22.10.00 Plumbing Piping
22.11.00 Facility Water Distribution
22.11.13 Facility Water Distribution Piping 22.11.16 Domestic Water Piping 22.11.17 Gray-Water Piping 22.11.19 Domestic Water Piping Specialties 22.11.23 Domestic Water Pumps 22.11.23.13 Domestic-Water Packaged Booster Pumps 22.11.23.23 Domestic-Water In-Line Pumps 22.11.23.26 Close-Coupled, Horizontally Mounted, In-Line Centrifugal Domestic-Water Pumps 22.11.23.29 Close-Coupled, Vertically Mounted, In-Line Centrifugal Domestic-Water Pumps 22.11.23.33 Separately Coupled, In-Line Centrifugal Domestic-Water Pumps 22.11.23.36 Separately Coupled, Horizontally Mounted, In-Line Centrifugal Domestic-Water Pumps 22.11.23.43 Domestic-Water, Base-Mounted Pumps 22.11.63 Gray-Water Pumps