Install the Spirotrap® typically ahead of the system component being protected, such as the boiler in this drawing.

Related Work

Residential Gallery
Spirovent® remains the world class standard that others attempt to reach. Often copied but never equaled.
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.
Mercy Medical Center - Des Moines, IA
High velocity 18" combination air eliminator and dirt separator.
Red Rock Casino Resort Spa - Las Vegas, NV
24" high velocity combination air eliminator / dirt separator.