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The plug and/or injector can be pried out with a small screwdriver/ the plug can be wiped clean.
If the lug leaks replace the entire plug. The injector consists of a throat and a nozzle. Chemically
clean the injector with vinegar or sodium bisulfate. The holes can be blown out with air. Both
pieces have small diameter holes that control the flow rates of water to insure that the proper
concentration of regenerant is used. Sharp objects, which can score the plastic, should not be
used to clean the injector. Scoring the injector or increasing the diameter of the hole could
change the operating parameters of the injector.
Two holes are labeled DN and UP. Check for compliance with one of the following:
a.
for down flow systems, the appropriate size injector is located in the “D” hole, a plug is in
the “UP” hole and that the piston is a combination of the down flow main piston and the
regenerant piston; or
b.
for backwash only systems, a plug is in the “DN” hole and in the “UP” hole, and that the
piston only has a down flow main piston (the regenerant piston must be removed) and a
plug is in the refill flow control position.
Push the plug(s) and/or injectors firmly in place, replace the screen and hand tighten the injector
cap.
Refill Flow Control Assembly or Refill Port Plug
To clean replace the refill flow control, pull out the elbow-locking clip and then pull straight up on
the elbow. Replace the elbow locking clip in the slot so that it is not misplaced. Twist to remove
the white flow control retainer. The flow control can be removed by prying upwards through the
side slots of the retainer with a small blade flat screwdriver.
Chemically clean the flow control or the white flow control retainer using dilute sodium bisulfate
or vinegar. Do not use a wire brush. If necessary, replace the flow control, o-ring on the flow
control retainer, or the o-ring on the elbow.
Reset the flow control so the rounded end is visible in the flow control. Reset the white flow
control retainer by pushing the retainer into the elbow until the o-ring sets. Remove locking clip,
push down on elbow to reset and insert locking clip.
Do not use Vaseline, oils, or other unacceptable lubricants on o-ring. A silicon lubricant may be
used on the o-ring on the elbow or the white retainer.
Meter Plug
This control valve does not come equipped with a meter, instead a plug is installed. The plug
should not need to be serviced.
To remove the meter plug assembly, unscrew the meter cap on the left side of the control valve.
Pliers may be used to unscrew the nut if necessary.
With the nut removed, a slot at the top of the meter plug is visible. Twist a flat blade screwdriver
in the slot between the control valve body and the meter plug. When the meter plug is part way
out it is easy to remove the meter plug from the housing.
Do not use a wire brush to clean. Wipe with a clean cloth or chemically clean in dilute sodium
bisulfate or vinegar.
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