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

Boehringer Ingelheim - St. Joseph, MO
Custom 20" high velocity dirt and sediment separator with removable top head for access to Spirotube® element bundle.
Purdue University - West Lafayette, IN
Spirovent exceeds expectations and leads the University to purchase and install (32) additional units at the village.
American Museum of Natural History - New York, NY
Custom fabricated 30" high velocity air eliminator installed to solve noise problems in the existing system.
Industrial Gallery
Spirovents have been installed in many new and existing industrial HVAC systems.