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NAICS Code· 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--Show more

NAICS 423720 – Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers encompasses the wholesale distribution of hydronic system components, including boilers, heat exchangers, pumps, valves, piping systems, thermostats, and related controls used in commercial, institutional, and military facility heating, cooling, and fluid transport applications. This sector serves as a critical supply chain link for building infrastructure projects requiring efficient thermal management, particularly in federal buildings, VA hospitals, military barracks, and energy-efficient retrofit programs.

67
Active Contracts
$2.4M
Total Obligations (12mo)
67
Awarded Contracts (12mo)
46
Contractors Awarded (12mo)
+23.2%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 423720 — Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers.

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NAICS 423720 FAQ

Frequently Asked Questions

NAICS code 423720 covers 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--

Recently Posted in Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

NAICS: 423720
Awarded
DIBBS
HEATER, WATER, ELECTRThe Defense Logistics Agency has awarded a contract to THE ELECTRIC HEATER CO, identified by CAGE code 19857, for the procurement of electric water heaters under NSN 4520015561453. The total contract value is $40,709.85, with the award date set for July 14, 2026. This procurement falls under solicitation number SPE7M126P3177 and is classified as a federal award issued by the Department of Defense. The contract is for a single line item specifying an electric water heater, with no set-aside designation or NAICS code provided. Performance location and point of contact details are not specified in the available data, though the contract was posted via the DIBBS system and can be accessed via the official DLA award portal.
Defense Logistics Agency

POSTED

about 4 hours ago

DEADLINE

N/A
View Details
NAICS: 423720
New
Federal
PVC and Valve Materials SupplyThe contract requires the supply of Schedule 80 PVC piping in 2.5 inch, 2.0 inch, and 1.5 inch diameters along with associated fittings including reducers, tees, bleed and cut-off valves, and NPT thread adapters, all of which must comply with potable water standards and the Buy American Act requirements. All materials must be suitable for use in water distribution systems where safety, durability, and regulatory compliance are critical. The solicitation is issued as a subcontract under a Total Small Business Set-Aside, meaning only small businesses can compete, and it is classified under NAICS code 423720 for plumbing and heating equipment and supplies merchant wholesalers. The opportunity was posted on July 13, 2026, with a response deadline of July 27, 2026, at 8:00 PM. The place of performance is in Natchez, and the contracting agency is the Department of Homeland Security through its Base New ORLEANS(00029) office. While specific delivery schedules or volume quantities are not detailed in the provided data, the strict adherence to material specifications and federal procurement standards ensures that only qualified vendors with proven capability in compliant plumbing materials will be considered. All submissions must meet federal small business eligibility criteria and demonstrate full compliance with the Buy American provisions.
Base New ORLEANS(00029)

POSTED

1 day ago

DEADLINE

in 13 days
View Details
NAICS: 423720
New
SLED
Gate Valve SupplyThe contract entails the supply of six gate valves that must meet specific project requirements for size, pressure rating, and material composition, ensuring compatibility and functionality within the intended application. All valves must comply with stated technical specifications to guarantee reliable operation under operational conditions. The contract is classified as a subcontract under NAICS code 423720 and is being managed by the State of Rhode Island through its Rhode Island agency office. Bidders must submit responses by the deadline of August 11, 2026, at 5:15 PM, following the posting date of July 10, 2026. No set-aside provisions are designated for this solicitation, and while the exact performance location is not specified, the work is intended for state infrastructure use. Interested parties may access additional details through the official state vendor portal.
State of Rhode Island

POSTED

4 days ago

DEADLINE

in 28 days
View Details
NAICS: 423720
New
Federal
Equipment and Material Supply (Hot Water Heaters & Pumps)The contract involves the supply of semi-instantaneous steam-to-hot-water heaters, recirculation pumps, condensate pumps, and associated components necessary for a heating system, with full logistics and delivery arrangements included. The effort is designated as a Service-Disabled Veteran-Owned Small Business Set Aside, ensuring priority consideration for businesses owned and controlled by service-disabled veterans, as indicated by the NAICS code 423720 which pertains to plumbing and heating equipment and supplies merchant wholesalers. Performance of the contract is slated to occur at a location in Lyons, New Jersey with a zip code of 07939, and the awarding agency is the Department of Veterans Affairs through its 242-NETWORK Contract Office 02. The solicitation was posted on July 10, 2026, and the nature of the agreement is classified as a subcontract, indicating it supports a larger procurement or prime contract. All items must be supplied in accordance with specified technical and logistical requirements to ensure operational readiness and system integration at the designated site.
242-NETWORK Contract Office 02 (36C242)

POSTED

4 days ago

DEADLINE

N/A
View Details
NAICS: 423720
New
Federal
Handwashing Station Supply and SterilizationThe contract requires the provision and ongoing maintenance of handwashing stations at Fort Rucker, ensuring each station is fully equipped with potable water, liquid soap, and paper towel dispensers. These stations must be cleaned and sterilized on a weekly basis and consistently restocked to support hygiene standards linked to latrine operations, emphasizing continuous operational readiness and public health compliance. All services must be performed reliably and with strict adherence to sanitation protocols to meet the needs of the site. This subcontract is issued under NAICS code 423720 by the Department of Defense through the W6QM Micc-Ft Rucker office, with a response deadline of August 10, 2026, and was posted on July 10, 2026. The performance location is specifically identified as Fort Rucker, Alabama, with ZIP code 36362. The contract does not specify a set-aside type or point of contact, and all activities are tied directly to supporting sanitation infrastructure in a military environment.
W6QM Micc-Ft Rucker

POSTED

4 days ago

DEADLINE

in 27 days
View Details
NAICS: 423720
New
SLED
I-CON Water Meter Parts and SuppliesThe contract seeks the provision of I-CON water meter parts and supplies to support the Department of Corrections across multiple facilities throughout Missouri. Authorized under solicitation number STATE 0000000459SL, the opportunity was posted on July 10, 2026, with bids due by July 16, 2026. All supplies must be delivered to various locations within the state, with no specific city or ZIP code designated for performance. The procurement is managed by the Missouri Office of the Procurement Division, with Ann Perkins serving as the buyer and primary point of contact via ann.perkins@oa.mo.gov. This is a state-level solicitation with no set-aside provisions or NAICS code specified, indicating it is open to all eligible vendors without preferential treatment based on business size or category.
PROC OA DIVISION OF PURCHASING PROCUREMENTS

POSTED

5 days ago

DEADLINE

in 2 days
View Details
NAICS: 423720
New
SLED
Furnish and Deliver Waterworks Materials of Clamps and Related Fittings for the Kahului WarehouseThe County of Maui is soliciting bids to furnish and deliver waterworks materials, specifically clamps and related fittings, for the Kahului Warehouse. The solicitation, identified as DWSP 2027-01, was posted on July 9, 2026, with a response deadline of August 17, 2026, at 8:00 PM Hawaii time. The contract is intended for a state, local, or educational entity and is being managed by the County of Maui under the Hawaii state jurisdiction, with performance required within Hawaii. All materials must meet specified requirements for use in waterworks infrastructure and be delivered to the designated warehouse location in Kahului. Point of contact for inquiries is Ashley DeCastro, reachable via email at ashley.decastro@co.maui.hi.us or by phone at (808) 270-7680. Interested parties must submit their responses through the public purchase portal linked in the solicitation details.
County of Maui

POSTED

5 days ago

DEADLINE

in about 1 month
View Details
NAICS: 423720
Awarded
DIBBS
SEAT, WATER CLOSETThe Defense Logistics Agency has awarded EVAC NORTH AMERICA INC, with CAGE code 47WD8, a delivery order under contract SPE8E824D0002 for a single item: a WATER CLOSET SEAT identified by NSN 4510012623405 and purchasing request 7017450893. The total contract value is $262.43, with the award dated July 9, 2026. The item is procured under a federal acquisition mechanism, with the agency acting on behalf of the Department of Defense. The order was posted on DIBBS and the place of performance and office details are not specified beyond the U.S. country code. The contract is for a standard commercial item with no set-aside status indicated, and the point of contact information is not provided in the public record.
Defense Logistics Agency

POSTED

5 days ago

DEADLINE

N/A
View Details
NAICS: 423720
Awarded
DIBBS
BRAKE, SHOE TYPEThe Defense Logistics Agency has awarded Contract SPE7L325V4775 to BURHANI ENTERPRISES INC with CAGE code 4NWK0 on July 9, 2026, for the supply of a BRAKE, SHOE TYPE identified by NSN 2530016239521. The total contract value is specified in the official award documentation, and the performance location is within the United States under the oversight of the Department of Defense. This procurement was issued as a federal award with no specified set-aside classification or NAICS code, indicating it was likely open to general competition. The contract details are accessible via the DIBBS portal, and the point of contact information is not provided in the public record.
Defense Logistics Agency

POSTED

5 days ago

DEADLINE

N/A
View Details
NAICS: 423720
Awarded
DIBBS
RADIATOR, HEATER, COOThe Defense Logistics Agency has awarded a delivery order under contract SPE7L426D61PU to RUTA SUPPLIES INC with CAGE code 0NJT4 for a total price of forty thousand three hundred ninety-two dollars. The award was issued on July 9, 2026, and pertains to a single line item for a radiator, heater, coolant system identified by National Stock Number 2990015771498 and purchase requisition number 7017441165. The contract is classified as a federal award with no specified set-aside type or NAICS code, and the performance location is not detailed beyond the country code US. The solicitation number SPE7L026F5566 was posted on the DIBBS system, and all information is accessible via the official DLA award portal.
Defense Logistics Agency

POSTED

5 days ago

DEADLINE

N/A
View Details
NAICS: 423720
Awarded
DIBBS
SHOP EQUIPMENT, AUTOThe Defense Logistics Agency has awarded a contract to PIONEER INDUSTRIES, LLC under solicitation SPE7L1-25-T-848C for the procurement of shop equipment for automotive use, with a total contract value of $42,373.66. The award was issued on July 9, 2026, and includes two line items both identifying the same NSN and part number 4910151515759, suggesting a duplicate or bulk procurement specification under distinct purchase request numbers, 7013046297 and 7013046312. The equipment is intended for federal use under the Department of Defense, with no specific place of performance indicated beyond the United States. The contract falls under a federal agency action with no set-aside designation applied, and the primary point of reference for details is the DIBBS portal listing.
Defense Logistics Agency

POSTED

5 days ago

DEADLINE

N/A
View Details
NAICS: 423720
Closed
SLED
HHS001744 HVAC and Plumbing Parts, Tools, MaterialThe Health and Human Services Commission of Texas is soliciting bids for a blanket purchase agreement to supply HVAC and plumbing parts, tools, and materials to Rusk State Hospital for the fiscal year 2027, with the contract term running from September 1, 2026, through August 31, 2027. The solicitation, identified as HHS0017441, was posted on June 9, 2026, with responses due by June 29, 2026, and is administered under the Historically Underutilized Business (HUB) Program with a NAICS code of 423720. Bidders must submit a complete response including the PCS 137 IFB, Exhibits A through D, and must provide firm, fixed unit prices for all line items listed in Exhibit C, which includes specific products such as ADA-compliant water closets, metering valves, eye wash stations, and faucet systems, with substitutions permitted only upon prior written approval. All pricing is to be all-inclusive, covering labor, materials, equipment, and related expenses, and no additional charges for travel, per diem, or incidental costs will be accepted. Proposals must comply with stringent packaging, labeling, and delivery requirements, including shrink-wrapped and labeled pallets, outer cartons marked with contents description, purchase order number, and quantity per carton, and deliveries scheduled between 8 a.m. and 4 p.m., excluding 11 a.m. to 1 p.m. Shipments must be F.O.B. Destination, Freight Prepaid & Included, with vendors bearing all costs for returns, storage, handling, or emergency purchases resulting from late, damaged, or non-conforming deliveries. Products must be new and unfailingly meet specifications—reworked items, seconds, or previously refused goods are strictly prohibited. Contractors must possess and maintain all required state and federal licenses, certifications, and insurance, and are subject to E-Verify compliance for all employees and subcontractors performing work in Texas. The contract includes comprehensive legal provisions covering indemnity, intellectual property ownership vested in the state, civil rights compliance including Title VI and the ADA, force majeure, dispute resolution, and survivability of obligations post-termination. Vendors are required to provide extensive certifications including DUNS number, UEI, TIN, federal EIN, and Texas franchise tax and secretary of state filings, and must disclose any criminal
Health and Human Services Commission

POSTED

5 days ago

CLOSED

15 days ago
View Details

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