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bskinner57
Jan 23, 2006, 11:22 AM
When you flush tiolet or let water out of tub or sink, if the vent is working properly will it force air out of the vent?

speedball1
Jan 23, 2006, 01:29 PM
when you flush tiolet or let water out of tub or sink, if the vent is working properly will it force air out of the vent?

No, It pulls air in. When you flush or drain, the water draining down the pipe creates a suction. This suction is relieved by the air entering a vent. Cheers, Tom