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
Residential Gallery
Spirovent® remains the world class standard that others attempt to reach. Often copied but never equaled.
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.
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.