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Old 02-03-2013, 07:15 PM   #7
ITD
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Quote:
Originally Posted by Rusty View Post
Can you explain why there is a Distrubution Box before the septic tank. I'm not famiular with that type of system.

It seems to me that having one there would be a good place for it to freeze.

Rusty, I don't think she meant the d box was before the tank. As you probably already know, the pipe from the house goes directly to the tank, most tanks in this type of system have a pump chamber built in where theoretically only liquids pass. When the level is high enough the pump activates pumping the liquid to the distribution box that connects to the pipes in the leach field. There is usually a back flow valve in the pump chamber, after the pump, to prevent liquid siphoning out of the distribution box. The valve usually has a weep hole to allow the pipe to the distribution box to slowly empty to help prevent freezing.
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