Date: 12/31/1969 Views: 4278
Date: 09/24/2005 Views: 9012
Date: 01/10/2004 Views: 6630
Date: 08/23/2023 Views: 819388
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.