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Joined: Jun 2007
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Ambassador Field Correspondent Hall of Fame Lunker
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Ambassador Field Correspondent Hall of Fame Lunker
Joined: Jun 2007
Posts: 7,099 Likes: 23 |
c.j., a vent is also called a siphon break....once the vent opening is covered, your siphon starts, when water is lowered and allows air into the vent opening, the air "breaks" the siphon. Without a vent to break the siphon, the water would lower until air enters the siphon inlet and no more water can be drained.
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