QUANTUM INSTALLATION GUIDE
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23
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10)
Connect the drain line to the control valve.
WARNING:
Do not remove the drain line elbow or fitting from the rear of the control valve.
(This fitting
includes the drain line flow control. If removed, the system will not work properly, and the resin will drain out
when the system regenerates.)
WARNING
: Do not install the drain line more than 3 feet above the control valve.