Installation For Models: 679-5423 l?‘ ! Pop-Up Drain Assembly TOOLS NEEDED FOR INSTALLATION: Read instructions before installation! Depending on your installation, you may require the following supplies: Wrench or pliers, rags, plumber’s putty and thread seal tape. NOTE: When adjusting height of lift rod, be sure to leave enough room between knob and faucet when rod is at down position. INSTALLATION: 1. Thread mounting nut and bottom gasket onto drain body.