Date: 12/31/1969 Views: 4956
Date: 04/23/2006 Views: 5378
Date: 02/12/2008 Views: 8278
Date: 08/23/2023 Views: 782020
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.