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View Full Version : Apollo thermal expansion control valve on HWT


Daniel Leung
05-05-2010, 05:28 PM
Why an Apollo thermal expansion control valve is installed on top of a new hot water tank?
Jim Luttrall
05-05-2010, 09:05 PM
Takes the place of a thermal expansion tank.
Daniel Leung
05-05-2010, 09:21 PM
Thank you, Jim.