product_id: 48226553
title: "Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 300 W, for aquariums up to 270 litres, Black"
brand: "interpet"
price: "$51.62"
currency: USD
in_stock: true
category: "Interpet"
url: https://www.desertcart.us/products/48226553-deltatherm-aquarium-fish-tank-heater-adjustable-for-tropical-and-marine
store_origin: US
region: United States of America
---

# precise adjustable temp control fully submersible & waterproof 300W powerful heating Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 300 W, for aquariums up to 270 litres, Black

**Brand:** interpet
**Price:** $51.62
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your aquatic ecosystem thriving with precision and power!

## Quick Answers

- **What is this?** Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 300 W, for aquariums up to 270 litres, Black by interpet
- **How much does it cost?** $51.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/48226553-deltatherm-aquarium-fish-tank-heater-adjustable-for-tropical-and-marine)

## Best For

- interpet enthusiasts

## Why This Product

- Trusted interpet brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Capacity:** Optimized for aquariums up to 270 litres, perfect for medium to large tanks.
- • **Effortless Precision:** Positive click-control dial lets you dial in exact temps with ease—preset at ideal 24°C.
- • **Robust & Safe Design:** Double insulated, shock-resistant glass ensures worry-free, fully submerged operation.
- • **Consistent Climate Control:** Maintain perfect tropical or marine water temps from 16-34°C with pinpoint accuracy.
- • **Visual Operation Indicator:** On/off light confirms heating status, so you’re always in control.

## Overview

The Interpet Deltatherm 300W Aquarium Heater delivers reliable, adjustable heating for tropical and marine tanks up to 270 litres. Featuring a fully submersible, double insulated design with shock-resistant glass, it ensures safe, consistent temperature control from 16 to 34°C. Its user-friendly click-control dial and heating indicator light make precise adjustments effortless, supporting a healthy aquatic environment with professional-grade performance.

## Description

Free delivery and returns on eligible orders. Buy Interpet Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 300 W, for aquariums up to 270 litres, Black at desertcart UK.

## Features

- Precise and reliable heating control for tropical aquariums, freshwater and marine
- Keep your aquarium at exactly the right temperature with this high performing heater
- Extra safe, double insulated and fully submersible, made with heat and shock resistant glass
- The positive click-control makes it easy to adjust the temperature precisely, but as the heater is already set to 24°C you might not find you need to
- 300 W model for aquariums from 135 to 270 litres, heater dimensions 35.5 cm x 2.5 cm x 2.5 cm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003VZFP6K |
| Amperage | 1.3 Amps |
| Best Sellers Rank | 7,194 in Pet Supplies ( See Top 100 in Pet Supplies ) 10 in Aquarium Heaters |
| Brand Name | Interpet |
| Colour | Black |
| Country of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,244) |
| Form Factor | In-Tank |
| Fuel Type | Electric |
| Global Trade Identification Number | 00755349016440 |
| Heat Output | 300 Watts |
| Heating Element | Radiant |
| Heating Method | Convection |
| Included Components | See Description |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions D x W x H | 25D x 25W x 355H millimetres |
| Item Type Name | Interpet Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 300 W, for aquariums up to 270 litres |
| Item Weight | 0.37 Kilograms |
| Manufacturer | Interpet |
| Maximum Temperature Setting | 34 Degrees Celsius |
| Min Temperature Setting | 16 Degrees Celsius |
| Model Number | 1644 |
| Mounting Type | Tabletop Mount |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 1644 |
| Power Source | Corded Electric |
| Product Warranty | Manufacturer fault. |
| Recommended Uses For Product | Aquarium water heating |
| Room Type | Aquarium |
| Special Features | Underwater |
| UPC | 755349016440 |
| Unit Count | 1.0 count |
| Voltage | 230 Volts |

## Product Details

- **Brand:** Interpet
- **Colour:** Black
- **Form factor:** In-Tank
- **Indoor/Outdoor usage:** Indoor
- **Special feature:** Underwater

## Images

![Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 300 W, for aquariums up to 270 litres, Black - Image 1](https://m.media-amazon.com/images/I/71FtgJDuyTS.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.us/products/48226553-deltatherm-aquarium-fish-tank-heater-adjustable-for-tropical-and-marine](https://www.desertcart.us/products/48226553-deltatherm-aquarium-fish-tank-heater-adjustable-for-tropical-and-marine)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-17*