Date: 12/31/1969 Views: 3148
Date: 05/18/2009 Views: 2982
Date: 11/29/1999 Views: 3209
Date: 08/23/2023 Views: 212587
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.