Installation For Models: 679-8043 l?‘ ! x PLUMB WORKS® Offset 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 drain body {A) and tailpiece (E) from shoe {G). 2. Place flute washer (B} onto drain body {A} and drain body down through the drain opening from the top of the sink. 3.