Date: 12/31/1969 Views: 3125
Date: 08/16/2008 Views: 6857
Date: 11/17/2005 Views: 4063
Date: 08/23/2023 Views: 206358
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.