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Hey guys,

I have an oil fired boiler with a 250 gallon tank above ground - oil line fed from the bottom.
Recently some oil company filled my tank without my permission.
They said they can come...

Dana, Thanks for the elaborate response. I found myself googling alot of the things you mentioned - including AFUE and the Intellicon optimizer.
I'm a little hesitant to install this device only...

Hey Tom, can you explain to me how it would leak when it gets cold? Is it because the cast iron is thermally expanded when it's hot, and when it cools off will contract expose holes? Just guessing......

13815

I got an old American Standard Arcoliner oil fired boiler w/ tankless coil for DHW which we just converted to a 40 gal electric hot water heater.
The coil is cut off - so no water feeds...

I have a 5gpm tankless coil in my oil fired boiler;
I've come to the conclusion that it's clogged with minerals
from the hard water out of my well.
The cold water pressure is fine - the hot out of...