Date: 12/31/1969 Views: 6492
Date: 10/29/2003 Views: 3593
Date: 01/07/2006 Views: 3827
Date: 08/23/2023 Views: 194110
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.