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.

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Red Rock Casino Resort Spa - Las Vegas, NV
24" high velocity combination air eliminator / dirt separator.
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Spirovent® is now the basis of design in many specifications by the top consulting engineering firms for new construction.
Maine Medical Center - Augusta, ME
Three of the larger Spirotherm® products on this multi-system project.
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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.