Boyu · Electronic / app
PTC Digital Heater
- Heater
- 300–1,000 W
Large aquariums that need serious heating with accurate control.
4 models
Eheim · Electronic / app
Eheim thermocontrol+e
The thermocontrol+e is a glass heater with WiFi built in. You set the temperature from a browser, and it e-mails you if the water drifts more than 2 °C from target. It can also link to Eheim filters and lights to run a slightly cooler night.
Updated
150–300 W3 models
Will it suit my tank?
litres
Best for
Larger tanks where you want remote alerts about temperature, especially if you are away a lot.
Worth knowing
Smallest size is 150 W for 200 litres and up, and it must be mounted upright, which can be awkward in some sumps.
What stands out
- Set 18 to 32 °C from a phone, tablet or computer
- E-mail alert if temperature drifts by ±2 °C
- Expert mode lets you calibrate against your own thermometer
- Day and night temperature via Eheim's digital family
Models and specs
| Model | Heater | Tank size | Length |
|---|---|---|---|
| 150 W | 150 W | 200–300 L | 32.7 cm |
| 200 W | 200 W | 300–400 L | 38.6 cm |
| 300 W | 300 W | 600–1,000 L | 48.6 cm |
- Brand
- Eheim
- Temperature range
- 18 to 32 °C
- Accuracy
- ±0.5 °C
- Control
- WiFi via web browser
- Cable
- 1.7 m
- Diameter
- 3.2 cm
- Water type
- Freshwater and marine
- Warranty
- 3 years
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
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- Heater
- 500–1,000 W
- Tank size
- 300–900 L
Large display tanks and sumps.
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XRB Intelligent Heater
- Heater
- 600–1,000 W
- Tank size
- 300–900 L
Large tanks and sumps.
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SunSun · Electronic / app
YRB-250 Remote Heater
- Heater
- 500 W
Large tanks where you want to check and set temperature easily.
1 model
Frequently asked questions
Quick answers about the Eheim thermocontrol+e, drawn from its specs.
What size tank is the Eheim thermocontrol+e for?
The maker rates it by model: 150 W up to 300 L, 200 W up to 400 L, 300 W up to 1,000 L.
What wattage is the Eheim thermocontrol+e?
150 to 300 W across the range. As a rule of thumb that covers roughly 100–300 L in a normally heated room, at about 1 W per litre.
Who is the Eheim thermocontrol+e best for?
Larger tanks where you want remote alerts about temperature, especially if you are away a lot.
Is there anything to watch out for with the Eheim thermocontrol+e?
Smallest size is 150 W for 200 litres and up, and it must be mounted upright, which can be awkward in some sumps.
What are the alternatives to the Eheim thermocontrol+e?
Other heaters worth comparing: Boyu PTC Digital Heater, SunSun ARB Digital Heater, SunSun XRB Intelligent Heater. Add any of them to the compare table to see the specs side by side.