Date: 01/19/2004 Views: 6699
Date: 11/17/2005 Views: 6557
Date: 10/25/2010 Views: 6399
Date: 08/23/2023 Views: 809601
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.