2002 NAICS Definitions

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 gas appliances (except gas clothes dryers), 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 electrical appliances, room air-conditioners, gas clothes dryers, and/or household-type audio or video equipment--are classified in Industry 423620, Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers.

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2002 NAICS to 1997 NAICS

2002 NAICS to 1987 SIC

1997 Economic Census

Bridge Between 1997 NAICS and SIC

2002 NAICS	1997 NAICS	1987 SIC	Corresponding Index Entries
423720	421720	5074	Appliances, gas (except dryers, freezers, refrigerators), merchant wholesalers
423720	421720	5074	Boilers (e.g., heating, hot water, power, steam) merchant wholesalers
423720	421720	5074	Brass goods, plumbers', merchant wholesalers
423720	421720	5074	Burners, fuel oil and distillate oil, merchant wholesalers
423720	421720	5074	Cooking equipment, gas, household-type, merchant wholesalers
423720	421720	5074	Fireplaces, gas, merchant wholesalers
423720	421720	5074	Fittings and valves, plumbers', merchant wholesalers
423720	421720	5074	Fountains, drinking (except refrigerated), merchant wholesalers
423720	421720	5074	Furnaces, (except forced air), heating, merchant wholesalers
423720	421720	5074	Gas fireplaces merchant wholesalers
423720	421720	5074	Gas hot water heaters merchant wholesalers
423720	421720	5074	Gas ranges merchant wholesalers
423720	421720	5074	Heating boilers, steam and hot water, merchant wholesalers
423720	421720	5074	Heating equipment, hot water, merchant wholesalers
423720	421720	5074	Hydronic heating equipment and supplies merchant wholesalers
423720	421720	5074	Oil burners, heating, merchant wholesalers
423720	421720	5074	Ovens (except electric), household-type, merchant wholesalers
423720	421720	5074	Plumbers' brass goods merchant wholesalers
423720	421720	5074	Plumbing and heating valves merchant wholesalers
423720	421720	5074	Plumbing equipment merchant wholesalers
423720	421720	5074	Plumbing fixtures merchant wholesalers
423720	421720	5074	Plumbing supplies merchant wholesalers
423720	421720	5074	Sanitary ware, china or enameled iron, merchant wholesalers
423720	421720	5074	Solar heating panels and equipment merchant wholesalers
423720	421720	5074	Stoves, cooking and heating (except electric), household-type, merchant wholesale
423720	421720	5074	Valves, plumbing and heating, merchant wholesalers
423720	421720	5074	Water heaters (except electric) merchant wholesalers
423720	421720	5074	Water softening and conditioning equipment merchant wholesalers

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Page Last Modified: May 06, 2003