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Finnex STE 400WFinnex
$107
Heater
Heater

Finnex STE 400W

by Finnex

Finnex STE — complete titanium heater system; reef-safe titanium element bundled with a waterproof digital controller and safety guard. No extra accessories needed.

midController-ready
Power
400 W
Controller ready
Yes
Safety
Thermal cutoff
from$107
Compatibility with your build
Start a build to see compatibility for this product
Specifications

The full sheet

Specs
Power
400 W
Controller ready
Yes
Safety
Thermal cutoff
Manufacturer & warranty
Warranty
180 days
Build & materials
Materials
Titanium heating tube; waterproof digital controller
In the box
400W titanium heater element · Waterproof digital controller · Safety guard with suction cups
What we check

Rules this part takes part in

R6
Heating capacity
Checks wattage is adequate for your total water volume (about 1 W per litre).
See methodology
Works well with

Compatible tanks

Alternatives

Others in this category

Frequently asked

What are the key specs of the Finnex STE 400W?

Power: 400 W. Controller ready: Yes. Safety: Thermal cutoff.

How much does the Finnex STE 400W cost?

The Finnex STE 400W starts around $107, though prices vary by retailer — see current offers on this page.

Which tanks is the Finnex STE 400W compatible with?

Based on ReefPicker's compatibility checks, the Finnex STE 400W fits tanks including Seapora Edge Series Reef-Ready 75 Gallon, Aqueon Reef-Ready 90 Gallon, Fiji Cube 81 Gallon INT-M. Add it to a build on ReefPicker to check it against your specific tank.