Sloan Regal Flushometer Troubleshooting

• 1. Flushometer Does Not Function

  A. Control Stop or Main Valve is Closed.

  Open Control Stop or Main Valve.

  B. Handle Assembly is Worn.

  Install Sloan Handle Repair Kit or replace handle.
  Sloan B-50-A Handle Repair Kit

  C. Relief Valve is worn.

  Replace Inside Parts Kit.
  Sloan Regal Flushometer Drop-In Kits
  Sloan Regal Flushometer Rebuild Kits

• 2. Insufficient volume of water to adequately siphon fixture.

  A. Control Stop not open enough.

  Adjust Control Stop for desired delivery of water.

  B. Urinal Flushometer Parts Inside a Closet Flushometer.

  Replace Inside Urinal Parts with proper Closet Flushometer Parts.
  Sloan Regal Flushometer Drop-In Kits
  Sloan Regal Flushometer Rebuild Kits

  C. Low Consumption Flushometer Installed on a Non-Low Consumption Fixture.

  Replace Inside Parts Kit with Water Saver Kit. Sloan Regal Flushometer Drop-In Kits
  Sloan Regal Flushometer Rebuild Kits

  D. Water Saver Kit Installed in Old, Non-Water Saver Bowl.

  Position Refill Head A-170 so that SIDE 1 is in 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 open the Control Stop.

  • If the fixture siphons, more water volume is required
  • If fixture does not siphon or if a Low Consumption fixture is installed, or if the above steps do not prove satisfactory, steps must be taken to increase the pressure and/or supply.

• 3. Flushometer Closes Off Immediately.

  A. Ruptured or Damaged Diaphragm

  Install NEW Inside Parts Kit to correct above problems and update Flushometer.
  Sloan Regal Flushometer Drop-In Kits
  Sloan Regal Flushometer Rebuild Kits

  B. Enlarged By-pass Orifice from Corrosion or Damage

  Install NEW Inside Parts Kit to correct above problems and update Flushometer.
  Sloan Regal Flushometer Drop-In Kits
  Sloan Regal Flushometer Rebuild Kits

• 4. Length of Flush is Too Short (Short Flushing).

  A. Diaphragm Assembly and Guide Assembly are Not Hand Tight

  Screw the two assemblies hand-tight.

  B. Enlarged By-pass Orifice from Corrosion or Damage

  Install NEW Inside Parts Kit to correct problem and update Flushometer.
  Sloan Regal Flushometer Drop-In Kits
  Sloan Regal Flushometer Rebuild Kits

  C. A-19-AU (Black) Urinal Relief Valve in Closet Flushometer

  Replace Relief Valve with Closet Relief Valve
  Sloan A-19-AC Toilet Relief Valve White

  D. A-41-A Low Consumption Kit Installed in Non-Low Consumption Fixture

  Replace with proper Inside Parts Kit
  Sloan Regal Flushometer Drop-In Kits
  Sloan Regal Flushometer Rebuild Kits

  E. Handle Assembly is Worn

  Install handle repair kit or replace the handle
  Sloan B-50-A Handle Repair Kit

• 5. Length of Flush is Too Long (Long Flushing) or Fails to Close Off.

  A. Relief Valve (A-19-A) is Not Seating Properly, or Bypass Orifice is Clogged by Foreign Material

  Disassemble the working parts and wash thoroughly

  B. Bypass Orifice is Closed by an Invisible Gelatinous Film from "Over-Treated" Water

  Disassemble the working parts and wash thoroughly

  C. Line Pressure Has Dropped and Is Not Sufficient to Force Relief Valve to Seat

  Shut off all control stops until pressure has been restored, then open them again.

  D. A-19-AC (White) Closet Relief Valve has Been Used in a 1 or 1.5 gpf Urinal

  Replace with proper relief valve
  Sloan A-19-AU Urinal Relief Valve Black

  E. Inside Cover is Crated or Damaged

  Replace the Inside Cover
  Sloan A-71 Inside Cover

• 6. Chattering Noise in Flushometer.

  A. The A-156-A Segment Diaphragm Has Been Installed Up-side Down

  Replace the segment diaphragm to the proper position as instructed by markings on the diaphgragm

  B. The Inside Cover Has Been Distorted From Wear, Freezing or Abuse

  Replace Inside Cover
  Sloan A-71 Inside Cover

• 7. Leaking at Handle Assembly.

  A. The B-39 Seal is Worn or Deteriorated

  Install new seal
  Sloan B-39 Handle Seal
  Sloan B-50-A Handle Repair Kit
  Sloan B-51-A Triple Seal Handle Repair Kit

  B. Handle gasket has been omitted

  Install handle gasket or sloan handle repair kit
  Sloan A-31 Handle Gasket
  Sloan B-50-A Handle Repair Kit
  Sloan B-51-A Triple Seal Handle Repair Kit

  C. Valve Handle Bushing is Worn

  Install Sloan Handle Repair Kit
  Sloan B-50-A Handle Repair Kit