Re: Location of water tank breather pipe
You should be all set. Most tank connections for filling are at the top of the tank. The fill hose itself is something like 1 1/4", 1 1/2". The vent hose is not to bleed air out of the tank, it's so you do not create a vacuum when drawing water off the tank. If the vent hose was for bleeding air out of the tank during filling it would be the same diameter as the fill.
That's the way plumbing works, just my .02
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