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
Unocal - Pacific Northwest, US
4" Spirovent® air eliminator being used to control foam in a bottling operation for transmission fluid and motor oil.
Healthcare Gallery
Spirovent® and Spirotrap® separators are installed in hundreds of hospital and medical centers throughout North America.
University of Arkansas Medical Sciences - Little Rock, AR
High velocity 18" air eliminator on the hot water system, and custom high velocity 30" air eliminator on chilled water system.
International ALERT Academy, Big Sandy, TX
“I have not had to vent a coil in the three months since