Cobalt Accu-Thermal Heater 50 W (Glass)
The all new Cobalt Aquatics ACCU-Thermal fully submersible heater features an easy-to-set thermostat with an ON/OFF indicator light. The unit is equipped with a Triac that turns the heater on and off at lower voltage to extend its life and improve reliability. The thermostat is computer tested and accurate to +/-2 degree F.
The heater includes a borosilicate glass tube, known for superior heat and shock resistance, which surrounds a high-quality ceramic heat radiator. This design ensures even and efficient heat distribution from the heating elements.
Perfect for use in both freshwater and saltwater aquariums. Available in 25 to 300 watt sizes.
| Feature | Specification |
|---|---|
| Heating Power | 50 W |
| Material | Borosilicate glass tube, ceramic heat radiator |
| Thermostat Accuracy | ±2°F |
| Heater Type | Submersible, fully waterproof |
| Warranty | 3 years |
FAQ
What is the accuracy of the thermostat?
The thermostat is computer tested and accurate to ±2 degree F.
Is this heater suitable for saltwater aquariums?
Yes, this heater is designed for both freshwater and saltwater aquariums.
What material is the heating tube made of?
The tube is made of borosilicate glass for superior heat and shock resistance.
Nicola Bower –
Installed the heater in my 55-gallon saltwater tank. It maintains the temperature consistently and the glass tube is very sturdy. No leaks or overheating issues after two months of use. Easy to set up and the ON/OFF light helps monitor operation.
Sue Dyer –
Works well in my freshwater tank. The ceramic radiator distributes heat evenly and the thermostat stays accurate. Only minor adjustment needed to match the tank’s temperature.
Dorothy Berry –
Highly reliable. The borosilicate glass is durable and the heater has not cracked even after daily use. Temperature control is precise and the unit remains quiet during operation.
Ella Burgess –
Good value for the 50W output. Keeps the tank warm in cooler rooms. The indicator light is helpful for checking if it’s on or off without opening the tank.