Therma Tech Submersible Aquarium Heater
Item#: PLX037- Automatic operation and double waterproof design
- Precision-aligned contacts ensure reliability
- Quick, simple adjustment via easy-turn knob
- Cuts off radio and computer static
- Blocks interference with magnetic arc suppressor
- Available in a variety of sizes to fit most tanks
How to determine which size heater you need:
Subtract the average temperature of the room the aquarium is located in from the temperature you wish to maintain the aquarium water at. Find the size of your aquarium in the left hand column and move to the column that shows the number of degrees the aquarium needs to be heated. If the heating requirement is between levels, move up to the next larger size.
In larger tanks, or where the room temperature is significantly below the desired water temperature, two heaters may be required. Heaters should be installed at opposite ends of the aquarium to heat it more evenly.
Example:
Average Room Temp = 68 degrees F
Desired Water Temp = 77 degrees F
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Heating required = 9 degrees F
Tank Size = 20 gallon
Heater size needed = 50 watts
Dimensions
10L x 2W x 2D inches , 12L x 2W x 2D inches
Weight
Less than 1 lb
