Aquatop Submersible Glass Heater with Guard

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The HTG Series is our premier line of fully submersible glass heaters with thermostat control. Our HTG heaters offer a compact design for versatile placement and are extra durable due to the built-in glass element. The thermostat control makes it simple and easy to adjust the temperature setting and the sturdy guard helps to protect the glass heater from accidental breakage from large fish or turtles.. Aquatop's HTG Series is suitable for both freshwater and saltwater use.

Why a guard? Many reasons... If you have big aggressive fish, the guard protects against the heater breaking as easy. Maybe you are putting the heater in an acrylic sump? It's nice to have that extra layer between the heating element and the sump material. And it looks cleaner.


  • Fully Submersible
  • Advanced Design
  • LED Indicator Light
  • Includes protective guard
  • Easy To Use Temperature Setting
  • Adjustable Temperature Dial
  • Suitable For Fresh And Saltwater Use