Installation Guide

ISPRINGROSYSTEMMAINTENANCE
AlliSpringROsystemsaredesignedwitheaseofuseandlowmaintenanceinmind.Ifthefilter
cartridgesarechangedonscheduleassuggestedbelow,thesystemwillworkproperlyforyearsto
come.
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Note:Stages6and/or7onlyexistoncertainmodels.Toorderreplacementfiltersforyoursystem,visit
123Filter.comandsearchyoursystem’smodelnumber.
Stage1–3PreFilters
Replaceevery6months,orsoonerifyounoticeadecreaseinwaterfloworquality.
Thereplacementfrequencydependsonyourwaterusageandsourcewaterquality.ToprotecttheRO
membranefromchlorineandotherdamagingcontaminants,itisimportanttochangetheprefilters
accordingtoschedule.
Howtochangethestage1–3prefilters:
1. Shutoffthecoldwatersupplyvalveandtankvalve,andopentheROfaucettodepressurizethe
system.Placeabucketortowelunderthesystemtocatchanywaterspills.
2. Ifthereisenoughroomunderthesinkandthefiltersystemishungonthewall,youcantwist
thefilterhousingoffwithoutremovingthesystemfromthewall.Otherwise,youwillneedto
pullthesystemout,layitdown,andremovethehousingsatthatpoint.Becarefulwiththe
tubingconnectionswhenremovingthesystem.
3. Twistoffthefilterhousingsinacounterclockwisedirectionusingthefilterhousingwrench.
4. RefertoInstallationStep1.1toinstallthenewverticalfiltercartridges,andtightenthefilter
housingsbackon.Remembernottoovertightenthemortheywillbehardtounscrewnext
time.
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Stage4ROMembrane:Replaceevery2–3years
orsooneriftheTDSlevelstartsincreasing. 
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