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Instrument Connection Tile
Specialized instrument connection tiles protect sensitive monitoring equipment from severe fireside degradation and exposure.
*These refractory Instrument Connection Tiles are compatible with Cleaver-Brooks boilers.
Part # | Diameter | Model | HP Range
- 872-369Instrument Connection Tile
In-stock items. Order by 2:00 PM EST for Same-Day Shipping and minimal equipment downtime.
*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 Instrument Connection Tiles
What is an instrument connection tile and what is its primary role?
An instrument connection tile is a specialized, pre-molded refractory block designed to provide a secure opening through the boiler furnace insulation wall for monitoring probes, sensors, and control instruments. Its primary role is to combine reliable thermal protection with accurate technical access. By wrapping around entering scanner tubes or temperature probes, it provides a stable path for sensors while containing extreme furnace heat and preventing it from damaging delicate instrumentation or bypassing the insulation layer.
What are the consequences of ignoring a cracked or eroded instrument tile?
Because instrument connection zones break the continuous layout of a flat refractory wall, they are highly prone to thermal stress. If a tile cracks or erodes, intense radiant heat will escape directly along the metal probe or scanner tube. This heat bypass can cause inaccurate sensor readings, burn out expensive diagnostic probes, and create local external hot spots that damage the boiler’s outer wiring housing or structural shell. Utilizing premium replacement boiler refractory tiles keeps your insulation tight and protects your facility control electronics.
Why source aftermarket instrument connection tiles from Halmar over an OEM distributor?
Sourcing specialty components directly from factory original equipment manufacturers (OEMs) often subjects contractors to long distributor lead times and heavy price inflation. Halmar functions as an independent, domestic manufacturer that controls the complete high-temperature casting and curing workflow inside our clean, modern facility in Louisville, Kentucky. We maintain a large inventory of premium aftermarket boiler parts on our shelves, allowing us to deliver precise dimensional layouts, outstanding material longevity, and fast same-day shipping on all in-stock products.
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