Date: 12/31/1969 Views: 3661
Date: 10/29/2007 Views: 6107
Date: 11/29/1999 Views: 3511
Date: 08/23/2023 Views: 204899
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.