Ideal for island sinks, remote bathrooms, and remodeling jobs by eliminating the need to tie into a vent stack Vents up to 160 DFUs on a branch and up to 24 DFUs on stack Patented sweet Spot technology seals at minimum and maximum pressure levels Protective rubber sleeve provides grip for installation and keeps valve free from debris If a pipe to a fixture with a cheater vent has a direct connection to the sewer or septic system, when it fails the fixture can vent gasses through the fixture trap or the failed vent. If that fixture is the bathroom

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