I'm replacing my fuel oil tank. It has two 3/8" lines coming out of the top of tank running to the pump on the furnace. One enters the pump at the bottom of the pump, the other at the side of the pump. Both lines, once removed, appear to go almost all the way to bottom of tank.
One must be a supply line to the furnace, is the other also a supply line, or a return? If its a return, how do I determine which is which? There is no external filter to indicate which may be a supply, but I would like to install one while I'm doing the exchange of tanks. Any advise greatly appreciated. Thanks!
2006-10-06
05:43:52
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4 answers
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asked by
michaelsmaniacal
5
in
Maintenance & Repairs