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Complaint
2. Water leaking from vent port
adapter
3. Water is effervescent
4. Loss of pressure
5. Air spurting at outside or
non‑filtered water fixtures
6. Air spurting from filtered water
fixtures*
*For further details ‑ see air
spitting document on our
website under Water News.
7. Loss of media through drain
line of filter control
21
Problem
E. Exceeding recommended filter
system flow rate
F.
Regeneration during service flow
demand
G. Raw water bleeding through filter
See specific control manual
A. Seals failed internally
B. Shuttle valve stuck in the open
position.
A. This can be expected when water
is aerated under pressure
A. See complaint #1, Page 16
A. Inlet check valve not sealing
A. Reduced pressure in distribution
system
A. New filter backwashed during first
24 hours after installation
B. Air passing through filter during
backwash
Cause
1.
Service flow rate demand is higher
than filter system design flow rate
1.
Time of day set incorrectly
1.
Internal control valve leak
1.
Pressure has exceeded rating on
system Refer to complaint #10
1.
Water supply has been naturally
aerated under well system pres-
sure. As water is released
to the atmosphere, air molecules
separate from the water.
1.
Plugged Inlet
2.
Fouled Media Bed can also cause
loss of pressure.
1.
Improper installation location
2.
Foreign material preventing check
valve from sealing
3.
Worn or faulty check valve
1.
Service flow demand is greater than
water supply available from well
pump system
2.
Water flow is restricted by supply
piping and/or water treatment
equipment
1.
New filter media is shipped in a
dry condition and must soak for
24 hours to become fully saturated
before a backwash cycle
1.
Excess air accumulated in aeration
tank from aeration pump
2.
Excess air accumulated in filter
system from water supply or well
pump
Solution
1a.
Install a flow control at filter
system outlet equal to or less
than the design flow rate of filter
system
1b.
Install additional filter(s) or a larger
single filter system which meets
both the service flow demand
and backwash flow requirements
available
1a.
Reset timer
1a.
Assure all adapter base o‑ring
seals are in place
1b. Replace seals, spacer and piston
assemblies
1a. Check pressure on system. Adjust
if necessary. Replace shuttle assy.
1b. Refer to complaint #10
1a.
This natural phenomenon will typi-
cally dissipate to the atmosphere
in a matter of seconds. If pre-
ferred, water can be drawn and
stored in an open container prior
to use (i.e. fill a pitcher and store
in the refrigerator for cool fresh
drinking water)
1a.
See 3a under #1 Solutions, pg 20
2a.
See 4a under #1 Solutions, pg 20
1a.
See installation and operation
manual for proper location of inlet
check valve
2a.
Clean or replace check valve
3a.
Replace check valve
1a.
Repair or replace well pump
system
2a.
Eliminate restrictions in supply
pipings to water treatment equip-
ment such as iron bacteria plug-
ging the upper diffuser assembly,
etc.
2b.
Install larger water treatment sys-
tem to provide less pressure drop
1a.
Clean drain line flow control,
control valve body, seals, spacers
and piston assemblies
1a.
Bleed‑of flow control in piston
assy is plugged with foreign mate-
rial – clean or replace
2a.
Repair well pump system
2b.
If the cause was due to temporary
loss of water main pressure; the
problem will most likely correct
itself with the return of continuous
pressure
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