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Hydor Theo

Hydor Theo Hydor Theo Hydor Theo
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The Hydor THEO aquarium heater has all the necessary features for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product. With it being shock... more
  • Next day delivery on orders before 2pm
  • Free delivery on orders over £50
  • Lowest Price Guarantee
  • 60 day returns
Item Availability RRP Price Qty Add Item
Hydor Theo 25w
code: T11704
Out of stock
(click for alert)
More stock due in 8 days
£23.49 £17.78
Hydor Theo 50w
code: T11104
Out of stock
(click for alert)
More stock due in 8 days
£24.49 £18.92
Hydor Theo 100w
code: T11204
In stock £25.49 £19.94
Hydor Theo 150w
code: T11604
In stock £27.99 £20.98
Hydor Theo 200w
code: T11304
In stock £30.99 £22.91
Hydor Theo 300w
code: T11404
Out of stock
(click for alert)
More stock due in 8 days
£31.99 £24.55

The Hydor THEO aquarium heater has all the necessary features for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product. With it being shock resistant and shatter proof it is a valuable piece of kit when keeping larger species of fish and turtles, for yours and the fishes safety.

    Product characteristics at a glance

  • The patented PTC heating system guarantees operation in complete security because in case of dry running there is no danger for damage.
  • Graduate Scale: Precise maintenance of set temperature.
  • Free Positioning: Can be placed vertical, horizontal and completely submerged.
  • Shock resistant, thanks to the PTC heating element and shatter-proof glass tube.
  • Universal Heater - Suitable for Marine and Tropical Aquariums.
  • Comes with a 2 Year Guarantee.
Product Specification
Wattage Tank Size Guarantee Size
Theo 25w 25w 10 - 25ltr 2 Year 7 inch
Theo 50w 50w 20 - 50ltr 2 Year 7 inch
Theo 100w 100w 60 - 100ltr 2 Year 9 inch
Theo 150w 150w 90 - 150ltr 2 Year 12 inch
Theo 200w 200w 100 - 200ltr 2 Year 12 inch
Theo 300w 300w 200 - 300ltr 2 Year 15.5 inch
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