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.
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.
Higher-Ed Gallery
For almost two decades Spirotherm® has been working with facilities departments to provide solutions for problem systems.
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.