Date: 12/31/1970 Views: 4886
Date: 10/24/2009 Views: 2790
Date: 06/28/2008 Views: 2352
Date: 08/23/2023 Views: 90206
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.