Im looking to put a Miller trailer furnace in my garage, and I have a 275 gal vertical tank to use, I am curious if you guys can walk me through the install, I know very little about plumbing or the termanology so please bear with me. I understand the tank has 4 bungs in the top, one for the fill pipe (2") the one at the oppisite end of the tank for vent & alarm (2") on for the fitting that the supply and return (3/8 od copper) lines go through, and one extra. I dont know the name of the brass fittings that go into the 2" "double tap" fitting, i know it uses 3/8 od copper, so should the holes in the 2" fitting be 1/2" pipe thread so the copper will fit though it, also I will need a firematic valve for the supply line, and it was reccomended for one of the tank drain holes, and to plug the other drain hole, I was told not to put a firematic valve on the return line, to use a ball valve (so you can change the oil filter?) on that line. Any help would be appreciated. I was also told to have the fill and vent lines close together and the vent line 4-6" higher than the fill line( after they have exited the building) that this will aid in filling so the guy can hear the whistle better.

 

I've never run piping for fuel oil, so I can't be much help there. But I think it's likely that the fuel oil filler guy is going to want to see a certificate on the tank before touching it.

Home Heating - Oil Tank Certification