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Capitol has the supplies you need. We carry only the best brands!

We proudly feature the following products and services


Whether you’re looking for top-of-the-line finishes or working with a tight budget, Capitol District Supply has an expansive selection of plumbing parts, accessories, and supplies to meet your needs. You can buy wholesale parts and pipes for commercial, residential and industrial use as well as fittings for any plumbing need.

Pipe, Valves & Fittings

Black & Galvanized: 1/8″ – 4″

Copper: 1/4″ – 4″ DWV & Pressure, Refrigeration

Viega & Zurn Pex: 1/2″ – 1″

Viega FrostaPex: 1/2″ – 1″

Brass & Chrome Fittings & Nipples

PVC Schedule 40: 1/2″ – 6″

FlowGuard Gold CPVC: 1/2″ – 2″

SDR 35: 4″ – 6″

S&D: solid/perf 4″ & 6″

Poly: 1/2″ – 2″

Cast Iron Soil Pipe: SV, H, No-Hub 2″ – 6″

Chemicals: Oatey and Hercules


Plumbing Specialties: JR Smith, PlumBest, Wal-Rich, Wilkins, and Zurn

Pumps & Tanks: Sta-Rite, Meyers, Liberty, and Zoeller

Heating & Air Conditioning

Boilers: IBC, Navien, and Pennco

Furnaces: Comfort-Aire, Goodman, and Olsen

Air Conditioning: Comfort-Aire, Goodman, and Century

Radiant In-Floor: Zurn, Legend, and Ultra-Fin

Space Heaters: Empire – direct and chimney vent

Unit Heaters: Beacon Morris – oil, gas, water, and steam

Baseboard: Embassy

Controls: Honeywell, White Rogers, Watts, Argo, Tekmar, Hydrolevel, LUX, and HBX

Circulators: Taco and Grundfos

Power Venters: Field

Zone Dampers: Arzel

Zone Valves: Automag, Honeywell, Taco

Heating Accessories: Hercules Anti-Freeze, GeneralAire, Lux Thermostats, Ultra-Fin, Vent-Rite, DiversiTech, and TracPipe® Counterstrike® Flexible

Gas Tubing: 1/2″-1″
Con-Stab Underground Poly Gas Pipe: 3/4″-2″
Acetylene Refills – Saratoga Only

Sheetmetal & Registers

Round Pipe & Fittings: 3″ – 24″ insulated flex 5″-18″

Trunk Duct Fittings: 8″ x 8″ to 8″ x 30″

Boots, Takeoffs: etc 5″ – 10″

Oval Pipe & Fittings: 6″, 7″ and 8″

Plenums, Wall Stack, Panning, Rain Caps,

Dampers, Ameri-Vent Registers: floor, wall, ceiling, T-Bar, J&J Register

Chimney Pipe (Gas/Oil/Wood)

Air Jet: Gas 4″ – 10″, oil/wood 6″ & 8″
Aluminum Chimney Flexliners
Protec Stainless Steel Venting Systems

HVAC Supplies


American: Natural Gas, Electric, and Propane

John Wood: Oil

Navien: Tankless, Combi System

IBC: Tankless, Combi, and Indirect Tanks

Computer Aided Heating, Air Conditioning and Radiant Heat Design:

Heating and cooling load calculations, radiant loop diagrams using Wrightsoft software systems, Visio & Tekmar piping and wiring diagrams.


Kitchen Products

Cabinets: Kemper, Decora, Woodland, Bertch, Artizen, Aristokraft, Mantra, Smart, and Wolf

Cabinet Hardware: Top Knobs, Jeffrey Alexander, Brizo, Kohler, and Hardware Resources

Outdoor Kitchens: NatureKast Weatherproof Cabinetry

Kitchen Sinks: Kohler, Sterling, Elkay, and Blanco –
stainless steel, cast iron, granite, and quartz

Disposals: Moen, Insinkerator

Lighting: Kohler and Hinkley

Bathroom Products


Vanity Cabinets: Bertch, Kemper, Decora, Woodland, Kohler, Artizen, Aristokraft, and Wolf

Fixtures: Kohler, Aquatic, Maidstone, Sterling Vikrell, Onyx, Gerber, Mansfield, A-2, Lasco, and Saniflo
china, cast iron, fiberglass, and acrylic

Whirlpool bathtubs: Kohler, Aquatic, Sterling, and Meditub

Faucets: Kohler, Delta, Moen, Gerber, Brizo, and Blanco

Medicine Cabinets: Bertch, Kemper, Decora, and Kohler

Vanity Tops: Oasis, Onyx, Corian, Swanstone, Cambria – granite, quartz, marble, cast iron, and plastic laminate

Showers, Walls & Basins: Onyx, Kohler, Sterling Vikrell, Aquatic, Mustee, Transolid, and Swanstone

Shower Doors: Basco, Kohler, Sterling, Cardinal, Arizona, and Custom

Flush Valves & Parts: Sloan

Counter Tops

Cambria Quartz, Solid Surface, Swanstone, Dupont Corian, Formica, Wilson Art, Oasis, and Caeserstone –  laminate, marble, granite and quartz

Digital Kitchen & Bath Design:

Floor plans, 3D perspectives, elevations, and design elements.


Additional products and vendors available. To contact us, click here, or just stop in!

Get directions to our Showrooms and Counters here.