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CSI MasterFormat™ Sub-Division List |
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| CSI Code | Short Description | Extended Description |
| 15100 | Building Services Piping |
| 15102 | Plug Valves |
| 15105 | Pipes and Tubes |
| 15110 | Valve |
| 15120 | Piping Specialties |
| 15130 | Pump |
| 15135 | Meters and Gauges |
| 15140 | Domestic Water Piping | Disinfecting Potable Water Piping Non - Potable Water Piping Potable Water Piping |
| 15145 | Hangers and Supports |
| 15150 | Sanitary Waste and Vent Piping | Interceptors Sanitary Piping Sanitary Piping Separators |
| 15160 | Storm Drainage Piping | Retrofit Roof Drains Roof Drains Roof Drain Specialties Storm Drainage Piping |
| 15170 | Swimming Pool and Fountain Piping | Reflecting Pool and Fountain Piping Reflecting Pool and Fountain Specialties Swimming Pool Piping Swimming Pool Specialties |
| 15180 | Heating and Cooling Piping | Condensate Drain Piping Heating and Cooling Pumps Hydronic Piping Refrigerant Piping Steam and Condensate Piping Steam Condensate Pumps Water Treatment Equipment |
| 15190 | Fuel Piping | Fuel Oil Piping Fuel Oil Pumps Fuel Oil Specialties Liquid Petroleum Gas Piping Natural Gas and Liquid Petroleum Gas Specialties Natural Gas Piping |
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