Aquarium Systems VisiTherm Submersible Heater

4 reviews
Aquarium Systems VisiTherm Submersible Heaters are available from Swell UK to allow the quick and accurate heating of your aquarium water to the right temperatures to support the aquatic life inside your tank. Best used with tropical tanks that need a little temperature boost.


  • Visitherm Mini 10
    code: VTXM10 In stock Only 1 left in stock
  • Visitherm 25w
    code: VTX25 In stock Only 1 left in stock
  • Visitherm 50w
    code: VTX50 In stock Only 1 left in stock
  • Visitherm 100w
    code: VTX100 In stock Only 2 left in stock
  • Visitherm 150w
    code: VTX150 In stock Only 2 left in stock
  • Visitherm 200w
    code: VTX200 In stock Only 2 left in stock
  • Visitherm 300w
    code: VTX300 In stock Only 3 left in stock

Product Information

Designed for use in fresh and salt water aquariums and for amphibians such as a frogs or turtles. The Aquarium Systems VisiTherm heater is a versatile and efficient addition to your set up. The heater has recently been redesigned with practicality and proficiency as a priority. The heating elements have been improved to a high standard and double encased in a quartz sleeve.

The double insulated casing allows for complete submersion of the sleeve, and this coupled with sensitive heating elements, provide and sustain the correct temperature for your tank. An easy to read thermometer style gage means you can monitor the temperature without disturbing aquatic life.

A convenient control knob sits atop the unit meaning that you can set the heater at the desired temperature easily and quickly.

Available for the smallest and largest aquariums, from 20 litres to 300. Please see the product specification for details on the correct VisiTherm heater for your tank.

As always, should you need any advice or further information please contact our sales team on 0161 351 4700.

Key Features:

  • Suitable for use with fresh, salt water and amphibian aquariums.
  • Improved design increasing accuracy and efficiency.
  • Easy to use; simply submerge and turn the control knob to set temperature.
  • Visible thermometer style indicator.
  • On/off light indicator.
  • Shock resistant, durable quartz sleeve.
  • Suction cups and support clips included.
  • Five year warranty.

[Image] High precision thermometer [Image] Five year warranty [Image] Double encased in a quartz sleeve

Product Specification

Product Size Guarantee Wattage
Aquarium Systems Visitherm Mini 10 15cm 5 Year 10w
Aquarium Systems Visitherm 25w 15cm 5 Year 25w
Aquarium Systems Visitherm 50w 15cm 5 Year 50w
Aquarium Systems Visitherm 100w 25cm 5 Year 100w
Aquarium Systems Visitherm 150w 30cm 5 Year 150w
Aquarium Systems Visitherm 200w 30cm 5 Year 200w
Aquarium Systems Visitherm 300w 35cm 5 Year 300w

Latest Customer Reviews

  • Rating
    Date 23/02/2016 23:02pm
    Aquarium Systems Visitherm 25w
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  • Rating
    Date 06/09/2016 13:09pm
    Aquarium Systems Visitherm 25w
    Feefo Logo
    Does what it says on the box, used this manufacturer previously with no problems
  • Rating
    Date 03/02/2016 06:02am
    Aquarium Systems Visitherm 300w
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  • Rating
    Date 01/01/2016 06:01am
    Aquarium Systems Visitherm 50w
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    One of the best heaters out there