High velocity 18" air eliminator on the hot water system, and custom high velocity 30" air eliminator on chilled water system.

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Install the Spirotrap® typically ahead of the system component being protected, such as the boiler in this drawing.
Eastern Illinois University - Charleston, IL
After having tried numerous other methods, the first Spirovent was installed in Carman Hall to deal with a long history of no heat calls and clogging valves.
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Two custom fabricated 20" high velocity air eliminators.