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Refractory Oven
Our complete refractory ovens utilize premium components to provide maximum heat containment and efficiency.
*These Refractory Oven Tiles are compatible with Cleaver-Brooks boilers.
Part # | Diameter | Model | HP Range
- 94-220Refractory Oven48"CBH
In-stock items. Order by 2:00 PM EST for Same-Day Shipping.
*Halmar Corporation offers many Cleaver-Brooks aftermarket parts. Halmar Corporation is not a factory authorized sales representative for Cleaver-Brooks, nor is Halmar Corporation affiliated with Cleaver-Brooks in any way. Cleaver-Brooks is a registered trademark of Cleaver-Brooks, Inc., Thomasville, GA.
Some aftermarket parts may be made by other manufacturers.
Need Help Identifying the Right Tile?
Mismatched refractory dimensions can disrupt burner air profiles and create dangerous external hot spots. Our team can review your equipment prints and cross-reference dimensions to ensure a precise fit.

Frequently Asked Questions About Refractory Oven Tiles
What is a refractory oven and what is its role in producing boiler parts?
A refractory oven (or kiln) is a high-temperature industrial chamber used to fire and cure molded refractory materials, such as our replacement boiler tiles. Its primary role is to subject shaped ceramic or cement-based forms to precisely controlled heat cycles, removing moisture and chemically bonding the material to achieve final structural density and thermal resistance. Proper firing in these ovens ensures the finished boiler refractory tiles possess the strength required to withstand the harsh environment of an active furnace.
Why is the curing process in a refractory oven critical for tile performance?
The curing and firing cycle is the most important stage in manufacturing industrial refractory components. If a tile is not fired according to exact temperature profiles, it can suffer from internal voids, inconsistent density, or lingering moisture content. When installed in a high-heat boiler, these defects lead to premature thermal shock, cracking, and spalling (chipping). By strictly controlling our kiln and refractory oven settings, Halmar ensures every piece delivers maximum thermal stability and resists the intense heat stress of your boiler’s interior.
Why source refractory components from Halmar rather than an OEM?
Sourcing replacement furnace insulation directly from original equipment manufacturers (OEMs) often exposes facility procurement managers to long supplier lead times, distributor shipping delays, and significant price premiums. Halmar operates as an independent, domestic manufacturer that controls the complete casting, firing, and quality-control workflow inside our modern facility in Louisville, Kentucky. We maintain a deep stock of high-durability aftermarket boiler parts—including custom-cured refractory tiles—directly on our shelves, allowing us to deliver superior material consistency and fast same-day shipping to minimize your operational downtime.
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