JBL PROTEMP e300

JBL PROTEMP e300

Product Overview

The JBL PROTEMP e300 is an in-line aquarium heater designed for installation directly into the return hose of an external filter system. This configuration removes the need for a heater inside the aquarium, maintaining an unobstructed display tank.

Integrated into the filter circuit, the unit ensures even heat distribution throughout the aquarium water.

Key Features

• Power: 300W
• Suitable for aquariums from 90–300L (80–120cm length)
• In-line installation within external filter return hose
• Temperature accuracy: ±0.5°C
• Switching interval: 1.0°C
• LED display showing current and set temperature
• Interchangeable 3/4'' screw-on hose connections
• Compatible hose sizes: 12/16mm, 16/22mm, 19/25mm
• Includes hose securing fittings
• Total length: 30.5cm

Benefits

• Keeps heater equipment out of the display aquarium
• Provides uniform heat distribution through filter circulation
• Clear digital temperature monitoring
• Compatible with multiple standard hose sizes
• Supports stable temperature regulation for freshwater and marine systems

Specifications

• Power Consumption: 300W
• Recommended Aquarium Volume: 90–300L
• Temperature Accuracy: ±0.5°C
• Switching Interval: 1.0°C
• Hose Connections: 12/16mm, 16/22mm, 19/25mm
• Connection Type: 3/4'' screw-on fittings
• Total Length: 30.5cm
• Installation: External in-line (filter return hose)
• Included: In-line heater and cleaning brush