---
product_id: 553151881
title: "hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon"
brand: "hygger"
price: "€ 96.27"
currency: EUR
in_stock: true
reviews_count: 12
category: "Hygger"
url: https://www.desertcart.ie/products/553151881-hygger-aquarium-heater-500w-800w-1000w-submersible-fish-tank-heater
store_origin: IE
region: Ireland
---

# LED display + external controller 0.1°F precise temp control 3-layer smart safety system hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon

**Brand:** hygger
**Price:** € 96.27
**Availability:** ✅ In Stock

## Summary

> 🌊 Keep your tank in the perfect zone—because your fish deserve a climate as smart as you are!

## Quick Answers

- **What is this?** hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon by hygger
- **How much does it cost?** € 96.27 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/553151881-hygger-aquarium-heater-500w-800w-1000w-submersible-fish-tank-heater)

## Best For

- hygger enthusiasts

## Why This Product

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

## Key Features

- • **Smart LED Insight:** Waterproof digital display plus external controller keep you effortlessly informed and in command of your tank’s environment.
- • **Precision Perfected:** Maintain your aquatic ecosystem with ultra-accurate 0.1°F temperature control—because your fish deserve the best climate.
- • **Built to Last & Safe:** Explosion-proof quartz glass and heat-resistant ABS shell deliver fast, stable heating without risking burns or damage.
- • **Triple Safety Shield:** Overheat, dry-run, and low-temp protections ensure your tank stays safe and your aquatic friends stay happy—no boiled fish here!
- • **Power Outage? No Problem!:** Memory function remembers your settings and resumes heating automatically after power interruptions—stress-free fish care.

## Overview

The hygger Aquarium Heater offers precise 0.1°F temperature control with intelligent inverter technology, suitable for freshwater and saltwater tanks up to 240 gallons. Featuring a waterproof LED display and external controller, it provides real-time temperature monitoring and easy adjustments. Safety is paramount with triple protection against overheating, dry running, and low temperature, plus explosion-proof quartz glass construction. Its memory function ensures consistent heating even after power outages, making it a reliable, high-performance solution for professional-grade aquarium management.

## Description

desertcart.com: hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon : Pet Supplies

Review: Holds temperature perfectly - We use this heater in an above ground tank with 2 koi and snails. In our Montana this is holding our temperature right where we want it. The way we use it makes it hard to see the LED digital display but when we take it out of the water it is easy to read.
Review: Works well - I have two of these in a 75gallon tank two different ones that is. Keeps temps where they need to be and no issues.

## Features

- 【Accurate Temperature Control】Thanks to the intelligent inverter technology, the aquarium heater keeps the water at a constant temperature through the built-in chip, the accuracy is 0.1F, much more precise than traditional heaters. It has a built-in dual temperature control system in Fahrenheit and Celsius. (temperature range: 63-94°F/17-34°C). You can switch between them by long-pressing the controller's set button for 2-3 seconds
- 【Overheating/Low Temperature/Dry Running Protection】Our aquarium heater has three intelligent protectors: ①Overheating: When the water temperature exceeds 93°F, the heater displays the error code “HH”, and automatically stops heating. ②Dry running: When the heater outs off water, “Auto shut off” will flash and automatically cuts off the power. ③Low temperature : When the temperature is below 59 °F, it will display “LL” and continue heating. Multiple protections to get rid of "boiled fish"!
- 【Digital Led Display & External Temperature Controller】This aquarium heater features a unique smart LED screen that is completely waterproof and clearly displays the current water temp., set temp., current operating power, error codes, and current operating status. With the red light on, the heater starts heating water. When the light turns white, the heater stops working to maintain the temperature. Simply press the set button on the external controller to set the target temperature
- 【Efficient And Explosion Proof】Our aquarium heater is made of explosion-proof quartz glass and the most thermally stable nickel-chromium wire to transfer heat to the surroundings quickly and steadily. While the shell covering the entire heater is made of heat-resistant ABS material, which can protect your aquatic life from burns. Note: Please unplug the power and let the heater cool for 10-20 minutes before taking it out to clean the fish tank or change the water
- 【Built-in Temperature Sensor, Power-off Memory Function】Memory function - The final settings are stored in the heater. If a power outage occurs, the heater will follow the final settings when the power is restored. The 600W aquarium heater is suitable for fish tanks 60-120 gallons, the 800W aquarium heater is suitable for fish tanks 120-180 gallons, and the 1000W aquarium heater is suitable for fish tanks 180-240 gallons.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CB8DDJ97 |
| ASIN  | B0CB8DDJ97 |
| Best Sellers Rank | #67,749 in Pet Supplies ( See Top 100 in Pet Supplies ) #161 in Aquarium Heaters |
| Brand Name | hygger |
| Color | Black |
| Customer Reviews | 3.9 3.9 out of 5 stars (151) |
| Date First Available | July 6, 2023 |
| Date First Available  | July 6, 2023 |
| Item Dimensions LxWxH | 12.32 x 5 x 1 inches |
| Item Package Dimensions L x W x H | 14.09 x 6.61 x 3.03 inches |
| Item Weight | 2.79 pounds |
| Item model number | HG066 |
| Item model number  | HG066 |
| Manufacturer | hygger |
| Manufacturer  | hygger |
| Product Dimensions  | 12.32 x 5 x 1 inches; 2.8 Pounds |
| Size | 1000W for 180-240 Galon |
| Target Audience Keyword | fish |

## Images

![hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon - Image 1](https://m.media-amazon.com/images/I/61DS+ck6pTL.jpg)
![hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon - Image 2](https://m.media-amazon.com/images/I/71hNB0k2zcL.jpg)
![hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon - Image 3](https://m.media-amazon.com/images/I/71+XAmQF2XL.jpg)
![hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon - Image 4](https://m.media-amazon.com/images/I/71RS-ta4zhL.jpg)
![hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon - Image 5](https://m.media-amazon.com/images/I/71hrJ86YjwL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Holds temperature perfectly
*by D***T on February 11, 2026*

We use this heater in an above ground tank with 2 koi and snails. In our Montana this is holding our temperature right where we want it. The way we use it makes it hard to see the LED digital display but when we take it out of the water it is easy to read.

### ⭐⭐⭐⭐⭐ Works well
*by N***K on January 21, 2026*

I have two of these in a 75gallon tank two different ones that is. Keeps temps where they need to be and no issues.

### ⭐ Does not last long.
*by B***N on January 24, 2026*

These heaters do Not last long at all. Been through two of them. The one I have now keeps cutting off. Would not recommend.

## Frequently Bought Together

- hygger Aquarium Heater, 500W 800W 1000W Submersible Fish Tank Heater with LED Digital Display Over-Temperature Protection and Automatic Power-Off, for Saltwater and Freshwater Tank up to 240 Gallon
- PAIZOO Fish Tank Digital Thermometer Accurate LED Display to ±0.9°F Tank Thermometer Aquarium Temperature Measurement Suitable for Fish, Axolotl, Turtle or Aquatic

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ie/products/553151881-hygger-aquarium-heater-500w-800w-1000w-submersible-fish-tank-heater](https://www.desertcart.ie/products/553151881-hygger-aquarium-heater-500w-800w-1000w-submersible-fish-tank-heater)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-05*