This setup is a WVO filter only. It is in my garage at the moment untill the shop gets built in a few weeks.
Theres no need to put a heater in the barrel, the heat is applyed in the HWH and then it is left to settle overnight. Particle matter and suspended water will fall out of the oil when its heated up. You cant speed the settling process anymore than this. It just takes a little heat and then gravity does the rest over several hours time.
I have 200.00 in the tank, 360.00 in the filter housing, 250.00 in the pump and the various valves and plumbing stuff was another 100.00