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
Waukesha Memorial Hospital
The Spirovent was selected and installed to prevent dirt and sediment in the existing system from reaching a new addition and improvements went even beyond that.
University of Delaware - Newark, DE
Following an on-site system review, the first two Spirovents were installed in an equipment room serving two residence halls with recurring problems.
South Point Hotel, Casino & Spa - Las Vegas, NV
Custom fabricated 24" high velocity combination air eliminator / dirt separator for the hot water system and custom fabricated 30" high velocity air / dirt for chilled water.