Boiler Parts Supplier

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.

FULL INVENTORY

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

TRUST THE EXPERTS

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

As a leading boiler parts supplier, Oswald Supply is dedicated to providing expert solutions for all your boiler needs. Our team manufactures and supplies parts from the most trusted brands in the industry. Whether you need replacement parts for a specific boiler type or are looking for effective components for a new system, our extensive inventory ensures we have what you need. Backed by decades of experience, we are your go-to boiler parts supplier, offering both detailed product information and unmatched customer support. Let us help keep your boiler running smoothly today.

WHAT OUR CUSTOMERS SAY

WE CARRY SOME OF THE MOST TRUSTED BRANDS

Free Shipping On All
Trash Chute Door Products
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Peerless Repair Parts
20% Off
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Gasket SALE on
Handhole Manhole
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Peerless Repair Parts
20% Off
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Boilers In Stock &
Ready to Ship
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Free Shipping
On Trash Chute Door Parts
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OSWALD INSIGHTS

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7 Key Boiler & Water Heater Indicators to Look for After Severe Weather

7 Key Boiler & Water Heater Indicators to Look for After Severe Weather

After a major storm, a boiler could be at risk for damage that requires repair or replacement parts. Whether it's due to flooding, loss of electric...
Preparing Your Boiler for Winter: 5 Essential Tips for Homeowners

Preparing Your Boiler for Winter: 5 Essential Tips for Homeowners

Winter is just around the corner, and now is the perfect time to prepare your boiler to ensure a warm, cozy home during the cold months. Taking a f...
What to do if Your Boiler is Damaged After Flooding and Storm Surges

What to do if Your Boiler is Damaged After Flooding and Storm Surges

The aftermath of severe storms and flash flooding can leave you without heat or hot water. If your boiler or water heater has been damaged, getting...