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Flush the supply lines using the flushing plug
When finishing the wall, install the wall material up
to the oval installation box.
Do not remove the installation box.
When the trim is installed, the plaster shield portion
of the installation box will be trimmed nearly flush
to the wall and sealed to provide protection against
water damage.
The installation box includes a flushing plug to
permit line flushing and pressure testing before
the cartridge and finishing parts are installed. A
pressure test of the installed piping should be per-
formed before the walls are closed.
The flushing plug permits cold water to flow from
the bottom outlet and the hot water through the top
outlet.
To flush the lines, install a hose bibb and hose
to each outlet line. (Using a hose will permit the
water to be directed to a location where it will
not cause damage.) Flush the lines for at least 5
minutes.
The porting in the flushing plug prevents cross flow.
However, it does not stop the flow of water through
the outlets.
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