Petco Submersible Aquarium Heaters Create the ideal aquarium environment for either freshwater or saltwater fish with the help of our slim-line Petco Submersible Aquarium Heater. Designed to virtually disappear when mounted in your tank, this easy-to-set-up heater is made with shatter-resistant quartz tubing and features a variable temperature thermostat. UL listed.
Designed to virtually disappear when mounted in your tank
Mounts vertically or horizontally
Shatter-resistant quartz tube
Easy-set, variable-temperature thermostat
Features a safety shut-off
Product Information Specifications for Petco 300 Watt Submersible Aquarium Heater Below:
The first shatterproof heater thanks to the peculiar glass tube. Maximum security THEO is shock resistant thanks to the PTC heating element and the shatterproof glass tube. Free positioning in aquarium with supplied suction cups. Selflimiting the patented PTC heating system guarantees operation in complete safety because in case of dry running there is no danger for damage.
Hydor Theo Compact Aquarium Heater (15.5in (300w)) (Black)
Compact, shatterproof aquarium heater with PTC (Positive Thermal Coefficient) technology. Automatic overheating control system. Temperature controlled by a high-precision micro switch. Works in both horizontal and vertical positions. Can also function if buried under aquarium gravel. Choice of 2 sizes: 12in - 150w, 15.5in- 300w.
Aquarium heater made from thickened safety glass with new positive click control for temperature adjustment. Sizes: 300w - 122in long, for 135 to 270 liter tanks. 200w - 91in long, for 90 to 180 liter tanks, 150w - 76in long, for 68 to 135 liter tanks. 100w - 61in long, 45 to 90 liter tanks. 50w - 46in long, 23 to 45 liters. 25w - 5 to 30 liters.
Installation: 1. For aquarium in-door use only. 2. Check power supply, power outlet, and voltage in comply with rated values. 3. To set desired temperature, turn the adjustment knob of Thermostat to the desired temperature. 4. Put Heater into aquarium, submerged in full, at a position with good water circulation. Note: 1. Fix Heater body with suction cup into water. 2. Plug Thermostat into Power outlet, the pilot green will come on. The pilot red light will come on for timer the heater is heating. Temperature is achieved when heat source light turns on and off. 3. To avoid inaccurate detection, the Heater must be completely immersed in the water. 4. Do not mount Thermostat in areas subject shock, vibration, high temperature, moisture, or rain. In case Thermostat body dropped into water or invaded by water, disconnect the power as soon as possible, and then bring this product to authorized shop for repair. 5. For your safe and avoid the dangerous, please cut off the power before changing water and off the aquarium and wait for 15 minutes to move. 6. The most depth it can reach is 1 meter. 7. In order to ensure safety reason, please pay attention to the change of the temperature in the water for the first 2 days. 8. For safety reason, please don't disassembly the Thermostat or Heater by yourself.
250 Watts, Shock Resistant & Shatter Proof Glass Thermostat Heater for Fresh or Marine Water
All 9 EHEIM Heater models are 100-percent fully submersible and come with a new TruTemp dial that allows the user to recalibrate the heater within a +/- 0.5F degree accurancy for percise temperature readings.