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U-picks Aquarium Heater with External Temperature Controller, 500W

Original price was: £29.99.Current price is: £22.59. (as of 09/30/2026 03:13 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

U-picks aquarium heater with an external temperature controller, dual LED digital displays and a stated 500W rating. It is described as a submersible fish tank heater with a 20-34 ℃ adjustment range and dual sensors. Check that the power rating and tank setup suit your aquarium, and make sure the heater can be fully submerged as intended.

SKU: B0B87H25DQ Category:

Quick Summary

The U-picks aquarium heater is a submersible fish tank heater with an external temperature controller and dual LED digital displays. It is described as a 500W model, and the stated temperature adjustment range is 20-34 ℃. The design also includes dual sensors and stepwise heating for temperature control.

This version is aimed at buyers who want a heater with external adjustment and visible temperature readings. It is described for tropical fish, betta and turtle tanks, so the exact tank setup and heating requirement should be checked before choosing it.

Key Details

DetailVerified information and buyer relevance
Product typeSubmersible aquarium heater with external temperature controller.
Power500W model stated in the product name. Power rating matters for matching the heater to the tank size and heating requirement.
Temperature range20-34 ℃. Compare this with the temperature range you want to maintain.
DisplayDual LED digital displays show the water temperature and set temperature at the same time.
SensorsDual sensors are described for temperature control.
Heating controlStepwise heating is described, with the temperature rising gradually.

What to Compare Before Buying

  • Power rating: This version is stated as 500W. Check that the power level matches the size and heating needs of your aquarium.
  • Temperature range: The adjustable range is 20-34 ℃. Compare that range with the temperature you want to keep.
  • Controller position: The external controller lets you adjust the setting outside the tank, which is useful if you want easier access to the display and controls.
  • Tank setup: It is a submersible heater, so the heater body needs to be used in water as intended.

Compatibility, Size and Fit

The product is described for aquariums and fish tanks, with wording that mentions tropical fish, betta and turtle use. Check that the heater form factor and power rating suit your own tank layout and intended use before buying.

If you are choosing between versions, confirm whether you need the 200W, 300W or 500W option. The title also points to a 500W version, so the selected offer should match the power rating you want.

What Else You May Need

You will need an aquarium or fish tank that suits a submersible heater, and a setup that allows the heater to be placed in the water as intended. The heater should also be positioned where water flow helps spread heat evenly.

Safe Use and Important Precautions

The heater is described with a note to make sure it is completely submerged before switching on. It is also described as needing to be installed near an area with water flow to help prevent uneven heating. Follow the manufacturer instructions for installation and use.

Before You Decide

Confirm the exact wattage you want, the 20-34 ℃ adjustment range, and whether the external controller suits your tank setup. Also make sure your aquarium can use a fully submerged heater and that the selected version matches the power level you need.

Brand

SZELAM

Manufacturer

SZELAM

Binding

Misc.

Product Group

Pet Products

Size

500W

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