Date: 12/31/1969 Views: 4076
Date: 04/15/2006 Views: 3768
Date: 03/12/2012 Views: 6370
Date: 08/23/2023 Views: 182436
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.