Founded in 1923, Oswald Supply is family owned and operated through four generations. Thank you to our loyal customers who make us proud to celebrate 90 years of service to the heating and plumbing community.

A knowledgeable sales staff that prides itself in customer service has always been our trademark. Contractors, manufacturers, engineers, suppliers and distributers from coast to coast have looked to Oswald Supply for new, old and custom products, leading the industry Nation Wide.

Our main store front is conveniently located in the Hunts Point section of the Bronx in New York City. Items that are in stock will usually ship the same day.

Our helpful Resources and Helpful Literature Section of the website offers a wide range of FAQ’s, Diagrams, Installation/Owner Manuals, Reference Charts and Calculators for your convenience.

Please take a look at our product lines and linecards for:

Boilers and Heating Supplies

Some of our heating and plumbing products include; boilers, storage tanks, water heaters, indirect water heaters, handhole plates, manhole plates, gaskets, yokes, rings, sections, insulation, oil burners, gas burners, vents, draft hoods, brushes, nozzles, combination gas valves, relays and other safety controls, rod type and drive in plugs, piping, nipples, fittings

Please check out our linecard products from the industries top manufacturers. HB Smith Cast Iron Boilers, Peerless, Honeywell, Slantfin, Weil-McLain, Hoffman Specialty, Bell and Gossett, Conbraco, Asco, McDonnell and Miller, Apollo, Taco, Warrick Control, Cash Acme, Hago, Tekmar and White Rodgers.

Trash Chute Doors and Parts

We carry a wide range of trash chute doors and hopper door units. Sargent, Kernerator, Kerner, Pyro, Airdraft, Wilkison, US Chutes, Midland Metal Craft and All City, T-handles, thumb latches, springs, door checks, hydraulic cylinders, door closers, hopper pans, bottom plates, access plates are all in stock for all your repair needs.

Coal and Wood Fired Baker’s Oven Doors, Grates and Parts

Baker and Pizza Oven doors and Grates for wood and coal fired ovens are now in stock! We are one of the leading suppliers to resturants and bakeries nationwide. Some of our products include, Oven Swing Doors, Cast Iron Dump Grates and Frames, Stationary Herringbone and Pinhole Grates, Cleanout Doors and Ash Pit Doors, Arch Fire Doors, Chimney Brushes, Fire Pokers, Shaker Rods, Furnace Cement and Fire Bricks.