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NAICS Code· 423720

NAICS 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.

47
Active Contracts
$2.2M
Total Obligations (12mo)
63
Awarded Contracts (12mo)
43
Contractors Awarded (12mo)
2
Median Bidders per Award
+68.5%
YoY Growth
Dotted
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
New
SLED
WD-2026-06
Solicitation # 49480
Avon Lake Regional Water is seeking bids for its Annual Distribution Supplies for the 2027 calendar year. This solicitation, identified as WD-2026-06 with solicitation number 49480, covers a performance period starting January 1, 2027, and ending December 31, 2027. The opportunity was posted on October 9, 2026, and requires all responses to be submitted by the deadline of October 26, 2026, at 4:00 PM. Interested parties can find further details and submission guidelines through the provided BidExpress link.
Avon Lake Regional Water

POSTED

4 days ago

DEADLINE

in 14 days
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NAICS: 423720
New
SLED
Genuine EOne Component SupplierThis subcontract opportunity is for a Genuine EOne Component Supplier to provide new, authentic Environment One Corporation replacement parts for prime contractors working on Sacramento Area Sewer District projects. The scope of work includes the supply of pumps, seals, cutters, capacitors, and control panels sourced from a maintained inventory to facilitate same-day repairs. Eligible suppliers must hold status as an authorized EOne distributor and are responsible for delivering components directly to job sites or prime inventory locations. The contract is associated with NAICS code 423720 and is centered in Elk Grove, California. Interested parties must submit their responses by the deadline of November 17, 2026. This procurement ensures that critical infrastructure repairs within the district are supported by genuine manufacturer parts and rapid delivery capabilities.
Sacramento Area Sewer District

POSTED

4 days ago

DEADLINE

in about 1 month
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NAICS: 423720
New
SLED
MEADOW STREET WATERLINE PRODUCTS
Solicitation # RFQ 27-48
The City of Charlottesville Utilities Department is soliciting quotes under RFQ 27-48 for the supply of waterline products to support an in-house watermain replacement project on Meadow Street. All products must be new, unused, and of current production, with a strict requirement that only Kennedy or Mueller brands be provided for hydrants and valves. Specifically, hydrants must be 4 feet in size, and water valve boxes must be three-piece units manufactured by Capital Foundry of VA Inc., utilizing models 562S, VB-EXTN, and VB-BASE-160. All items must be delivered to the Meadow Street project site within 14 days of the Notice of Award, with the contractor assuming full responsibility for delivery, unloading, and storage. The City requires 48 hours' notice prior to delivery. Quotations must be submitted via the OpenGov portal by 2:00 pm on October 22, 2026. Bidders must provide their State Corporation Commission identification number and certify compliance with non-discrimination, drug-free workplace, and anti-collusion regulations. Award evaluation is based on compliance with RFQ requirements and the bidder's qualifications, though Bid Additive 1 will not be a factor. The City maintains the option to place additional orders at the original unit price within the first 120 days of the contract, up to 100 percent of the original quantity. Contractors are required to maintain comprehensive insurance, including Workers Compensation, Commercial General Liability with the City named as an additional insured, and Automobile Liability. Invoicing must include the City's purchase order or contract number and be submitted to the designated payment address. The City is exempt from state sales and federal excise taxes. All shipping containers must be legibly marked with the purchase order number, commodity description, and quantity, utilizing standard commercial packaging.
Utilities

POSTED

4 days ago

DEADLINE

in 10 days
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NAICS: 423720
New
SLED
PLD-27-42A Everett Square Improvements
Solicitation # BD-25-1147-COE01-COE01-134292
The City of Everett is soliciting written quotes for the purchase of construction materials for the PLD-27-42A Everett Square Improvements project. This procurement is strictly for materials and explicitly excludes all labor. The required supplies include ductile iron water pipe, a tapping sleeve, a valve, and a box. This open market solicitation, identified by number BD-25-1147-COE01-COE01-134292, is conducted under M.G.L. c. 30, 39M, with an estimated contract value between 10,000 and 50,000 dollars. Interested parties must submit their written quotes to the City of Everett Procurement Department at City Hall, Room 14, 484 Broadway, Everett, MA 02149, no later than October 22, 2026, at 2:00 PM. The primary point of contact for this procurement is Purchaser Kiara Freeman. Detailed specifications and quote documents are available through the official City of Everett bids website.
COE01 - PURCHASING

POSTED

5 days ago

DEADLINE

in 10 days
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NAICS: 423720
New
SLED
Gate Valve SupplyThis subcontract agreement involves the procurement and delivery of industrial-grade gate valves for facility projects managed by the East Longmeadow Housing Authority in Massachusetts. The selected provider is responsible for sourcing hardware that meets all project specifications and ensuring the timely delivery of these materials to the project site located in Quarry Hill, East Longmeadow. The opportunity was posted on October 7, 2026, with a response deadline of October 23, 2026. Classified under NAICS code 423720, the contract focuses on the supply chain logistics of providing essential valve hardware to prime contractors overseeing the housing authority's infrastructure improvements.
HA085 - East Longmeadow Housing Authority

POSTED

5 days ago

DEADLINE

in 11 days
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NAICS: 423720
Awarded
International
Framework for the Supply and Delivery of Plumbing Materials
Solicitation # P1391
The Northern Ireland Housing Executive has established a framework agreement for the supply and delivery of plumbing materials under solicitation number P1391. This contract, which was awarded to seven different suppliers, has a total estimated value of 1,953,000 pounds excluding VAT. The agreement is scheduled to run for a duration of three years, commencing on 20 October 2026 and concluding on 19 October 2029. The procurement process was managed by the Northern Ireland Housing Executive to ensure a consistent supply of necessary plumbing materials for their operations.
Northern Ireland Housing Executive

POSTED

6 days ago

DEADLINE

N/A
View Details
NAICS: 423720
New
SLED
Plumbing Supplies
Solicitation # PW-27-42-SB
The City of Fontana is seeking competitive bids for solicitation PW-27-42-SB to establish an annual contract for the procurement of plumbing supplies. To qualify, bidding companies must maintain a physical place of business within a 15-mile radius of the Public Works Administrative Building located at 16489 Orange Way, Fontana, California. The closing date for submissions is October 22, 2026, at 2:00 PM PT. Vendors must provide pricing specifically for the manufacturers listed on the official bid sheet, although the City maintains the right to purchase additional miscellaneous plumbing products and auxiliary supplies from the selected provider. The City of Fontana reserves the right to award the contract to multiple vendors to meet its operational needs.
City of Fontana

POSTED

7 days ago

DEADLINE

in 10 days
View Details
NAICS: 423720
SLED
Water Fittings
Solicitation # 211
The Jefferson Parish Government in Louisiana is seeking solicitations for the purchase of water fittings, gaskets, and related items to support the Eastbank Warehouse Department. This procurement opportunity, identified by solicitation number 211, is managed by the local government agency to ensure the necessary supply of plumbing and warehouse components. Interested parties must submit their responses by the deadline of October 19, 2026, at 4:00 PM. The primary point of contact for this solicitation is My Dao Ngo, and further details or submissions can be managed through the official supplier portal.
Jefferson Parish Government

POSTED

7 days ago

DEADLINE

in 7 days
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NAICS: 423720
International
21807-240054B Plumbing and Heating RMSO
Solicitation # WS5036474514
This Standing Offer, managed by the Department of Public Works and Government Services for the Government of Canada, establishes a framework for the procurement of plumbing and heating supplies. The agreement is designed to serve all federal government departments and agencies located within British Columbia, providing materials on an as and when requested basis. Pricing for the supplied goods is governed by the Allpriser Redbook Plumbing and Heating Price Guide, British Columbia Edition. The solicitation, identified by number WS5036474514, falls under NAICS code 423720. Interested parties must adhere to the response deadline of October 22, 2026. Carmen Skolos serves as the primary contracting authority for this requirement, which ensures a streamlined supply chain for essential building maintenance materials across the province.
Department of Public Works and Government Services

POSTED

8 days ago

DEADLINE

in 10 days
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NAICS: 423720
Closed
SLED
Pipe and other materials
Solicitation # 27772
The Chickasaw Nation is seeking itemized pricing for the procurement of pipe, fittings, and various other materials required for the installation and repair of water and sewer lines. This solicitation focuses on supporting residential infrastructure projects for individual homes located across the 13 Chickasaw counties in Oklahoma. Interested parties must submit their responses by the deadline of October 7, 2026. This tribal organization solicitation was posted on October 2, 2026, and inquiries can be directed to the designated point of contact, Lisa Sloan.
Chickasaw Nation

POSTED

11 days ago

CLOSED

5 days ago
View Details
NAICS: 423720
Closed
International
Sprinker Parts
Solicitation # W2037-27-0380/A
The Department of National Defence, specifically the Canadian Forces School of Military Engineering, is soliciting offers for the procurement of fire suppression and sprinkler parts under solicitation number W2037-27-0380/A. The requirement includes specific components such as FireLock rigid couplings, a Series T7 air maintenance compressor assembly, various sprinkler heads, grooved pipe diameter tape, and an NXT dry valve cutaway for demonstration. A strict no-substitute policy is in effect, meaning offerors must provide the exact brand, model, and part numbers specified. All deliverables must be received by November 15, 2026, and delivered Delivery Duty Paid. The contract will be awarded to the responsive bidder offering the lowest evaluated price in Canadian dollars. Evaluation is based on technical compliance with the Statement of Requirement and financial competitiveness. Offerors are encouraged to use environmentally preferable packaging that is reusable, returnable, or recyclable. The procurement is governed by Canadian regulations, including the Defence Production Act and the Code of Conduct for Procurement, with a stated preference for Canadian goods and services. Payment for undisputed invoices will be made within 30 days of receipt.
Department of National Defence

POSTED

11 days ago

CLOSED

5 days ago
View Details
NAICS: 423720
DIBBS
Heating Element Material SupplierThis subcontract opportunity is for a Heating Element Material Supplier to provide raw alloys and heating elements to prime contractors supporting the Department of Defense at the DDSP New Cumberland Facility. The scope of work involves the delivery of high-grade tubular elements or raw heating alloys, specifically Incoloy, Stainless Steel, or Titanium. All materials must strictly adhere to the R or I technical specifications outlined in the DLA Master List, and the supplier is required to provide Mill Test Reports to verify material compliance. The project is categorized under NAICS code 423720 and will be performed in New Cumberland. Interested parties must submit their responses by October 13, 2026, following the posting date of October 1, 2026.
DDSP NEW CUMBERLAND FACILITY

POSTED

11 days ago

DEADLINE

in about 14 hours
View Details

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