Boyu · Electronic / app
PTC Digital Heater
- Heater
- 300–1,000 W
Large aquariums that need serious heating with accurate control.
4 models
SunSun · Electronic / app
SunSun XRB Intelligent Heater
A 600 or 1,000 W heater with an external controller, from SunSun's Xiaoli line, for 300 to 900 litre tanks.
Updated
600–1,000 W2 models
Will it suit my tank?
litres
Best for
Large tanks and sumps.
What stands out
- 600 or 1,000 W
- External controller
- 20 to 35 °C
- 2 m cable
Models and specs
| Model | Heater | Tank size | Length | Cable | Temperature range |
|---|---|---|---|---|---|
| XRB-600 | 600 W | 300–500 L | 32 cm | 2m | 20 to 35 °C |
| XRB-1000 | 1,000 W | 700–900 L | 36.5 cm | 2m | 20 to 35 °C |
- Brand
- SunSun
- Control
- External controller
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
Browse all heaters
Eheim · Electronic / app
thermocontrol+e
- Heater
- 150–300 W
- Tank size
- 200–1000 L
Larger tanks where you want remote alerts about temperature, especially if you are away a lot.
3 models
UNS · Electronic / app
Micro Aquarium Heater
- Heater
- 10–20 W
- Tank size
- 3.8–18.9 L
Betta tanks and nano cubes under 20 litres where a normal glass heater would dominate the tank.
2 models
SunSun · Electronic / app
ARB Digital Heater
- Heater
- 500–1,000 W
- Tank size
- 300–900 L
Large display tanks and sumps.
3 models
Frequently asked questions
Quick answers about the SunSun XRB Intelligent Heater, drawn from its specs.
What size tank is the SunSun XRB Intelligent Heater for?
The maker rates it by model: XRB-600 up to 500 L, XRB-1000 up to 900 L.
What wattage is the SunSun XRB Intelligent Heater?
600 to 1,000 W across the range. As a rule of thumb that covers roughly 400–1,000 L in a normally heated room, at about 1 W per litre.
Who is the SunSun XRB Intelligent Heater best for?
Large tanks and sumps.
What are the alternatives to the SunSun XRB Intelligent Heater?
Other heaters worth comparing: Boyu PTC Digital Heater, Eheim thermocontrol+e, UNS Micro Aquarium Heater. Add any of them to the compare table to see the specs side by side.