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

Related Work

Silence is Golden (Yellow) for Berners-Schober
“The pumps are much quieter as is the circulating water
International ALERT Academy, Big Sandy, TX

“I have not had to vent a coil in the three months since

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.