RH-50 50W

The Resun RH-50 50W submersible glass heater is designed to deliver stable temperature regulation for small aquariums up to 50 liters. Built with heavy-duty borosilicate glass, it offers high resistance to thermal shocks and mechanical impacts. Temperature settings are easily adjusted via the top control dial, supported by a sensitive mechanical thermostat and a bright red status indicator LED.

Key Features

• Thermal Shock Resistant Glass: Thick borosilicate tube designed to prevent cracking under temperature changes.
• Precise Temperature Selection: Easy-to-use top dial knob for setting target water temperature accurately.
• Visual LED Indicator: Red indicator light displays clearly when the heating element is actively warming.
• Bottom Bumper Guard: Includes a plastic protective cap on the heater tip to cushion against accidental knocks.