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

Penn State University - State College, PA
Penn State is one of our largest university customers with more than 90 units installed across campus.
Red Rock Casino Resort Spa - Las Vegas, NV
24" high velocity combination air eliminator / dirt separator.
Kansas State University - Manhattan, KS
Following the installation of numerous smaller units on campus that met all expectations, a separator upgrade was proposed for the central plant.
Commercial Gallery
Spirovent® is now the basis of design in many specifications by the top consulting engineering firms for new construction.