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Finnex HMU 300WFinnex
Heater
Heater

Finnex HMU 300W

by Finnex

Finnex HMU — submersible titanium heater unit with an external digital controller and remote probe; non-resumable fuse adds a redundant safety layer.

midController-ready
Power
300 W
Controller ready
Yes
Safety
Titanium element
Launched: 2024
Compatibility with your build
Start a build to see compatibility for this product
Specifications

The full sheet

Specs
Power
300 W
Controller ready
Yes
Safety
Titanium element
Manufacturer & warranty
Released
2024
Build & materials
Materials
Titanium heating tube
In the box
300W titanium heater element · Digital controller · Remote temperature probe · Safety guard
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
Buy from

Where to get it

Amazon (US)
$60
Free with Prime
$60 total
Estimated price — verify at checkout
Go to retailer

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Works well with

Compatible tanks

Alternatives

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Frequently asked

What are the key specs of the Finnex HMU 300W?

Power: 300 W. Controller ready: Yes. Safety: Titanium element.

How much does the Finnex HMU 300W cost?

The Finnex HMU 300W costs around $60. Retailers price it differently, and ReefPicker lists the offers it has for your region on the Finnex HMU 300W product page.

Which tanks is the Finnex HMU 300W compatible with?

Based on ReefPicker's compatibility checks, the Finnex HMU 300W fits tanks including Seapora Edge Series Reef-Ready 75 Gallon, Ultum Nature Systems 60C, Waterbox AIO 65.4. Add it to a build on ReefPicker to check it against your specific tank.