RH-100 100W

The Resun RH-100 100W submersible heater provides reliable and stable temperature control for freshwater or marine aquariums up to 100 liters. Featuring a thick borosilicate glass sleeve with high thermal conductivity, it is highly resistant to impact and temperature shocks. The top dial allows smooth temperature adjustments, and the integrated thermostat automatically cuts power once the target temperature is reached.

Key Features

• Durable Borosilicate Casing: Engineered with heavy-walled glass to prevent cracking and withstand thermal shifts.
• Graduated Temperature Dial: Simple top adjustment dial to customize target temperature for tropical fish.
• Integrated Red LED Light: Provides visual confirmation when the heater is actively drawing power.
• Protective Bumper Guard: Includes a plastic bottom cap to isolate glass from direct contact with hard decor.