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30 Mechanical Minutes
Every closed-loop hydronic system begins its service life filled with air, and that transition from air-filled to liquid-filled is called purging—as all of the air is “purged” from the system. With modern methods it’s possible to efficiently purge air from circuits and keep them air free over time.

Join HPAC Magazine and John Siegenthaler as we discuss the ins and outs of circuit purging – getting the air out when filling or re-filling a hydronic system.


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