Here, in addition, is where many DIY veggers discuss, with no particular commercial affiliation (I am in no way dissing Frybrid, he has top of the line stuff):
http://biodiesel.infopop.cc/eve/ubb.x/a/frm/f/159605551
You are missing the pre-filter set up, arguably the most important component.
If you never introduce oil that is not properly filtered (less that 5 microns, dewatered), and it is hot enough fot the IP, you will do fine.
In addition to coolant heating, I would consider an electric heater, such as Neoteric's VegTherm.
Search the archives, there is tons of stuff on the Maui board.
And here too, in the archives.