Date: 12/31/1969 Views: 4520
Date: 04/26/2006 Views: 5034
Date: 11/18/2005 Views: 6065
Date: 08/23/2023 Views: 702749
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.