STE digital display double relay titanium heater (ETL version)
Safety and quality assurance
Memory Equipped
In event of power outage or power shortage, the heater is equipped with memory to recall preset temperature settings.
High Temp Resistant Audio Alert
Audio alert and power cut off appears if the water temperature exceeds 91.4°F, keeping the fish tank a safe condition.
Safety Dual-Circuit Control System
An additional backup control system with dual circuits and dual power-off systems. If the temperature exceeds 35°C, the heater automatically stops working, ensuring safety.
ETL safety certification. control number: 5010507
The first heater in the ”U.S. to pass ETL safety regulations” honorably produced by Shinmao.
Double Relay System
Equipped with a dual loop system, ensuring the proper operation of the heater, providing a stable and secure environment for the aquarium.
19mm Indestructible titanium
Equipped with titanium tube, corrosion resistance makes the heater virtually unbreakable for both saltwater and freshwater aquariums.
Temperature measurement sensor
Accurate temperature sensing, finely detectable to first decimal point.
| Wattage (W) | 300 | 500 | 800 |
| Voltage/Freq(V/HZ) | 110-120V/60HZ | 110-120V/60HZ | 110-120V/60HZ |
| Control Range | 20℃-33℃ | 20℃-33℃ | 20℃-33℃ |
| Water Volume (Gallons) | 80-100G* | 100-120G* | 190-270G* |