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2013MaxitrolCompany.AllRightsReserved.DRAFT09.18.201361VentProtectorDesignedforoutdoorapplications.Useonventopeningtoprotectbreatherholefromrainsnowdustinsectsandotherforeignparticles.NOTEVentprotectorMUSTbemountedinanuprightposition.13A15for18NPTvent.Foroutdoorusein325-3325-3LRV48RV52RV53RV61R500SZandR600SZ.13A15-5for38NPTvent.Foroutdoorusein325-5325-5LRV81210D.13A25for12NPTvent.Foroutdoorusein325-7A325-7AL325-9325-9LRV91210E.NOTENOTaventlimitingdevice.ConsultMaxitrolregardingotherconfgurations.VentDampenerKVOP-3Usedon325-5325-5L.KVOP-4Usedon325-7A325-7AL.VentScreenBrass40meshscreenamearrestorforinsertioninventoutlet.Preventsignitionofgas-airmixturewhichmightbepresentinupperdiaphragmchamber.13A03-1for18NPTvent.13A03-2for14NPTvent.13A03-3for38NPTvent.13A03-4for12NPTvent.13A03-6for34NPTvent.PressureTapConnectorPF10Pressuretapconnectorinstalledaspartofthecontrol.Itisahosettingincorporatingacapturedsealingmeansfortestinginletandoutletpressures.Thiseliminatestheneedforaspecialbarbtting.DustCapUseonventopeningtopreventblockageofbreatherholefromdustorotherforeignparticles.13A09for18NPTvent.Press-inplasticcap.TamperProofSealsPermanentpressuresensitivebackedpaper.Attemptedremovalofthesesealswilldestroythefacestockleavingadhesiveresidueonsurfacebeneath.Thereforetamperingcanbeeasilydetected.Availableforallthreadedmodels.Outletpressureprintedonseal.101310forRV12RV20LRV47RV48RV52RV53RV61R400SZRV500SZR600SZ325-3and325-5.101311forRV81RV91RV111210D210E210G325-7A325-9.13A1513A15-513A25KVOP-313A03PF1013A09101310ACCESSORIESCUS