Quote:
Originally Posted by busone
You can even get an old electric water heater and cut the top off the tank. Since it will not be under any pressure if it has a pinhole leak you can weld it up and it will last a long time. You will have hot oil in no time.
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i guess it depends where the tank comes from. At the house i grew up in we had well water that was relatively hard. When we changed out our hot water heaters they tended to weigh at least 100 pounds more than they did when new because of all the rust/scale/lime buildup on the inside.
i'm a huge proponet of having 2 heated tanks on your bus, both heated with engine coolant. The first tank for "dirty" oil direct from the restaurant grease dumpster (using a screen to keep out big particles)
this allows you to use a low pressure high volume pump to quickly fill your tank
once heated, a high pressure (50 psi) low volume pump can force the dirty oil through 3 regular water filters and into the clean heated tank.
The process is nearly automatic and requires very little actual work on the part of the operator.
free electricity at the military base does make heating oil at home more attractive for you than it does for the average person. A water heater element and a thermostat can be had at home depot for about 20 bucks. If you or a friend welded some sort of flange onto a 55 gallon drum you could easily adapt a water heating element and a thermostat. fyi, a 220 volt heating element can be used with 110 volts, it just makes half the output. ie: a 1500 watt 220 volt element will make 750 watts @ 110 volts.