Marina Submersible Pre-Set Heater (100W)
Powerful 100-watt Marina Submersible Aquarium Heater provides reliable heating for fresh or saltwater aquariums up to 100 litres.
The heater includes many practical features for easy use, safety and convenience, including an easy-to-access temperature set dial, on/off pilot light indicator, and a bumper guard for fish safety. Made of durable high-impact glass, it’s built to last under normal aquatic conditions.
| Specification | Details |
|---|---|
| Heating Power | 100W |
| Heating Capacity | Up to 100 litres |
| Material | High-impact glass |
| Temperature Control | Adjustable dial |
| Indicator Light | On/off pilot light |
| Bumper Guard | Yes |
FAQ
What is the maximum water volume this heater can handle?
The heater is suitable for aquariums up to 100 litres.
Does the heater come with a temperature control dial?
Yes, it includes an easy-to-access temperature set dial.
Is there a safety feature to protect fish?
Yes, it has a bumper guard to prevent fish from touching the heater.

Colin Payne –
The heater maintains a steady temperature in my 80-litre saltwater tank. The dial is easy to adjust and the on/off light helps me monitor it at a glance. The glass body is sturdy and the bumper guard keeps my fish safe.
Owen Avery –
Works well in my freshwater tank. I appreciate the temperature control and the pilot light that shows when it’s on. It’s simple to install and has been reliable for over six months.
Christopher Randall –
Great value for the power and reliability. The heater keeps my tank warm even during colder days. The glass is durable and the guard prevents my fish from bumping into it.