The Marineland Precision 250 Watt Submersible Heater is perfect for freshwater and marine aquariums. The Marineland Precision 250 Watt Submersible Heater features a thermal safety switch to prevent heater failure during operation. The heater turns off automatically when temperature exceeds pre-set internal parameters and turns back on once it cools down.
Features:- 14-1/2" tall
- For aquariums up to 70 gallons (to raise the temp up 15°F above ambient temperature)
- Easy to adjust temperature dial sets temperature ±1°F with every "click."
- Thermal Switch: Safety feature prevents heater failure during use. Heater automatically turns off as temperature rises above an internal pre-set and turns back on once it cools down.
- Mounting Bracket: Advanced mounting bracket securely attaches to glass and provides three window positions allowing temperature display to be viewed from multiple angles.
- cUL listed
