Plumbing & Heating Equipment & Supplies (Hydronics) Merchant Wholesalers
Key Figures
Figures are published for NAICS 423720 directly.
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Official definition
This industry comprises establishments primarily engaged in the merchant wholesale distribution of plumbing equipment, hydronic heating equipment, household-type water heaters, and/or supplies.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Plumbing and heating equipment merchant wholesalers distribute plumbing fixtures, hydronic heating systems, and water heaters. The boundary with hardware merchant wholesalers lies in specialization; hardware merchant wholesalers carry general building supplies and tools rather than focusing specifically on plumbing and hydronic heating equipment. Merchant wholesalers handling warm air heating and air-conditioning equipment are classified separately, as are those distributing refrigeration equipment and supplies.