2017 NAICS Definition

T = Canadian, Mexican, and United States industries are comparable.

423720 Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

This industry comprises establishments primarily engaged in the merchant wholesale distribution of plumbing equipment, hydronic heating equipment, household-type water heaters, and/or supplies.

Cross-References. Establishments primarily engaged in--
  • Selling and installing plumbing, heating and air-conditioning equipment--are classified in Industry 238220, Plumbing, Heating, and Air-Conditioning Contractors;
  • Merchant wholesale distribution of warm air heating and air-conditioning equipment--are classified in Industry 423730, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers; and
  • Merchant wholesale distribution of household-type gas and electric appliances (except water heaters and heating stoves (i.e., noncooking)), room air-conditioners, clothes dryers, and/or household-type audio or video equipment--are classified in Industry 423620, Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers.
2007
NAICS		   2012
NAICS		   2017
NAICS		   Corresponding Index
Entries
423720   423720   423720   Bathtubs merchant wholesalers
423720   423720   423720   Boilers (e.g., heating, hot water, power, steam) merchant wholesalers
423720   423720   423720   Brass goods, plumbers', merchant wholesalers
423720   423720   423720   Burners, fuel oil and distillate oil, merchant wholesalers
423720   423720   423720   Convectors merchant wholesalers
423720   423720   423720   Drinking fountains (except refrigerated) merchant wholesalers
423720   423720   423720   Fireplaces, gas, merchant wholesalers
423720   423720   423720   Fireplaces, prefabricated gas, merchant wholesalers
423720   423720   423720   Fittings and valves, plumbers', merchant wholesalers
423720   423720   423720   Fountains, drinking (except refrigerated), merchant wholesalers
423720   423720   423720   Furnaces (except forced air), heating, merchant wholesalers
423720   423720   423720   Gas fireplaces merchant wholesalers
423720   423720   423720   Gas hot water heaters merchant wholesalers
423720   423720   423720   Heating boilers, steam and hot water, merchant wholesalers
423720   423720   423720   Heating equipment, hot water, merchant wholesalers
423720   423720   423720   Hydronic heating equipment and supplies merchant wholesalers
423720   423720   423720   Lavatory fixtures merchant wholesalers
423720   423720   423720   Oil burners, heating, merchant wholesalers
423720   423720   423720   Pipe and boiler coverings merchant wholesalers
423720   423720   423720   Pipe fittings and valves, plumbers', merchant wholesalers
423720   423720   423720   Plumbers' brass goods merchant wholesalers
423720   423720   423720   Plumbing and heating valves merchant wholesalers
423720   423720   423720   Plumbing equipment merchant wholesalers
423720   423720   423720   Plumbing fixtures merchant wholesalers
423720   423720   423720   Plumbing supplies merchant wholesalers
423720   423720   423720   Radiators, heating, nonelectric, merchant wholesalers
423720   423720   423720   Sanitary ware, china or enameled iron, merchant wholesalers
423720   423720   423720   Sinks merchant wholesalers
423720   423720   423720   Solar heating panels and equipment merchant wholesalers
423720   423720   423720   Spa equipment merchant wholesalers
423720   423720   423720   Stoves (i.e., noncooking), heating, merchant wholesalers
423720   423720   423720   Toilet bowls and tanks merchant wholesalers
423720   423720   423720   Urinals merchant wholesalers
423720   423720   423720   Valves, plumbing and heating, merchant wholesalers
423   423720   423720   Water heaters, gas and electric, merchant wholesaler
423720   423720   423720   Water purification equipment, household-type, merchant wholesalers
423720   423720   423720   Water softening and conditioning equipment merchant wholesalers