We make the jobs and the overall business of professional plumbers and HVAC technicians easier, faster, and more productive.

Anytime you call Oswald Supply, you will always speak to a live person. Our team is specially trained to provide you with the most technical and informative experience while we take care of your climate control needs.

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Whatever problem you're having with a chute door Oswald Supply has everything to fix it.

We stock and sell more chute doors and parts than anyone else nationwide with the knowledge to help you source the right part.

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SAME DAY SHIPPING

Most items will ship out of our warehouse the same day if ordered before 2PM.

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Oswald Supply has what you are looking for. In-stock and ready to ship.

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Founded in 1923, family owned & operated through four generations.

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OSWALD INSIGHTS

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Keep Your Matzah Bakery Running Smoothly During Peak Holiday Season with Our Stock of Oven Doors and Grates

Keep Your Matzah Bakery Running Smoothly During Peak Holiday Season with Our Stock of Oven Doors and Grates

The holiday season is one of the busiest times of the year for matzah bakeries. To keep up with demand, your ovens need to be in top condition. Oswald Supply offers an extensive inventory of oven parts, from oven doors and grates to fire bricks and dampers, to ensure that your bakery runs without a hitch.
steam boiler glass gauge

Water Level Products Explained. Keep Your Steam Boiler in Top Shape!

Maintaining a steam boiler is essential for ensuring its optimal performance and longevity. At Oswald Supply, we understand the importance of havin...
OSCO Tube Plugs

Interim Fixes for a Leaky Tube: Oswald’s Tube Plugs to the Rescue!

Small Parts can make a Big Difference - During the heating season, you may need to bypass a leaky tube. There’s plenty of time to make repairs once...