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
- Boilers, steam and hot water heating-wholesale
- Burners, fuel oil and distillate oil-wholesale
- Convectors-wholesale
- Fireplaces, prefabricated-wholesale
- Furnaces, except electric and warm air-wholesale
- Hydronic heating equipment and supplies-wholesale
- Metal sanitary ware-wholesale
- Oil burners-wholesale
- Pipe and boiler covering-wholesale
- Plumbers’brass goods, fittings, and valves-wholesale
- Plumbing and heating valves-wholesale
- Plumbing fixtures, equipment, and supplies-wholesale
- Radiators and parts, heating: nonelectric-wholesale
- Ranges, except electric-wholesale
- Sanitary ware, china or enameled iron-wholesale
- Sauna heaters, except electric-wholesale
- Solar heating panels and equipment-wholesale
- Steam fittings-wholesale
- Stoves, cooking: except electric-wholesale
- Stoves, wood burning-wholesale
- Valves, plumbing and heating-wholesale
- Water conditioning equipment-wholesale
- Water heaters, except electric-wholesale
- Water softeners-wholesale