Date: 12/31/1969 Views: 3041
Date: 05/19/2008 Views: 5854
Date: 07/07/2004 Views: 4119
Date: 08/23/2023 Views: 218106
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.