Air Management and Pressurization Part 5: Is It A Compression Tank or an Expansion Tank?

By Chad Edmondson

 As we bring our first series about air management in a hydronic system to a close, we’re going to revisit tanks – not what they do (we’ve already covered that) but what we call them.  Specifically, we want to address whether or not there is a difference between what some industry professionals call an “expansion tank” and what others call a “compression tank.” 

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