Installation Guide

TROUBLESHOOTING GUIDE
I. Flushometer does not function.
A. ControlStopor MainValveisClosed.OpenControlStoporMainValve.
B. Handle Assembly is worn. Install Sloan Handle Repair Kit (B-50-A) or
replace handle.
C. Relief Valve is worn. ReplaceInside Parts Kit.
II. Insufficient volume of water to adequately siphon fixture.
A. Control Stop notopen enough. Adjust Control Stop for desired delivery
of water.
B. Urinal Flushometer Parts inside a Closet Flushometer. Replace Inside
Urinal Parts withproper Closet Flushometer Parts.
C. Low Consumption Flushometer installed on a non-Low Consumption
fixture. ReplaceA-41-A Inside PartsKit with A-38-A Water Saver Kit.
D. Water Saver Kit installed in old, non-Water Saver bowl. Position Refill
Head A-170 so that SIDE 1 isin the UP Position.
E. Inadequate volume or pressure at supply.
• If no gauges are available to properly measure supply pressure or
volume of water at the Flushometer, then remove the Relief Valve
from the Inside Parts Kit, reassemble the Flushometer and openthe
Control Stop. If the fixture siphons, more water volume is required.
If a 3.5 gpf Inside Parts Kit is installed in the Flushometer, then first
fliptheRefillHead(undertheDiaphragm)to obtaina 4.5gpfvolume.
Ifthisvolumeisstillinadequate,removetheFlowRingfromtheGuide
to obtain a 6.5 gpf Kit. If additional flow is still required, try a Low
Pressure Guide Kit A-175-A (#0301104). IMPORTANT - Laws and
RegulationsrequiringLowConsumptionFixtures(1.6gpfWater
Closets and 1.0 gpf Urinals) prohibit the use of higher flushing
volumes.
• If fixture doesnot siphon orif aLow Consumptionfixture isinstalled,
or if the above steps do not prove satisfactory, steps must be taken
to increase thepressure and/or supply.
III. Flushometer closes off immediately.
A. Ruptured or damaged Diaphragm. Install Inside Parts Kit to correct
problem and update Flushometer.
B. EnlargedBy-pass orificefrom corrosion ordamage. InstallInside Parts
Kit to correct problem and update Flushometer.
IV. Length of flush is too short (Short Flushing).
A. Diaphragm Assembly and Guide Assembly are not hand-tight. Screw
the two assemblieshand-tight.
B. EnlargedBy-pass orificefrom corrosion ordamage. InstallNEW Inside
Parts Kit tocorrect problem and update Flushometer.
C. A-19-AU (Black) Urinal Relief Valve in Closet Flushometer. Replace
Relief Valve withA-19-AC (White) ClosetRelief Valve.
D. A-41-ALowConsumption Kitinstalled innon-Low Consumptionfixture.
Replace with properInside Parts Kit.
E. Handle Assembly is worn. Install Handle Repair Kit B-50-A or replace
the Handle.
V. Lengthof flushistoolong (LongFlushing)or failstoclose off.
A. ReliefValve(A-19-A)isnotseatingproperlyorBy-passorificeisclogged
because of foreign material, or By-pass orifice is closed by an invisible
gelatinous film from “over-treated” water.
Disassemble the working parts and wash thoroughly. NOTE: SIZE OF
THE ORIFICE IN THEBY-PASS ISOF UTMOST IMPORTANCE FOR
THEPROPERMETERINGOFWATERINTOTHEUPPERCHAMBER
OF THE FLUSHOMETER. DO NOT ENLARGE OR DAMAGE THIS
ORIFICE.REPLACEINSIDEKITIFCLEANINGDOESNOTCORRECT
PROBLEM.
B. Line pressure has dropped and is not sufficient to force Relief Valveto
seat. Shut off all control stops until pressure has been restored, then
open them again.
C. A-19-AC (White) Closet Relief Valve has been used in a 1 or 1-1/2 gpf
Urinal. Replace withA-19-AU (Black) ReliefValve.
D. Inside Coveris cracked or damaged. Replace the Inside Cover (A-71).
VI. Chattering noise in Flushometer.
A. The A-156-A Segment Diaphragm has been installed upside-down.
Replacethe SegmentDiaphragmtotheproperpositionasinstructedby
markings on the Diaphragm.
B. The Inside Cover has become distorted from wear, freezing or abuse.
Replace InsideCover.
VII. Leaking at Handle Assembly.
A. TheB-39Sealiswornordeteriorated.InstallnewB-39Seal.NOTE:The
B-39 Sealwill easily slide ontothe B-40 Bushing if it is wet.
B. Handle gasket has been omitted. Install A-31 Handle Gasket or Sloan
Handle Repair Kit(B-50-A).
C. ValveHandleBushingisworn.InstallSloanHandleRepairKit(B-50-A).
Refer to the Regal Flushometer Maintenance Guide for additional
Troubleshootingand Repair Part information.
If further assistance is required, please contact the Sloan Valve Company
InstallationEngineering Department at847/671-4300.