Date: 10/28/2010 Views: 6634
Date: 06/07/2004 Views: 5262
Date: 10/30/2007 Views: 8431
Date: 08/23/2023 Views: 704110
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.