Install the Spirovent® at the point of lowest solubility, which is the place in the system where the temperature is the highest and pressure the lowest. Note as well to always "pump away" from the expansion tank, never towards it.

Related Work

University of Missouri - Columbia, MO
The University of Missouri, Columbia is home to the second of the world's largest Spirovent® combination air eliminator and dirt separator.
University of Arkansas Medical Sciences - Little Rock, AR
High velocity 18" air eliminator on the hot water system, and custom high velocity 30" air eliminator on chilled water system.
University of Nebraska - Lincoln, NE
With close to one hundred Spirovents installed, The University of Nebraska at Lincoln is one of our largest higher-ed customers.
University of Michigan - Ann Arbor, MI
Replacing the old style centrifugal separator after two years of unsatisfactory system performance, the Spirovent solved the problems within two months.