Install Drain Clean-Out, Install Clean-Out Drain, Clean-Outs, Clean-Out Drains Mock Plumbing Repairs removed a damaged 2” cast iron tee and replaced it with a 2” schedule 40 PVC wye. This particular fitting was draining the kitchen sink and often times it is the kitchen sewer line that gets clogged up due to grease build up inside the line from food. Mock Plumbing Repairs installed a 2” cleanout with threaded plug shown here for easy access when sewer line needs to be cleaned out using an electric sewer snake.