| 670 02 | BATHROOM ACCESSORIES: FANS, MIRRORS, MEDICINE CABINETS, SOAP DISHES, TOWEL BARS AND RINGS, ETC. |
| 670 03 | BATHTUB AND SHOWER CLEANERS (INACTIVE, PLEASE SEE COMMODITY CODE 485-16 EFFECTIVE JANUARY 1, 2016) |
| 670 04 | CATHODIC PROTECTION EQUIPMENT |
| 670 05 | CEMENT AND CLEANERS, FOR PLASTIC CONDUIT, FITTINGS, AND PIPE |
| 670 06 | COMPOUND, PIPE JOINT AND TAPE |
| 670 09 | DRAINS, GREASE TRAPS, ETC. |
| 670 10 | DRYERS, HAND, ELECTRIC |
| 670 12 | GROUT, PIPE AND SEWER |
| 670 13 | GRAB BARS (INACTIVE, PLEASE SEE COMMODITY CODE 670-02 EFFECTIVE JANUARY 1, 2016) |
| 670 14 | GAS METERS, INDICATING AND RECORDING |
| 670 15 | HAND TOOLS (NOT OTHERWISE CLASSIFIED) |
| 670 16 | HYDRAULIC FUSION MACHINE FOR PIPE |
| 670 17 | IRRIGATION SYSTEMS, SUPPLIES, PARTS, AND ACCESSORIES (INACTIVE, PLEASE SEE COMMODITY CODE 515-25 EFFECTIVE JANUARY 1, 2016) |
| 670 20 | LEAD: FLASHINGS, INGOTS, SHEETS, ETC. |
| 670 24 | LIQUID HEATERS, IMMERSION TYPE |
| 670 43 | OAKUM |
| 670 49 | PIPE HANGERS, CONSTANT SUPPORT TYPE, FOR POWER PLANT OPERATIONS |
| 670 50 | PIPE HANGERS, CONCRETE INSERTS, JOINT RESTRAINTS, ETC. |
| 670 51 | PIPE AND UTILITY MARKERS |
| 670 52 | PIPE REPAIR CLAMPS, COUPLINGS, LEAK KITS, ETC. (INACTIVE, PLEASE SEE COMMODITY CODE 659-55 EFFECTIVE JANUARY 1, 2016) |
| 670 53 | PIPELINE EQUIPMENT AND TOOLS, CONSTRUCTION AND LAYING OF THE PIPELINE |
| 670 54 | BRASS, PLUMBING TUBULAR GOODS (INACTIVE, PLEASE SEE COMMODITY CODE 658-02 EFFECTIVE JANUARY 1, 2016) |
| 670 55 | PLUMBING FIXTURES AND PARTS |
| 670 56 | PLUMBING TRIM: FAUCETS, FITTINGS, ETC. |
| 670 57 | PLUMBING EQUIPMENT, ACCESSORIES AND SUPPLIES (NOT OTHERWISE CLASSIFIED) |
| 670 58 | RUBBER GOODS AND PLUMBING SPECIALTIES: GASKETS, LEATHERS, SEATS, WASHERS, ETC. |
| 670 59 | SEALANTS, WATER PLUG |
| 670 60 | SEPTIC TANKS AND CESSPOOLS, OTHER THAN CONCRETE |
| 670 61 | SEWER PIPE CLEANING MACHINES, POWER DRIVEN; AND PARTS |
| 670 62 | SHOWER STALLS, DOORS, AND TUB ENCLOSURES (INACTIVE, PLEASE SEE COMMODITY CODE 670-55 EFFECTIVE JANUARY 1, 2016) |
| 670 63 | SERVICE BOXES AND PARTS |
| 670 64 | SUPPLIES AND STOPS |
| 670 65 | SINKS, PORTABLE, SELF-CONTAINED |
| 670 66 | TOILET PARTITIONS AND DOORS (INACTIVE, PLEASE SEE COMMODITY CODE 670-55 EFFECTIVE JANUARY 1, 2016) |
| 670 67 | VACUUM BREAKERS |
| 670 68 | VALVES, ALUMINUM |
| 670 69 | VALVES, BRASS, CHROME, COPPER |
| 670 70 | VALVES, BRONZE: ANGLE, BALL, CHECK, GATE, GLOBE, ETC. |
| 670 71 | VALVES, BUTTERFLY, ALL KINDS |
| 670 72 | VALVES, CHROME (INACTIVE, PLEASE SEE COMMODITY CODE 670-69 EFFECTIVE JANUARY 1, 2016) |
| 670 73 | VALVES, FLUSH, ALL TYPES; AND PARTS |
| 670 74 | VALVES, DROP-OUT |
| 670 75 | VALVES, IRON BODY: ANGLE, CHECK, GATE, GLOBE, ETC. |
| 670 76 | VALVES AND VALVE PARTS, MISCELLANEOUS |
| 670 77 | VALVES, PLASTIC: BALL, CHECK, DIAPHRAGM, GLOBE, ETC. |
| 670 79 | VALVES, SEMI-STEEL (INACTIVE, PLEASE SEE COMMODITY CODE 670-82 EFFECTIVE JANUARY 1, 2016) |
| 670 80 | VALVES, SOLENOID CONTROL |
| 670 81 | VALVES, STAINLESS STEEL: ANGLE, BALL, CHECK, GATE, GLOBE, ETC. |
| 670 82 | VALVES, STEEL: ANGLE, CHECK, GATE, GLOBE, ETC. |
| 670 84 | VENTURI TUBES, AIR AND VACUUM |
| 670 86 | WATER FILTRATION, CONDITIONING, AND PURIFICATION EQUIPMENT FOR THE OFFICE AND HOME |
| 670 87 | WATER CONSERVATION KITS |
| 670 88 | WATER HAMMER ARRESTER |
| 670 89 | WATER HEATERS, RESIDENTIAL |
| 670 91 | WATER HEATERS, COMMERCIAL |
| 670 92 | WATER SOFTENING EQUIPMENT, RESIDENTIAL |
| 670 93 | WATER SOFTENING EQUIPMENT, COMMERCIAL (ALSO SEE 890-85) |
| 670 95 | REFURBISHED PLUMBING EQUIPMENT, ACCESSORIES AND SUPPLIES |