Turn the temp seeting knob clockwise a little bit till the heater turns on.
Top fin 50 watt aquarium heater instructions.
When you do the heater just started to heat.
The issue is that it doesn t specify how to set a particular temperature in the heater.
An aquarium heater without an adjustable thermostat also means that the heater cannot be adjusted to account for differences in power stability or for age of the heater and components.
Large aquariums lose heat more slowly than small tanks allowing you to buy a heater with as few as 3 watts per gallon.
Instruction manual submersible aquarium heater the aqueon aquarium submersible heaters are listed by underwriters laboratories to ensure that they meet the stringent u s.
If it is set to 28 c the heater will heat the water to 28 c and then will switch off when that temperature is reached.
And canadian safety requirements.
Ta50h 50w ta100h 100w ta150h 150w ta200h 200w and ta300h 300w 120 volts 60 hz 300149903 feb2017.
For example a 20 gallon tank would require a 100 watt heater.
This is all the instruction paper says about this matter i quote.
Now before any snotty smarty pants out here tells me to read the instruction paper i have.