Oswald Supply proudly sells and distributes HB Smith boiler parts. Our knowledge of boiler sections and assembly parts comes from almost 100 years of experience.

Smith Cast Iron boiler parts are heavily stocked and are usually ready to ship out the same day. If you are unable to find what you need on our site for industrial boiler parts, commercial and residential, please give us a call and speak with our experts. We will get you what you need to keep your water or steam boiler running.

Our competitive pricing and customer service makes Oswald Supply a leader in Smith Cast Iron steam and water boiler parts distribution all throughout the country.

We have been serving the boiler industry nationwide since 1923 and take pride in our ability to supply our customers with what they need in the fastest and simplest way possible. Whether you are a contractor or a homeowner, we will be happy to assist you.


For over 75 years, Oswald Supply has been a lead distributor of Smith Cast Iron (H.B. Smith) Boilers, Boiler Sections and Repair Parts. We are proud to continue to supply Smith Boiler Products nationwide, one of the most reliable Boiler manufacturers in the business.