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EHEIM thermocontrol e 200 Adjustable Aquarium Heater

Model: thermocontrol e 200 (Type 3637) · US configuration

EHEIM thermocontrol e 200 W aquarium heater beside its carton; visible product and package markings show 220–240 V.
Official 200 W model reference · pictured 220–240 V regional version; North American supply differs.

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A 200 W adjustable, fully submersible glass heater for aquariums rated up to about 400 L / 106 US gal, with a 68–90°F control range and freshwater and marine-water support.

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Why consider this model?

  • Consider the 200 W Type 3637 for an aquarium in EHEIM's approximate 300–400 L range (up to 106 US gallons) when an adjustable 68–90°F thermostat and roughly 15.6 inches of vertical heater clearance fit the plan.

Tradeoffs to weigh

  • Its 106-gallon rating does not guarantee a target temperature in a cold or exposed aquarium. The glass body is described as impact resistant, not shatterproof; check the exact North American voltage label, vertical mounting, water marks and flow before setup.
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Manufacturer information