Aquatop's DDC-800 Digital Controller offers precise control to ensure stable water temperatures for all aquatic livestock. With a highly visible dual digital LED display, the DDC-800 includes adjustable high and low temperature settings with audio alerts. This advanced controller utilizes heavy-duty, three-prong receptacles and offers overheating protection. Each unit is equipped with a dual relay interwork that doubles the protection and safety of aquatic life by disabling the heating element in case of overheating. This highly accurate digital controller eliminates temperature fluctuations and is the perfect addition for saltwater and freshwater systems.

DDC-800 Digital Controller Specs:

• Digital Controler with Sleek Aquatop 800 Watt Titanium Tube Heater
• Control Range: 65°F - 98°F
• Three prongs power receptacle works with any heater up to 1,000-Watts
• LED water temperature reading
• Good for aquariums up to 270 Gallons
• Accuracy: +/- 1.8°F
• Overload Fuse: 12A
• Volt/Freq: 110-120V/60Hz

Aquatop's TH-C series of fully submersible titanium heaters with controller offers a compact design for versatile placement and are extremely durable thanks to the tough titanium heating element construct. Temperature range is 68°F - 92°F, and each unit has a separate temperature probe to help ensure even temperature readings.

• Temperature range is 68°F - 92°F
• Ultra tough titanium construct
• Easy-to-read temperature indicator
• Remote sensor for accurate temperatures
• For fresh or saltwater systems
• Perfect for Turtles or Large Fish

Heater available in the following models:

TH-C100 100 Watt Titanium Heater with Controller

• Wattage: 100 Watts
• Voltage/Freq: 110V/50-60Hz
• Capacity: Up to 35 Gals
• Height: 16.5cm/6.5in
• Accuracy: +/- 1.8° F

Penn-Plax Cascade Heat Aquarium Heaters accurately maintain the desired temperature in your tank. Available in sizes to match the size and volume of your tank, these heaters are factory preset to 76 degrees Fahrenheit making them ready to use in most aquatic environments. Can be set to your desired temperature using the visible temperature setting scale and is accurate to 1 degree Fahrenheit. Just plug it in and these heaters will safely and efficiently bring the temperature to your set level. Fully submersible, these heaters can be placed horizontally or vertically in your tank and will automatically maintain the desired temperature level. Made with superior insulation, these heaters provide excellent heat distribution over the entire element. The heavy duty shock-resistant glass gives these heaters a long life and makes them safe for your aquarium and your pets. Each heater comes with two suction cups for easy and secure placement in your aquarium.

• Accurately maintains the desired temperature in your tank
• Fully submersible and can be placed horizontally or vertically in your tank
• Easy to set and accurate to 1-Degree Fahrenheit.

Available Sizes:

• 5 Gallons - 25w (7")
• 10 Gallons - 50w (7")
• 20 Gallons - 100w (8")
• 30 Gallons - 150w (10")

Fully submersible aquarium heater

• Thermo safety control
• Precise temperature regulation (adjustable dial)
• On off indicator light
• 65 -93 F
• Double insulated safety cable

Available Sizes:

• 150 W - Up to 79 Gallon
• 250 W Up to 159 Gallon
• 300 W Up to 264 Gallon

Floating Thermometer with suction cup 

The GloFish Submersible Heater is designed to keep your aquatic fish comfortable, with an electronic thermostat that automatically maintains a consistent water temperature of 78 degrees and prevents overheating, extending heater life. An indicator light lets you know when the water is heating (red light) and when it reaches the proper temperature (green light). Inside, silicon carbide crystals improve heat distribution and transfer. The strong glass tube is heat and shock resistant. This submersible heater is easy to use – just attach to the inside of the aquarium wall using the suction cup (included) in an area with good water circulation. Use the GloFish Submersible Heater in aquariums up to 10 gallons.

• INDICATOR LIGHT: The red light shows when water is heating; green indicates that the heater is on standby.
• EASY TO USE: Just attach to an aquarium wall – the suction cup securely attaches heater to tank.
• SIZE: Use this 50-watt heater for aquariums 2 to 10 gallons.