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

Red Rock Casino Resort Spa - Las Vegas, NV
24" high velocity combination air eliminator / dirt separator.
Cottey College - Nevada, MO
From the President's house to the power plant, to almost all buildings on campus, Spirovents have contributed to efficient system performance across the campus.
Penn State University - State College, PA
Penn State is one of our largest university customers with more than 90 units installed across campus.
Unocal - Pacific Northwest, US
4" Spirovent® air eliminator being used to control foam in a bottling operation for transmission fluid and motor oil.