Eliminates expensive secondary vent stacks. Can be used for sinks, basins, tubs, showers, vanities, and washing machines - not to be used for toilets. 1-1/2" Male pipe threads. Packed 1 per box with installation instructions. Each drainage system using a Mechanical vent must have a main vent stack to atmosphere (through the roof) located so as to vent the water closet. Do not install the mechanical vent in sealed wall cavity - install in a readily accessible location. Installation limited to structures not exceeding 2 stories in height and without corrosive water.
|Country of Origin||China|
WARNING: This product can expose you to chemicals including lead compounds which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.