Date: 10/16/2009 Views: 5348
Date: 06/23/2011 Views: 7670
Date: 05/19/2008 Views: 5901
Date: 08/23/2023 Views: 768740
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.