Pawfly Preset Aquarium Heater Submersible 100W with Electronic Thermostat Fish Tank Heater, 20 Gallon

Perfect for 5 to 20 gallons freshwater, marine and tropical aquariums.
Preset to 78?? F: With built-in electronic thermostat, PH100 will automatically maintain water at 78??2?? F which is ideal for most tropical fish. NOT ADJUSTABLE and no adjustment needed.
Automatic Shut-off: A LED indicator light displays red when heating and will turn out to avoid overheating when the preset temperature is reached.
Shatter Resistant: Thick Quartz Glass is heat resistant, shatterproof to keep your fishes safe. UL listed, free from risk of fire, electric shock.
Submersible and Compact: 2 Strong suction cups tightly fix the heater fully submersible to the tank vertically or horizontally. Small size makes it easy to hide and save space.

Simple & Reliable Heater

The temperature of your aquarium is an important factor in the comfort and well-being of your fish. Pawfly heaters with built-in automatic thermostat which is perfect for maintaining aquarium temperature.

100W Preset Aquarium Heater

Pawfly preset submersible heater is compact in size and ideal for tanks that are 20 gallons or smaller but not adjustable. It keeps the water temperature at a consistent 78 degrees F, which is appropriate for the most popular tropical fish species found in home aquariums.

The heater can be fully submersed into the water, and since it is small in size, it is easily hidden from view. You can install it either vertically or horizontally in both freshwater and saltwater aquariums.

Preset to 78 ??F with Built-in automatic thermostat
Small in size, suitable for tanks 5 – 20 gallons
Easy to install and fully submersible
Can be placed vertically or horizontally


Preset of 78??F To keep the water at the right temperature of 78 degree F consistently for the most popular tropical fish species. The temperature won??t change suddenly or frequently would make your fish happy and healthy.	Explosion-proof Quartz Glass Made of a shatter-resistant tempered quartz glass, which helps to keep your fish and other aquarium dwellers safe. Additionally, it can be used in both freshwater and saltwater aquariums.	Fully Submersible The aquarium glass submersible heater must be fully immersed. Install it either vertically or horizontally by attaching the suction cups to the glass of the tank.


	HT-6025	HT-6050	HT-6100	AH-050	HS-5010	HS-1005
Power	25W	50W	100W	50W	50W	100W
Dimension	8.2″ x 1″ (L x D)	8.6″ x 1″ (L x D)	9.7″ x 1″ (L x D)	6.3” Lx 1” (L x D)	5.4″ x 1″ (L x D)	6″ x 0.8″ (L x D)
Aquarium Capacity	5 – 10 Gallon	5 – 15 gallons	10 – 25 gallons	5 – 20 gallon	5 – 15 gallons	5 – 20 gallons
Temperatures Control	Adjustable from 68??F to 93??F	Adjustable from 68??F to 93??F	Adjustable from 68??F to 93??FAdjustable from 68??F to 93??F	Adjustable from 65??F to 89??F	Not Adjustable.Preset to 78 ??F	Not Adjustable.Preset to 78 ??F