Hi Lowerz and welcome to the forums,
I'm not familiar with that particular tank but hopefully someone who is will come along. It should be relatively easy to determine whether the setup has its own heater and it would likely have a separate electrical cord rather than share one with the filter pump. In most setups where the heater is "captured" inside a chamber of the filtration, it still looks like a normal "testtube" heater but is just sitting hidden inside a chamber of the plastic box (the box can be internal or external to the tank depending on the filter setup.) In a few cases there are filters that include heating as one of the functions and these will have a "coil" somewhere that gets hot to heat the water.
No matter what type of filter, one of the first steps to understanding it is to figure out the direction and path the water takes, starting from "intake" from the tank, progressing through the various chambers of the filter and finally going out the "return" and back to the tank. Some tank "systems" have a filter designed into the lighting hood of the tank. Some (usually larger) tanks have external "sump" filters, which are boxes almost like another aquarium that sit below the tank. The water may be delivered to this box via either an internal or external "overflow" or via a "weir." Weirs (which run the length of a side or the back) and internal overflows usually have holes drilled in the tank, whereas an external overflow has a small box that hangs from the tank edge. This may help you describe your sytem to the members.
~~waterdrop~~
