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 YRB-800 Electronic Heater
An electronic heater with an external controller that holds temperature to about 1 °C and remembers its setting after a power cut. Also sold as the ZRB series.
Updated
100–500 W4 models
Will it suit my tank?
litres
Best for
Mid to large tanks where you want to set and read temperature outside the water.
What stands out
- 100 to 500 W
- External digital controller
- Remembers setting after power loss
- 20 to 35 °C
Models and specs
| Model | Heater | Length | Suits tank length | Temperature range |
|---|---|---|---|---|
| YRB-810 | 100 W | 25 cm | 40-60 cm | 20 to 35 °C |
| YRB-820 | 200 W | 29 cm | 50-70 cm | 20 to 35 °C |
| YRB-830 | 300 W | 29 cm | 80-100 cm | 20 to 35 °C |
| YRB-850 | 500 W | 33 cm | 100-120 cm | 20 to 35 °C |
- Brand
- SunSun
- Control
- External digital thermostat
- Also sold as
- ZRB-810 to ZRB-850
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 YRB-800 Electronic Heater, drawn from its specs.
What wattage is the SunSun YRB-800 Electronic Heater?
100 to 500 W across the range. As a rule of thumb that covers roughly 67–500 L in a normally heated room, at about 1 W per litre.
Who is the SunSun YRB-800 Electronic Heater best for?
Mid to large tanks where you want to set and read temperature outside the water.
What are the alternatives to the SunSun YRB-800 Electronic 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.
What sizes does the SunSun YRB-800 Electronic Heater come in?
4 options: YRB-810, YRB-820, YRB-830, YRB-850.