Installation Guide

FV838 Rev. A 10/5/2023
Page 7
Retrot Installation Instruction
1.Turno󰀨thecontrolstopbyturningitclockwiseusingaathead
screwdriver.Then,usetheelectronicormanualoverridebutton
ormanualhandletoushthewateroutoftheushvalve.
2. Remove the existing valve cap/head and diaphragm kit from the
valve body to achieve the desired state shown on the top right.
3.(FORULFUNIVERSALKITONLY)
Loosen the tailpiece nut from the control stop and slide the
tailpieceoutofthecontrolstop.Ifthevalvebodydoesnothave
matchingtailpiecetabsasshownonetheright,carefullyinsert
thetailpieceintothecontrolstop,tightenthetailpiecenut,and
proceed to Step 4.
 Iftailpiecetabsarepresent,presstheFlowRestrictorinto
thetailpiece,aligningthetabswiththepocketsontheFlow
Restrictor. Carefully insert the tailpiece into the control stop and
tighten the tailpiece nut.
4. Ensure the Volume Control Ring is installed on the manifold stem.
Slidethediaphragmkitintothevalvebody,orientingtheorice
opposite the control stop as depicted in Figure on the bottom.
5.Install thevalve head and diaphragmkit onto thevalvebody.
Rotate the valve head so that the sensor window faces outward.
Refer to the Sensor Angle Adjustment section for additional details
if needed.
6.Beforetighteningthelockingring,ensurethatbothstrapwrench
and locking ring are completely dry. This will optimize the grip of
the strap wrench on the locking ring.
 Handtightenthelockingringontothevalvebody.Ifthelocking
ringwillnotthreadontothevalvebody,gototheLockingRing
Change Section. Finish tightening the locking ring using the strap
wrench. Turn the locking ring at least 1/3 of a turn with the strap
wrench.
7. (if applicable)
Remove the Manual Handle. Place the Handle Cap Seal in the
Handle Cap and torque the handle cap in place.
8.Slowlyturnthecontrolstopcounter-clockwiseusingaathead
screwdrivertoturniton,andcheckforanyleaks.Ifleaksoccur,
tighten the locking ring further.
 ProceedtotheBatteryInstallationsectiontopowerontheunit
andcheckforleaksagainafterushingthevalve.
 Ifleaksarestillpresent,youmayusealargewrenchontheats
of the locking ring to tighten it.
Mating Pockets (X2)
Tailpiece Tabs (X2)
Orice
Volume
Control Ring
Manifold Stem