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EHEIM thermocontrol e 75 Adjustable Aquarium Heater

Model: thermocontrol e 75 (Type 3633) · US configuration

EHEIM thermocontrol e 75 W aquarium heater beside its carton; visible product and package markings show 220–240 V.
Official 75 W model reference · pictured 220–240 V regional version; North American supply differs.

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A 75 W adjustable, fully submersible glass heater for aquariums up to approximately 100 L / 26.4 US gal, with a 68–90°F control range and documented fresh- and marine-water use.

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Why consider this model?

  • Consider this adjustable model when a fresh or marine aquarium falls within EHEIM's approximate 60–100 L guidance, a 68–90°F setting range suits the separately chosen target, and the 260 mm glass heater can be installed vertically in strong circulation.

Tradeoffs to weigh

  • Its stated maximum is 26.4 US gallons, its glass body is not documented as shatterproof, and the manual requires vertical full submersion, a marked water level and a label check. The rating does not guarantee heat performance in a cold room.
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