PSC 4520 covers space and water heating equipment utilized in various federal facilities and infrastructure projects. This category includes boilers rated at 15 pounds Working Steam Pressure (WSP) and under, domestic water storage tanks up to 100 gallons, fireplace heaters, furnaces, space heaters, heating radiators, immersion heaters, and water heaters with recovery capacities up to 100 gallons. It excludes equipment designed specifically for vehicles or aircraft, which are covered under separate PSC codes. Government agencies use this PSC to procure heating equipment that supports environmental control, energy management, and facility maintenance needs, ensuring safe and efficient heating solutions across federal installations.

Includes for PSC 4520

This PSC code covers the following products and services:

Boilers, 15 pounds WSP and under (for boilers over 15 pounds WSP, see FSC 4410); Domestic Water Storage Tanks through 100 gallon capacity; Fireplace Heaters; Furnaces; Space Heaters; Heating Radiators; Immersion Heaters; Water Heaters, through 100 gallon recovery capacity (for heaters over 100 gallons recovery capacity, see FSC 4410).

Excludes for PSC 4520

This PSC code does NOT cover the following:

Vehicle Heaters (FSC 2540); Aircraft Heaters (FSC 1660).

Typical Buyers & Agencies for PSC 4520

Typical buyers under PSC 4520 include federal agencies responsible for facility management and infrastructure maintenance such as the Department of Defense, General Services Administration, Department of Veterans Affairs, and the Department of Energy. These agencies purchase heating equipment to maintain operational environments, support mission-critical facilities, and improve energy efficiency in government buildings. Additionally, agencies involved in construction and renovation projects may procure these items to ensure compliance with heating and safety standards.

Common Contract Types for PSC 4520

Contracts awarded under PSC 4520 commonly include firm-fixed-price and indefinite delivery/indefinite quantity (IDIQ) procurement methods. Construction-related contracts often incorporate this PSC when heating equipment is part of larger facility projects. Maintenance and repair contracts may also include provisions for replacement or upgrade of heating systems. Simplified acquisition procedures can be used for smaller purchases, while larger procurements typically follow competitive bidding processes to ensure cost-effectiveness and compliance.

Plain-Language Breakdown for PSC 4520

Includes boilers up to 15 pounds WSP, water heaters up to 100 gallons recovery capacity, and related heating equipment.
Commonly purchased by federal facility management and energy-focused agencies for infrastructure support.
Contracts often use firm-fixed-price or IDIQ methods for procurement and maintenance services.
Excludes vehicle and aircraft heaters, which fall under separate PSCs.
Closely aligned with NAICS codes related to heating equipment manufacturing and HVAC contracting.
Supports government efforts to maintain safe, energy-efficient building environments.

Related Categories for PSC 4520

Other categories at the same level as 4520

4510 PLUMBING FIXTURES AND ACCESSORIES

Plumbing Fixtures and Accessories

4530 FUEL BURNING EQUIPMENT UNITS

Fuel Burning Equipment Units

4540 WASTE DISPOSAL EQUIPMENT

Waste Disposal Equipment

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