Date: 12/31/1969 Views: 2654
Date: 09/28/2010 Views: 2780
Date: 12/24/2007 Views: 3185
Date: 08/23/2023 Views: 87654
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.