Industry: 5074—Plumbing and Heating Equipment and Supplies (Hydronics)
Establishments primarily engaged in the wholesale distribution of hydronic plumbing and heating equipment and supplies. Construction contractors primarily engaged in installing plumbing and heating equipment from their own stock are classified in Construction, Industry 1711.
| Boilers, power: industrial—wholesale | Radiators and parts, heating: nonelectric—wholesale |
| Boilers, steam and hot water heating—wholesale | Ranges, except electric—wholesale |
| Burners, fuel oil and distillate oil—wholesale | Sanitary ware, china or enameled iron—wholesale |
| Convectors—wholesale | Sauna heaters, except electric—wholesale |
| Fireplaces, prefabricated—wholesale | Solar heating panels and equipment—wholesale |
| Furnaces, except electric and warm air—wholesale | Steam fittings—wholesale |
| Hydronic heating equipment and supplies—wholesale | Stoves, cooking: except electric—wholesale |
| Metal sanitary ware—wholesale | Stoves, wood burning—wholesale |
| Oil burners—wholesale | Valves, plumbing and heating—wholesale |
| Pipe and boiler covering—wholesale | Water conditioning equipment—wholesale |
| Plumbers' brass goods, fittings, and valves—wholesale | Water heaters, except electric—wholesale |
| Plumbing and heating valves—wholesale | Water softeners—wholesale |
| Plumbing fixtures, equipment, and supplies—wholesale | |
| Codes |
Titles | Total Marketable US Businesses |
| 50740000 | Plumbing and hydronic heating supplies | 1,360 |
| 50740100 | Water heaters and purification equipment | 115 |
| 50740101 | Water heaters, except electric | 30 |
| 50740102 | Water purification equipment | 530 |
| 50740103 | Water softeners | 186 |
| 50740200 | Heating equipment (hydronic) | 542 |
| 50740201 | Boilers, hot water heating | 63 |
| 50740202 | Boilers, power (industrial) | 62 |
| 50740203 | Boilers, steam | 34 |
| 50740204 | Convectors | 1 |
| 50740205 | Fireplaces, prefabricated | 68 |
| 50740206 | Furnaces, except electric and warm air | 20 |
| 50740207 | Gas burners | 14 |
| 50740208 | Heating equipment and panels, solar | 490 |
| 50740209 | Oil burners | 63 |
| 50740210 | Radiators and parts, except electric | 18 |
| 50740211 | Sauna heaters, except electric | 4 |
| 50740300 | Plumbing fittings and supplies | 5,740 |
| 50740301 | Pipe and boiler covering | 13 |
| 50740302 | Pipes and fittings, plastic | 371 |
| 50740303 | Plumbers' brass goods and fittings | 82 |
| 50740304 | Plumbing and heating valves | 168 |
| 50740305 | Steam fittings | 16 |
| 50749901 | Sanitary ware, china or enameled iron | 17 |
| 50749902 | Sanitary ware, metal | 6 |
| 50749903 | Stoves, wood burning | 32 |
