NICREW 50W Submersible Aquarium Heater with External Controller

£21.99 (as of 09/30/2026 03:04 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.)

The NICREW 50W Submersible Aquarium Heater is a heater with an external temperature controller for fish tanks up to 30 litres. It is intended for freshwater and saltwater aquariums, can be fitted vertically or horizontally with the included suction cups, and switches off if water temperature exceeds 37°C.

SKU: B0CFZSX3DX Category:

Quick Summary

The NICREW 50W Submersible Aquarium Heater is an aquarium heater with an external temperature controller for fish tanks up to 30 litres. It is intended for freshwater and saltwater aquariums and can be installed vertically or horizontally using the included suction cups.

The heater also includes overheat protection that switches it off if the water temperature exceeds 37°C.

Key Details

DetailVerified information and buyer relevance
BrandNICREW, so the model can be matched against other NICREW aquarium heaters.
Product typeSubmersible aquarium heater with external temperature controller.
Power50W, which is the key figure to check for tank size and heating requirements.
Tank capacityFor fish tanks up to 30 litres.
Temperature controlExternal controller for adjusting and monitoring water temperature.
ProtectionOverheat protection that turns the heater off above 37°C.
InstallationCan be fitted vertically or horizontally with included suction cups.
Water typesSuitable for freshwater and saltwater aquariums.

What to Compare Before Buying

  • Tank size: This heater is stated for tanks up to 30 litres. Compare that with the aquarium you plan to heat.
  • Power: The heater is 50W. Check whether that matches the heat output you need for your tank setup.
  • Temperature control: The external controller lets you adjust and monitor water temperature, so compare that with the level of control you want.
  • Mounting position: It can be installed vertically or horizontally. Check which position suits your aquarium layout.
  • Water type: It is intended for freshwater and saltwater aquariums, so match that to your tank.

What Else You May Need

You will need a suitable aquarium setup that matches the heater’s stated tank size, plus a mains power connection for operation.

Before You Decide

Confirm the 30 litre tank limit, the 50W rating and the intended water type before choosing this heater. If the external controller or mounting position matters to your setup, check those points as well.

Brand

NICREW

Manufacturer

NICREW

Binding

Misc.

Product Group

Pet Products

Color

Black

Size

20 – 40 L

Energy Efficiency Class

A

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