Heaters · electronic-adjustable
Fluval E100
Manufacturer-rated for aquariums up to 30 US gal; adjustable 68–93°F.
100 W submersible heater with digital temperature display, dual sensors, and fish guard.
Specifications checked with the manufacturer on 2026-09-07.
Consider: The body is 11.75 inches tall. Check the available mounting space and water depth before choosing it for a shallow tank.
US product record · Model / item A772. Confirm the model and package contents before purchase.
Specifications that affect fit
- Manufacturer capacity
- Up to 30 US gal
- Power
- 100 W
- Supply voltage
- 120 V / 60 Hz
- Dimensions
- 2 × 1.25 × 11.75 in (L × W × H)
Use the exact nameplate watts and your real schedule in the aquarium electricity cost calculator. Leave an unpublished wattage blank.
Before choosing this model
- Size for tank volume and the required rise above room temperature.
- Verify temperature with a separate thermometer.
Read the equipment selection guide alongside these model details. A rated capacity does not settle livestock needs, room conditions or physical clearance.
Included items & upkeep
- heater
- fish guard
- mounting bracket
Plan for the routine work
- Unplug and allow the heater to cool before removal.
- Keep the sensor and exterior free of deposits per the manual.
Enter your own supply prices and replacement schedule in the first-year cost planner. Use the exact manual for maintenance intervals and service steps.