I-951 Page 6 of 8
Rev. F-43693 2/14/2018
Troubleshooting
(Some models may not include all items listed below)
Symptom Probable Cause Remedy
Proportioner fails to draw
chemical properly.
1. Insufficient water supply pressure.
2. Foot valve has dirt/chemical build-up.
3. Proportioner metering tip clogged with
dried chemical.
4. Mineral deposits are located on Air
Gap nozzle.
5. Bucket fill (4 GPM) side appears to
have slow flowing water stream.
1. 20 PSI is the minimum allowable pressure. Seek
Plumber if necessary to increase water pressure.
2. Soak in hot water to clean.
3. Soak in hot water to clean interior passages.
4. Soak nozzle and inlet screen in hot water or
product such as CLR to clean mineral deposits.
5. Flow disc assembly must be removed from lower
section of water valve assembly if installed.
“Air Gap” Proportioner is
dripping or spraying a mist
(fan pattern) of water.
1. Mineral deposits are located on Air
Gap nozzle.
1. Soak nozzle and inlet screen in hot water or off
the shelf product such as CLR to clean and remove
mineral deposits.
Water valve is not shutting
off completely.
1. “Sliding lever” return spring may be
missing.
2. “Sliding lever” is not returning all the
way down due to interference between
the sliding lever and either the
chemical supply and/or outlet tubing.
3. Bucket fill outlet hose is catching the
bottom edge of the sliding lever during
normal usage.
1. Remove cover and visually check for sliding lever
return spring. Replace if missing.
2. Remove cover and visually check for any tubes
rubbing the sliding lever. Routing of chemical
supply and outlet tubing must not restrict the
movement of the sliding lever. Reroute tubing.
3. Don’t pull the bucket fill outlet hose too tight from
either side otherwise sliding lever may not return
properly.
Water valve is leaking. 1. Enclosing tube nut is too loose.
2. One or more of the valve o-ring
connections are out-of-position.
Identify each leak before disassembly.
1. Shut water supply off first. Hand-tighten the
enclosing Hose nut. Do not overtighten w/tool.
2. “O-ring” seals may be pushed out of place or
missing when sub-assembling valve together.
Threaded connections are
leaking water.
1. The connection between the blend
center and water supply line is too
loose or rubber washer is missing.
2. Backflow prevention devices and/or
proportioners are too loose.
1. Shut water supply off first. Carefully tighten the
female hose coupling on the blend center to the
inlet water supply line. Do not overtighten.
2. Tighten loose connection(s) with tools if
necessary. Do not overtighten if using tools.
Proportioner continues to
draw chemical after water
valve is closed.
1. Concentrated chemical is positioned
higher than the proportioner.
1. Move the concentrated chemical so it is lower than
the proportioner.
Parts List (See pages 6-8)
BOTTLE/HOSE FILL APPLICATIONS
NO. PART NO. DESCRIPTION
1 63-35 Magnet
2 98-7-2 Enclosing Tube Nut
3 41-7-25 Enclosing Tube
4 98-41-1 Spring
5 98-24-1 Plunger
6 41-15-10 Diaphragm With Center Hole EPDM
7 98-25-1 Bottle/Hose Repair Kit
8 89-20-1 Flow Disc Assembly (1 GPM only)
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