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AquaTop TH-C400 400 W Titanium Aquarium Heater with Controller

Model: TH-C400 · US configuration

AquaTop TH-C400, 400 W titanium heater with controller and labelled carton
Exact-model retailer image · TH-C400 · identification only

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400 W fully submersible titanium TH-C heater with separate temperature probe, adjustable 68–92°F control and a manufacturer-stated maximum of 125 US gallons.

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Why consider this model?

  • A possible fit for a freshwater or saltwater aquarium at or below the manufacturer-listed 125-US-gallon maximum when an adjustable titanium heater, in-tank placement, the external controller and the listed body dimensions suit the setup.

Tradeoffs to weigh

  • This is a single 400 W size, not a guaranteed heat-output recommendation: AquaTop gives no minimum tank volume or room-to-water conditions for the 125-gallon maximum. The source pages do not document a shatterproof-body rating, numeric temperature accuracy or whether the indicator reports measured water rather than the setting. Use the exact instructions and nameplate; verify actual water temperature independently.
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