3 Comparment Sink, Mop Sink and pluming it | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![Sentinel Drain Guard Sewage Backflow Preventer 3 in. and 4 in. Backwater Valve - Holmes Approved DG100 - The Home Depot Sentinel Drain Guard Sewage Backflow Preventer 3 in. and 4 in. Backwater Valve - Holmes Approved DG100 - The Home Depot](https://images.thdstatic.com/productImages/86d0c05a-73ad-46ea-9d16-83c9cf2b8a66/svn/sentinel-backflow-preventers-dg100-fa_600.jpg)
Sentinel Drain Guard Sewage Backflow Preventer 3 in. and 4 in. Backwater Valve - Holmes Approved DG100 - The Home Depot
![Floor Drain Pipe Preventer Connector Multi-Layer Sealing Circle High-quality Silicone Material Double Drainage for Dishes Basins Mop Pools - Walmart.com Floor Drain Pipe Preventer Connector Multi-Layer Sealing Circle High-quality Silicone Material Double Drainage for Dishes Basins Mop Pools - Walmart.com](https://i5.walmartimages.com/asr/ff31045d-83ef-4418-bf50-7def9e027e1b.7ff794a7ca78513e96cebee220b14c23.jpeg)
Floor Drain Pipe Preventer Connector Multi-Layer Sealing Circle High-quality Silicone Material Double Drainage for Dishes Basins Mop Pools - Walmart.com
![Sentinel Drain Guard Sewage Backflow Preventer 3 in. and 4 in. Backwater Valve - Holmes Approved DG100 - The Home Depot Sentinel Drain Guard Sewage Backflow Preventer 3 in. and 4 in. Backwater Valve - Holmes Approved DG100 - The Home Depot](https://images.thdstatic.com/productImages/02fe2dcd-2713-4598-b7ff-a05d94aec27b/svn/sentinel-backflow-preventers-dg100-64_600.jpg)
Sentinel Drain Guard Sewage Backflow Preventer 3 in. and 4 in. Backwater Valve - Holmes Approved DG100 - The Home Depot
![Amazon.com: Sentinel Drain Guard Sewer Backflow Preventer 3" and 4" Backwater Valve - Holmes Approved : Everything Else Amazon.com: Sentinel Drain Guard Sewer Backflow Preventer 3" and 4" Backwater Valve - Holmes Approved : Everything Else](https://m.media-amazon.com/images/I/71O5zPxaMiL.jpg)