Date: 08/10/2010 Views: 7947
Date: 12/17/2003 Views: 4853
Date: 05/26/2009 Views: 7673
Date: 08/23/2023 Views: 809933
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.