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Pump does not
start
b. Incoming water pressure is
below 30 psi.
c. Low-pressure switch is not
a. Make sure the pump is plugged in. If
it is plugged in and still not kicking on,
make sure it is not plugged into the
same outlet as the garbage disposal.
Typically this outlet only has power
when the garbage disposal is switched
on.
b. Increase the incoming water pressure,
such as adding a booster pump.
c. Contact the iSpring Customer Service
Pump runs 24/7
a. If the output flow remains
normal, the high-pressure switch
is faulty.
b. If the output flow is little to
no, either the check valve is
losing pressure, or the pump
a. Contact the iSpring Customer Service
Team for replacement.
b. Contact the iSpring Customer Service
Team for replacement.
For questions or concerns, please contact us at support@123filter.com or visit our help page at
123filter.com/support
Glossary and Terms to Know
Add-On Kit (#ACL1): Filter add-on kit for adding additional inline filters to an existing system. It
comes with quick-connect elbow fittings, filter clamps, and extra tubing
Auto Flush Solenoid Valve (#ASOF7): Automatically flushes the RO membrane to preserve
membrane life and efficiency
Booster Pump (#PMP150): 24-volt booster pump used by residential iSpring RO systems
Check Valve (#ACV1K): One-way valve that does not allow water back into the membrane housing.
It looks like a standard f
itting and is located on the RO water port of the membrane housing
CTO Carbon Block Filter (#FC15): 3
rd
stage. 5-micron 10" carbon block filter. Further reduces
any residual chlorine, tastes, and odors before the water reaches the RO membrane
Drain Saddle (#ADS1K): Attaches to your under-sink drain pipe to secure the drain tube coming
from the system
Elbow Fittings (#4044K): Quick connect elbow fittings used on the system (except the membrane
housing and cap). 1/4" tubing connection and 1/4" NPT male thr
ead
Feed Water Adapter (#AFW43): It goes in line with your cold water line and branches off a water
supply line to the RO system. Can adapt to 3/8" and 1/2" cold water lines
Feed Water Solenoid Valve (#ASOW7): Opens the water supply to the booster pump when the
low-pressure switch and high-pressure switch are both on. Shuts off the water supply when one or
both turn off
Flow Restrictor (#AFR300): Limits the drain water flow, keeping pressure in the system and
allowing the RO proce
ss to occur
GAC Filter (#FG15): 2
nd
stage. 5-micron 10" granulated activated carbon filter. Reduces chlorine,
tastes, and odors from the water
GPD: Gallons Per Day
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