YOFOTHS Aquarium Heater 25W/50W/100W/200W, Small Fish Tank Heater, Temperature Adjustable Mini Tank Heater for 1/5/10/20/30/40 Gallon, External Temperature Controller (50W(3-10Gallon))

Product Description

Small and Accurate

It heats at a more accurate temperature and at the same time it doesn’t take up space!

External Digital Controller

Easy to operate, button adjustment, no need to wet your hands when the temperature is adjusted.

Built in Thermometer

The water temperature is directly displayed on the LED display screen, which is more intuitive.

Upgraded Chip

Although I look like others, my chip is different. It can respond quickly and accurately after sensing the water temperature.

Operation:

Press the SET button to adjust the target temperature, press once to increase by 1°F, the target temperature can be set in the range of 64-93°F. External controller is not waterproof.

Cautions:

When there is moss or other dirt on the heater surface and LED screen, it needs to be cleaned with a soft brush in time.Disconnect the power outlet and wait 15 minutes before changing the water or removing the heater.Put the fish tank heater in the water, don’t bury it.

Protection:

Code”E1″-Out of Water Protection

When the fish tank heater is not fully submerged, the controller will display an “E1” error code and stop heating. When fully submerged again, the error code will disappear and the heater will start working.

Code”H1″-Overheating Protection

When the water temperature exceeds 95°F, the heater will automatically cut off the power and stop heating and display the “H1” error code. When the water temperature is lower than 93°F, the error code disappears and the heater is in working condition.

Attention for Installation

A

When placed vertically in the fish tank, it should be 100% immersed in the water.

B

When placed horizontally in the fish tank, it should be 100% immersed in water.

C

It is forbid for exposing some main body part of heater on water when using, this will cause the heater to display the “E1” code, the heater will suspend its work, and resume work after 100% immersed in water.

D

The water level of fish tank cannot be very low, as it is easily for heater to expose on water surface, this will cause the heater to display the “E1” code, the heater will suspend its work, and resume work after 100% immersed in water.

Max tank volume
≤ 1 gallon ≤ 3 gallon ≤ 10 gallon ≤ 40 gallon

Temperature range
64-93F 64-93F 64-93F 64-93F

Power Source
USB AC AC AC

Built-in Thermometer

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Temperature Adjustable

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External Temperature Controller

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Product Dimensions ‏ : ‎ 4.49 x 1.02 x 1.02 inches; 8.78 Ounces
Date First Available ‏ : ‎ August 25, 2021
Manufacturer ‏ : ‎ YOFOTHS
ASIN ‏ : ‎ B09DKJC3ZN

【Precise and Constant Temperature】An intelligent IC chip controls the heater’s temperature. The temperature accuracy is 1℉. The fish heater will automatically start heating when the water temperature is lower than the set values and stop heating when the water temperature reaches the target.
【External Temperature Controller】Adjust the temperature from 64℉ to 93℉, This submersible heater is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s convenient and safe for you to set the temperature, No need to put your hands in the water to adjust the Aquarium Heater temperature.
【Prevent for Over Heating and Out of Water Protection】 The heater will cut off power and stop heating automatically when the fish tank heater is out of water or the water temperature is over 95F. ‘E1’ error code will be shown. The function recovered when the heater is 100% immersed in water or the water temperature goes down to below 93℉.
【Notice】During its heating time, heater must be 100% immersed into the water. Please unplug the power supply when cleaning the fish tank or aquarium water changes. Heater rod is suitable for people over 16 years of age. Children or minors should be under adult guidance or supervision to use.