Due to staff holidays we have had to closed our mail order delivery service for a days - orders placed after 12 noon 4th August will not be dispatched until Monday 22nd August. The shop in Rawcliffe is open as normal.
Telephone: 01405 839996
EHEIM Thermopreset Aquarium Heaters - 4 sizes
Item code: EH50W
£ 19.50
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The electronic control guarantees an extremely high temperature accuracy, the highly efficient heating element ensures an even heat distribution.

Advantages of the EHEIM thermopreset heater

  • High user-friendliness thanks to preset temperature
  • Due to short lengths also usable in small basins
  • Very narrow and therefore less visible in the aquarium
  • Plastic protection ensures high mechanical stability 
  • High temperature accuracy due to electronic control
  • Even heat distribution thanks to the highly efficient heating element
  • With dry-running protection
  • LED control lamp indicates the heating function
  • Secure fixing by means of the included suction cups
  • Suitable for freshwater and marine water
  • 3 years warranty


The new heater is available in four different performance classes, which are indicated by the number in the product name:
thermopreset50 (50W) for tanks 50-60 litre
thermopreset100 (100W) for tanks 100-150 litre
thermopreset150 (150W) for tanks 200-300 litre
thermopreset200 (200W). for tanks 300-400 litre
Common to all variants is the slim design with a diameter of only 2,8cm and a length of 17 to 25cm.

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