Mark Heron wrote:
I have only been on my roof twice and I don't remember seeing a vent, I'm guessing there must be one, no way there are 3 up there.
I agree that you may have just 1 or 2 vents through the roof, with "Y" connections to the other tanks, if they are close together.
Most of the vents look like this:
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joebedford wrote:
westend wrote:
All of your tanks should have a vertical vent that exits the roof.
Buzzer! Nope!
I think you need to elaborate a little more. Every tank must be vented, although not every tank necessarily needs its very own dedicated vent.