Sunsun JRB 230

The Sunsun JRB 230 is a submersible glass heater from SUNSUN. Anti-explosion glass tube, fully submersible, built-in thermostat with auto shut-off, over-temperature protection with error display, LED indicator, suction-cup mount. It is built for reliable, low-maintenance operation and is fully compatible with everyday aquarium setups.

Quick Specifications

Type	Submersible glass heater
Brand	SUNSUN
Wattage	300 W
Suitable for tanks up to	up to ~300 L
Temperature range	20–35 °C

Features

• anti-explosion glass tube
• fully submersible
• built-in thermostat with auto shut-off
• over-temperature protection with error display
• LED indicator
• suction-cup mount

Why choose this?

The Sunsun JRB 230 is a solid choice for aquarists who want dependable performance without overcomplicating the setup. Pair it with appropriately sized media or accessories for the best results, and follow regular cleaning to keep it running at peak efficiency.