Installation For Models: 679-8042 & 679-8044 l?‘ ! PLUMP Works Grid Strainer TOOLS NEEDED FOR INSTALLATION: Read instructions before installation! Used in combination with metal or plastic drain systems. A pipe wrench is required to install this product and to remove old drain parts. INSTALLATION: 1. Remove tailpiece (E} from drain body {A}. 2. Place flute washer (B} onto drain body {A} and drain body down through the drain opening from the top of the sink. 3.