Date: 12/31/1969 Views: 2726
Date: 02/27/2009 Views: 2716
Date: 09/18/2010 Views: 2941
Date: 08/23/2023 Views: 159776
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.