AQQA Aquarium Heater Quartz Submersible 500-1000W Overheat Protection Tank

AQQA Quartz Aquarium Heater with Intelligent Safety Protection

Keep your aquarium water stable, safe, and comfortable with the AQQA Quartz Submersible Fish Tank Heater. Designed for both freshwater and marine aquariums, this intelligent heater features fast heating quartz rods, overheat protection, and dry-run safety alerts.

Fast & Efficient Quartz Heating

• Quartz Heating Rod: Provides fast, even heat distribution
• Durable ABS Protective Shell: Heat-resistant and built for long-term use
• Reliable Temperature Stability: Maintains consistent aquarium conditions
• Suitable for Freshwater & Marine Tanks

Advanced Safety Protection System

• Overheat Protection: Automatically shuts off when temperature exceeds 95°F
• Dry-Run Protection: Displays alert when heater is not fully submerged
• Smart Error Alerts: "EE" and "Er" warnings for safety monitoring

Intelligent Constant Temperature Control

• Automatically maintains consistent water temperature
• Reheats when temperature drops 1°F below set value
• Ideal for sensitive fish species

External Controller with Digital Display

• Easy temperature adjustment
• Temperature Range: 59°F–94°F (15°C–34°C)
• Digital LED display for monitoring
• Automatic safety lock prevents accidental changes

Tank Compatibility

• Suitable for 55–258 gallon aquariums
• Works with freshwater and saltwater tanks

Safe Usage Tips

• Always fully submerge heater before powering on
• Ensure proper water circulation
• Allow heater to cool before removing from water