Date: 12/31/1969 Views: 4865
Date: 01/03/2005 Views: 5817
Date: 05/13/2007 Views: 6032
Date: 08/23/2023 Views: 838726
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.