hygger Aquarium Heater Adjustable Triple-Power, Submersible Fish Tank Heater Four Season Power Change, with Digital Controller Abnormal Error Stop Protection for Freshwater Saltwater (400W-800W-1200W)

Product description

To Safeguard Your Aquarium Environment

hygger Year-Round Submersible Aquarium Heater

• Compensate for natural nighttime temperature drops.

• Counteract cooling from air conditioning drafts or windows.

• Provide unprecedented temperature stability to greatly reduce fish stress.

• Offset significant temperature swings caused by seasonal changes.

• Prevent the heating element from sudden, complete all failure.

ONE Heater with 3 Independent Heating Tubes Inside Model 1(400W-800W-1200W) for 95Gal ~ 140Gal

Each heating tube element can be used individually or in combination by adjusting the wattage, making it suitable for different tank sizes and seasons.400W: One heating tube operates.800W: Two heating tubes operate.1200W: All three heating tubes operate. Model 2(500W-1000W-1500W) for 140Gal ~ 190Gal

If one heating tube element fails, the others can still be used, serving as backup heating elements, so you don’t have to worry about the entire heating system failing.500W: One heating tube operates.1000W: Two heating tubes operate.1500W: All three heating tubes operate.

External Controller Operation POWER SET

Due to losses from other power lines and electronic components, the wattage may sometimes be lower than the set wattage. Conversely, residual heat from the heating element can cause the displayed wattage to be higher than the set wattage, so the power display is not a fixed value.

TEMPERATURE SET

With a single display showing live power, current temperature, and set temperature, you have all the information: your target, the current status, and the effort being made to get there. It’s total command of your tank’s climate.

Suitable For All Seasons

Overheat WarningLow Temperature WarningSensor Fault Anti-Dry Burn Protection

If the heater is exposed to the air, the display screen will flash and show “Auto shut off “, then emit a warning signal. Once the heater is fully submerged in water, it resumes its operation.

1.3㎡ Special Power Cord

This upgraded multi-wattage heater is equipped with a heavy-duty power cord that exceeds standard thickness, ensuring safe current capacity and enhanced durability, to reliably handle the current demands of all power settings.

Temperature Setting Button: 59°F~93℉/15°C~34°C (℉ or ℃ display,press and hold the temp set button for 8 seconds to switch)The red rotating indicator light on the side indicates heating, while a white light and a power display of 0W indicate that heating is paused.

Easy to Use

Note that the heater unit is a bit heavy; it is recommended to install it at the bottom of the fish tank and secure it with suction cups.Memory function: no need to reset settings after a power outage.External controller, no worries about wet hands during setup; simply pick it up and use it. Aquarium Heater Size Parameters

The 6.2ft + 3.9ft power cord is long enough to meet the installation requirements and is perfectly sufficient.The large control panel display and buttons are easy to set up and operate, allowing for real-time monitoring and clear visibility.

Product Parameters

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Customer Reviews

4.2 out of 5 stars 32

4.2 out of 5 stars 32

3.9 out of 5 stars 102

4.8 out of 5 stars 28

3.5 out of 5 stars 13

4.1 out of 5 stars 230

Price

$59.99$59.99

$69.99$69.99

$15.99$15.99

$23.99$23.99

$37.99$37.99

$39.99$39.99

Watts

400W-800W-1200W

500W-1000W-1500W

15W/50W

100W/200W/300W/500W

50W/100W/200W/300W/200W

75/150/300/500/800/1200W

Voltage

AC110-120V/60Hz

AC110-120V/60Hz

AC110-120V/60Hz

AC110-120V/60Hz

AC110-120V/60Hz

AC110-120V/60Hz

Cord Length

3.9ft+6.2ft

3.9ft+6.2ft

4.9ft+4.9ft

4.9ft+4.9ft

4.92ft+4.92ft

3.2ft+4.9ft

Application

95Gal ~ 140Gal

140Gal ~ 190Gal

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Control Range

59°F to 93°F

59°F to 93°F

64°F to 95°F

64°F to 95°F

68°F to 90°F

59°F to 93°F

Tanks

for Saltwater & Freshwater

for Saltwater & Freshwater

for Saltwater & Freshwater

for Saltwater & Freshwater

for Saltwater & Freshwater

for Saltwater & Freshwater

Package Dimensions ‏ : ‎ 13.35 x 5.08 x 5 inches; 3.11 Pounds
Item model number ‏ : ‎ HG201
Date First Available ‏ : ‎ October 14, 2025
Manufacturer ‏ : ‎ hygger
ASIN ‏ : ‎ B0FW4CKYS7
Best Sellers Rank: #99,375 in Pet Supplies (See Top 100 in Pet Supplies) #193 in Aquarium Heaters
Customer Reviews: 4.2 4.2 out of 5 stars (32) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
EXTERNAL CONTROLLER TRIPLE-GUARD: This heater for aquarium with Power Display, allows real-time monitoring of energy consumption and selection of the most suitable heating solution. With Current Temp and Set Temp Display, provides real-time information for comparison, enabling quick identification of anomalies and rapid adjustments
EXTERNAL CONTROLLER BUTTON SETTINGS: Wattage Selection Button, 3 wattage options for each submersible aquarium heater(400W-800W-1200W, 500W-1000W-1500W ). The settings allow you to select 400W or 500W to activate one heating tube, 800W or 1000W to activate two heating tubes, and 1200W or 1500W to activate three heating tubes. Temperature Setting Button, temperature range 59°F~93℉, three-digit display
YEAR-ROUND HEATER: Choose between three power settings to match your needs, this hygger aquarium heater suitable for use in a variety of climates and temperatures. Lowering the power in summer prevents overheating, while increasing the power in winter ensures sufficient heating. The innovative three-tube operate independently design, one tube were to fail, the others continue to operate
UPGRADED VERSION ADJUSTABLE HEATER: Adjustable power aquarium heaters can flexibly adapt to temperature changes in different seasons, especially in climates and homes with significant variations. For example, in warmer seasons or rooms with higher ambient temperatures, lowering the power consumption saves energy. They are also suitable for different sizes of aquariums, or for larger aquariums in future upgrades
HIGH QUALITY & RELIABLE: The premium quartz tube is scientifically and precisely designed, providing stable and reliable operation for many years. It has a sturdy plastic outer casing for protection against impacts. The fish tank water heater suitable for freshwater and saltwater
Dry-Hand Safety Protection: Forgot to refill after evaporation, and tank cleaning. Our hygger aquarium heater has you covered. If accidentally taken out of water or water level drops, it shuts off power to prevent burnout or overheating, while a flashing screen and audible beep get your attention. Simply re-submerge it, goes back to work
STABLE TEMPERATURE CONTROL: The integrated sensor actively monitors the water. The aquarium water heater instantly begins heating when the temperature drops just 1℉ below your set point, the marquee turns red. Once the target temperature is perfectly reached, heating stops and the unit enters a low-power monitoring mode and power displays 0W. This ensures minimal temperature fluctuation and optimal energy efficiency
MEMORY FUNCTION: When power is restored after a power outage, the submersible fish tank heater will maintain its previous temperature setting. Multiple protection, with overheat warning. Low temperature warning. Sensor fault notification. ℉ or ℃ display,press and hold the temp set button for 8 seconds to switch