- Industrial & lab equipment
- Measuring, testing & control
- Sloan
- 900 Concealed Flushometer
- User manual
- 7 Pages
Sloan 900 Exposed Flushometer, 900 Concealed Flushometer Flushometer Repair Parts and Maintenance Guide
Below you will find brief information for Flushometer 900 Exposed Flushometer, Flushometer 900 Concealed Flushometer. This document provides parts list, installation and troubleshooting guide for the flushometer, aiding in repair and maintenance procedures. It includes detailed diagrams, part numbers and descriptions, and step-by-step instructions for common issues and repair options.
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Repair Parts and Maintenance Guide Series 900® Flushometer Manual Flushometers PARTS LIST FOR SERIES 900® EXPOSED FLUSHOMETER Item No. 1. 2A. 2B. 2C. 3A. Code No. Part No. Description 0301048 A-143-AValve Body 0318065PK HY-65Valve Actuator Housing 0301082PK A-6Housing Nut 3318001PK HY-83-AActuator Cartridge Assembly 3308386 H-700-ABak-Chek® Control Stop (Royal Valves) for 1” 3308384 for ¾” 3B. 0388065 H-790-ABak-Chek® Control Stop (Regal XL Valves) for 1” 0388064 for ¾” 4A. 3893004 V-600-AA1½” (38 mm) Vacuum Breaker Assembly 4B. 3393006 V-600-AA1¼” (32 mm) Vacuum Breaker Assembly 4C. 3393004 V-600-AA¾” (19 mm) Vacuum Breaker Assembly 4D. 0393003 V-600-AVacuum Breaker 5. 0396293 F-1091½” (38 mm) Elbow Flush Connection 6A. 0306146 F-5-AT1-1/2” (38 mm) Spud Coupling Assembly (Royal Valves) 0306145F-56-A1½” (38 mm) Spud Coupling Assembly (Regal XL Valves) 6B. 0306140 F-5-AU1¼” (32 mm) Spud Coupling Assembly (Royal Valves) 0306142F-55-A1¼” (32 mm) Spud Coupling Assembly (Regal XL Valves) 6C. 0306125 F-5-AW¾” (19 mm) Spud Coupling Assembly (Royal Valves) 0306102F-54-A¾” (19 mm) Spud Coupling Assembly (Regal XL Valves) 7. 3308782H-633-AA1” (25 mm) Sweat Solder Kit & Cast Wall Flange w/ Set Screw 3308788H-636-AA¾” (19 mm) Sweat Solder Kit & Cast Wall Flange w/ Set Screw 8. 0318064PKHY-646” Chrome Sleeve 9. ‡ F-7 Supply Flange 10. 3318002 HY-112-APlate with Screws 11A. 3308772H-1010-AFree Spinning Vandal Resistant Stop Cap (Royal Valves) 11B. 5388002 H-528Vandal Resistant Hole Plug (Regal Valves) 12A. 0318221 HY-146 1/4” (6mm) x 48” (1219 mm) Yellow connecting tube 12B. 0318217 HY-145 1/4” (6mm) x 48” (1219 mm) Blue connecting tube 7 3B 3A 11B 10 12B 2C 9 1 11A 8 12A 2A 4A 2B 4D 4C 4B 6C 6B 5 6A 6A † Part number varies with valve model variation; consult factory. ‡ Length varies with valve variation; consult factory. 22 The information contained in this document is subject to change without notice. Repair Parts and Maintenance Guide Series 900® Flushometer PARTS LIST FOR SERIES 900® CONCEALED FLUSHOMETER 10 11A 11B Code No. Part No. Description 0301173 A-72RB Royal® Cover 0301168 A-71Inside Cover SEE THE INSIDE PARTS KIT CHART ON NEXT PAGE 3323182 V-651-AVacuum Breaker Repair Kit 0308690 H-550RB Tailpiece Coupling 0308802 H-551-ARB Adjustable Tailpiece, 2-1/16” (52 mm) 5308696 H-553O-ring – 24 per package 5308381 H-552Locking ring – 12 per package 0388010 H-730-ARB Wheel Handle Bak-Chek® Control Stop 3308855 H-541-A1” Wheel Handle Repair Kit for H-730-A Control Stop 3308858 H-543-A3/4” Wheel Handle Repair Kit for H-730-A Control Stop 10. 0308919 H-558-AWheel Handle 11A. 0208083 H-6231” RB Bonnet 11B. 0208083 H-6233/4” RB Bonnet 12. See page V-500-AA Royal Vacuum Breaker Flush Connection 111 (specify length and size) 13. 0306619 F-2-AA1-1/2” (38 mm) RB Couplings (2 each), Friction Rings (2 each), and Rubber Gaskets (2 each) 14. 0206146 F-21RB Elbow 15. 0306091 F-2-A1-1/2” (38 mm) RB Coupling and S-21 Flat Rigid Gasket 16. See pages F-100 RB Flared End Flush Connection (specify length) 111-116 17. See pages F-15-A 3/4” (19 mm) RB Elbow Flush Connection with 111-116 Coupling and Rubber Gasket (specify length) 18. 0306054 F-2-A3/4” (19 mm) RB Coupling, Friction Ring, and Rubber Gasket 19. 0318024 HY-109RB Valve Actuator Housing (includes fittings) 20A. 0318221 HY-1461/4” (6 mm) x 48” (1219 mm) Yellow Connecting Tubes (2 required) 20B. 0318217 HY-1451/4” (6 mm) x 48” (1219 mm) Blue Connecting Tubes (2 required) 21. 0301082 A-6RB Handle Coupling Nut 22. 3318005 HY-109-AActuator Housing Assembly (includes items 21 & 24) 23. 3318001 HY-83-AActuator Cartridge Assembly 24. 0337086 DO-22 O-ring for HY-109-A Adapter 25. SEE SLIP JOINT GASKETS AND RINGS TABLE BELOW 26. 0301050 A143-A RB Valve Body 9A 9B Series 900® Concealed Flushometer 8 1 2 7A 3 7B 6 5 21 24 23 26 20B 20A 4 19 22 To Push Button Actuator See Actuator Variations for applicable Push Button style. 17 12 Includes Item No. 4 25 25 18 13 14 25 ITEM 27. SLIP JOINT GASKETS AND RINGS Size Code No. 1-1/2” 5306058 5322001 0319086/5319086 0319079 1-1/2” x 1-1/4”0396062 1-1/4” 5306057 5322176 0307052/5307052 1” 5306056 5306115 3/4” 5306055 5306113 Part No. F-3 VBF-5 S-30 S-21 F-105 F-3 VBF-5 G-21 F-3 F-5 F-3 F-5 15 Description Red Friction Ring Black Slip Joint Gasket Flexible Seat Rigid Seat (rubber over brass) Slip Joint Gasket – Rigid Red Friction Ring Black Slip Joint Gasket Rigid Seat (rubber over brass) Red Friction Ring Black Slip Joint Gasket Red Friction Ring Black Slip Joint Gasket The information contained in this document is subject to change without notice. Manual Flushometers Item No. 1. 2. 3. 4. 5. 6. 7A. 7B. 8. 9A. 9B. 25 16 S-21 Rigid Seat ABBREVIATIONS: CP = Chrome plated RB = Rough brass gpf = gallons per flush Lpf = Liters per flush LC = Low consumption WH = Wheel handle TAILPIECES, CONTROL STOPS, PUSH BUTTONS AND FLUSH CONNECTIONS For additional information on tailpieces, control stops, push buttons and flush connections see Showerheads, Parts and Accessories Tab. 23 Repair Parts and Maintenance Guide Series 900® Flushometer COVER ITEM 3. INSIDE PARTS KITS (SEE ILLUSTRATION ON PREVIOUS PAGE) CONTROL STOP Manual Flushometers BODY Connecting Tubes Code No. 3301502 STOP COUPLING ACTUATOR (FLUSHOMETER) 3301501 3301505 3301504 3301503 3301500 3301506 TAILPIECE COUPLING FLUSH CONNECTION (VACUUM BREAKER) Part No. Application A-1041-ALow Consumption Water Closets1.6 gpf (6.0 Lpf)* A-1038-AWater Saver Water Closets-3.5 gpf (13.2 Lpf)* A-1044-A9 Liter European Water Closets-2.4 gpf (9.0 Lpf) A-1043-AWash Down Urinals-0.5 gpf (1.9 Lpf) A-1042-ALow Consumption Urinals-1.0 gpf (3.8 Lpf)* A-1037-AWater Saver Urinals-1.5 gpf (5.7 Lpf)* A-1045-AHigh-Efficiency Water Closets-1.28 gpf (4.8 Lpf) * Water Saver (3.5 gpf closet and 1.5 gpf urinal) and Low Consumption (1.6 gpf closet and 1.0 gpf urinal) fixtures must use matching gpf (Lpf) diaphragm kits; using a smaller gpf (Lpf) kit in fixtures not intended for less volume will result in inadequate dilution in urinals and improper evacuation in closets. Push Button Actuator (Specify Type) HYDRAULIC INSIDE PARTS REPAIR KITS HY-1101-A Code No. Part No. Description 3318011 HY-1101-A Hydraulic Royal 1.6C 3318012 HY-1102-A Hydraulic Royal 3.5C 3318013 HY-1103-A Hydraulic Royal 2.4C 3318014 HY-1106-A Hydraulic Royal 0.5U 3318015 HY-1107-A Hydraulic Royal 1.0U 3318016 HY-1108-A Hydraulic Royal 1.5U Comes with: Diaphragm, Actuator Cartridge Assembly, Tailpiece O-ring and Vacuum Breaker Assembly Elbow flush connection, couplings & outlet Tube 24 The information contained in this document is subject to change without notice. Repair Parts and Maintenance Guide Series 900® Flushometer HY-49-A (0318049) METAL PARTITION PUSH BUTTON 1 1 3 1 2 3 32 3 3 1 2 3 3 12 2 1 3 1 2 4 1 4 2 21 Item 1 No. Code No. Part No. Description 4 1. 3318007 HY-1000-APush Button Kit – includes Push Button, Flange, Spring & Set Screw 2. 0318004 HY-3Spring 3. 3318010 HY-1003-AMounting Flange Kit – includes Mounting Flange, Mounting Nut, Screws (2) & Tinnerman Nuts (2) 4. 0318123 HY-71-AActuator Assembly NOTE: Includes HY-32-A cartridge (shown at right) NOTE: Maximum distance from button to valve is 20’ (longer tubing required) NOTE: HY-30 84” longer tubing (0318094) 4 8 4 6 7 6 4 5 3 5 2 Manual Flushometers 3 HY-108-A (0318119) PENAL WARE METAL PUSH BUTTON HY-72-A (0318072) SIDE WALL PUSH BUTTON 1 1 8 6 7 6 5 4 5 4 8 3 6 7 Item6 No. Code No. Part No.3 Description 5 1. 3318007 HY-1000-APush Button Kit – includes Push Button, Flange, Spring & Set Screw 2. 0318004 HY-3Spring 3. 3318008 HY-1001-AMounting Flange Kit – includes Mounting Flange, Mounting Nut, Screws (2), Nuts (2) & Washers (2) 4. 0318123 HY-71-AActuator Assembly 5. 0318041 HY-40Plate 6. 0305173 EL-173Screws (4) 7. 0318073 HY-73Extension Adapter 8. 0318074 HY-74Extension Stem 4 5 Item No. Code No. 1. 0318116 2. 0318111 3. 0318112 4. 0318115 5. 0305134 6. 0318078 Part No. Description HY-91Flange HY-94Mounting Washer HY-93Mounting Nut HY-86-APush Button Assembly EL-109Spring HY-50-AActuator Assembly NOTE: Includes HY-32-A cartridge (shown below) NOTE: Maximum distance from button to valve is 20’ (longer tubing required) NOTE: HY-30 84” longer tubing (0318094) HY-32-A ACTUATOR CARTRIDGE ASSEMBLY NOTE: Includes HY-32-A cartridge (shown at right) NOTE: Maximum distance from button to valve is 20’ (longer tubing required) NOTE: HY-30 84” longer tubing (0318094) For use with HY-50-A and HY-71-A actuator assemblies HY-100-A (0318117) FIXTURE WALL METAL PUSH BUTTON Item No. Code No. 1. 0318117 2. 3318006 3. 0305134 4. 0318078 5. 0318028 6. 0318109 7. 3318009 Part No. Description HY-100-AFixture Wall Metal Button Assembly HY-111-AMetal Button Kit EL-109Spring HY-50-AActuator Assembly HY-29Threaded Rod HY-105Spacer HY-1002-AMounting Strap Kit 1 2 4 2 3 4 1 5 3 6 5 1 2 2 3 HY-33-A (0318001) FIXTURE WALL PUSH BUTTON 1. 2. 3. 4. 5. 6. 7. 8. 0318001HY-33-AFixture Wall Push Button Assembly 3318007 HY-1000-APush Button Kit 0318004 HY-3Spring 3318008 HY-1001-AMounting Flange Kit 0318078 HY-50-AActuator Assembly 0318028 HY-29Threaded Rod 0318109 HY-105Spacer 3318009 HY-1002-AMounting Strap Kit The information contained in this document is subject to change without notice. 25 4 3 4 6 7 7 1 5 5 6 6 7 8 7 8 Repair Parts and Maintenance Guide Series 900® Flushometer HY-100-A (0318117) METAL PUSH BUTTON PANEL MOUNT HY-125-A (0318183) METAL PUSH BUTTON (MBPM VARIATION) (MBFW VARIATION) FIXTURE WALL (FW VARIATION) Item No. Code No. Part No. Description 1. 0318115 HY-86-APush Button Kit – includes Push Button, Flange, Spring & Set Screw 2. 0305134 EL-109Spring 3. 0318111 HY-94-AMounting Flange Kit – includes Mounting Nut, Screws (2) & Tinnerman Nuts (2) 4. 0318123 HY-91-AFlange Item No. Code No. Part No. Description 1. 3318115 HY-86-APush Button Kit – includes Push Button, Flange, Spring & Set Screw 2. 0318109 HY-105Spacer Mounting Tube 3. 0318125 HY-95-AMounting Flange Kit – includes Mounting Flange, Mounting Nut, Screws (2), Nuts (2) & Washers (2) 4. 0318123 HY-4-ARB Actuator Assembly 5. 0318019 HY-20-AInner Bushing 6. 0305173 HY-4RB Body Hyd Actuator Item No. Code No. 1. 0318002 2. 0318111 3. 0318003 4. 0318067 5. 0318078 Manual Flushometers HY-113-A (0318120) METAL PUSH BUTTON PANEL MOUNT NOTE: Includes HY-32-A cartridge (0318031) NOTE: Maximum distance from button to valve is 20’ (longer tubing required) NOTE: HY-30 84” longer tubing (0318094) HY-79-A (0318081) METAL PARTITION PUSH BUTTON NOTE: Includes HY-32-A cartridge (shown below) NOTE: Maximum distance from button to valve is 20’ (longer tubing required) NOTE: HY-30 84” longer tubing (0318094) NOTE: Includes HY-32-A cartridge (0318031) NOTE: Maximum distance from button to valve is 20’ (longer tubing required) NOTE: HY-30 84” longer tubing (0318094) 1 3 3 2 3 1 2 1 4 2 1 8 4 6 7 6 5 3 Item No. Code No. Part No. Description 1. 0318002 HY-1-APush Button Kit – includes Push Button, Flange, Spring & Set Screw 2. 0318004 HY-3Spring 3. 0318003 HY-2-AMounting Flange Kit – includes Mounting Flange, Mounting Nut, Screws (2) & Tinnerman Nuts (2) 4. 0318123 HY-71-AActuator Assembly NOTE: Includes HY-32-A cartridge (shown at right) NOTE: Maximum distance from button to valve is 20’ (longer tubing required) The information contained in this document is subject to change without notice. Part No. Description HY-1CP Button Flange HY-105Spacer Mounting Tube HY-2RB Mounting Nut HY-123-APush Button Assembly HY-50-AActuator Assembly 26 5 4 Repair Parts and Maintenance Guide Series 900® Flushometer Manual Flushometers TROUBLESHOOTING GUIDE 1. Push button leaks. The actuator cartridge has an accumulation of lime or its seals are damaged or worn. Replace with a new HY-32-A cartridge. 2. The flushometer DOES NOT flush and a small amount of leakage is visible below the valve. A.Foreign material lodged in the cartridge. Remove the cartridge and inspect for foreign material. Clean under running water. B.The actuator cartridge has an accumulation of lime or its seals are damaged or worn. Replace with a new HY-32-A cartridge. C.Plastic tubing is installed incorrectly. Install plastic tubing correctly. ACTUATOR CARTRIDGE REMOVAL Plastic Push Button Actuator Removal: (1)Loosen the setscrew in the button flange and remove the button, flange, and spring from the actuator body. (2)Unscrew the cartridge from the actuator body. Metal Push Button Actuator Removal: (1) Remove the button or actuator assembly from the wall or fixture. (2) D isassemble the flange or button assembly from the actuator body. (3) Unscrew the cartridge from the actuator body. NOTE: The metal push button is designed to be vandal-proof and must be removed from the wall or fixture for service. 3. The flushometer DOES NOT flush or flushes only once and will not flush a second time when the button is pushed. A.The plunger is lodged in the actuator cartridge or the plunger bypass hole is clogged. Remove actuator housing and cartridge from the flushometer. Clean under running water. If cartridge parts are worn, deteriorated or limed up and problem persists after cleaning, replace with a new HY-83-A cartridge. B.Plastic tubing is installed incorrectly. Install plastic tubing correctly (Blue tube/Blue fitting, Yellow tube/Yellow fitting). REMOVAL OF THE ACTUATOR FROM THE FLUSHOMETER: Turn off water at the control stop. Unscrew the actuator housing coupling nut from the flushometer. Remove the actuator housing from the flushometer. The tubing connections can be left intact. Carefully remove the actuator cartridge from the flushometer body to prevent the actuator from abrupt separation due to expansion of an internal spring. If the actuator cartridge is lodged in the flushometer body cavity, gently grip the exposed portion of the cartridge with a channel-lock pliers and rotate back and forth to loosen the o-ring seal. Carefully separate the actuator housing to reveal the spring and plunger. 4.Flushometer DOES NOT function (no flush). A.Control stop or main valve is closed. Open control stop or main valve. B.Relief valve is worn. Replace performance kit (Royal) or inside parts kit (Regal XL). 5. Volume of water is not sufficient to siphon fixture. A.Control stop is not open wide enough. Adjust control stop for desired delivery of water volume. B.Urinal flushometer parts installed in a closet flushometer. Replace inside urinal flushometer parts with proper closet flushometer parts. C.Incorrect dual-filtered diaphragm assembly (Royal) or inside parts kit (Regal XL) is installed in flushometer; for instance, urinal assembly inside a closet flushometer, or low consumption assembly inside a higher consumption fixture. Determine the flush volume required by the fixture and replace Royal performance kit or inside parts kit. Use valve label and markings on fixture for reference. D.Water supply volume or pressure is inadequate. If no gauges are available to properly measure supply pressure or volume of water at the flushometer, then remove the relief valve from the dual-filtered diaphragm assembly (Royal) or inside parts kit (Regal XL), reassemble the flushometer and completely open the control stop. If the fixture siphons, more water volume is required. For Royal — Install a higher flushing volume Royal Performance Kit. For Regal XL — If a 3.5 gpf Inside Parts Kit is installed in the flushometer, then first flip the refill head (under the diaphragm) to obtain a 4.5 gpf volume. If this volume is still inadequate, remove the flow ring from the guide 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 REGULATIONS REQUIRING PROHIBIT THE USE OF HIGHER FLUSHING VOLUMES THAN LISTED ON FIXTURE OR FLUSHOMETER. If the fixture does not siphon or if a low consumption flush is required, steps must be taken to increase the water supply pressure and/or volume. Contact the fixture manufacturer for minimum water supply requirements of the fixture. 6. Flushometer closes off immediately. A.Ruptured or damaged diaphragm. Replace Royal performance kit (Royal) or inside parts kit (Regal XL). B.For Regal XL— An enlarged bypass orifice from corrosion or damage. Replace inside parts kit. 7.Length of flush is too short (Short Flush). A.For Regal XL — The diaphragm assembly and guide assembly are not hand tight. Screw the two assemblies hand tight. B.For Regal XL — An enlarged bypass orifice from corrosion or damage. Replace inside parts kit. C.Dual-filtered diaphragm assembly (Royal) or inside parts kit (Regal XL) is damaged. Replace Royal performance kit or inside parts kit. D.Incorrect dual-filtered diaphragm assembly (Royal) or inside parts kit (Regal XL) is installed in flushometer; for instance, urinal assembly inside a closet flushometer, or low consumption assembly inside a higher consumption fixture. Determine the flush volume required by the fixture and replace Royal performance kit or inside parts kit. Use valve label and markings on fixture for reference. 27 The information contained in this document is subject to change without notice. Repair Parts and Maintenance Guide Series 900® Flushometer TROUBLESHOOTING GUIDE (CONTINUED) Manual Flushometers 7. Length of flush is too long (long flush) or continuous. A.For Royal — Metering bypass hole in diaphragm is clogged. Remove the dual-filtered diaphragm assembly. Remove the primary and secondary filter rings from the diaphragm and wash under running water. Replace Royal performance kit if cleaning does not correct the problem. B.For Regal XL — Relief valve (A-19-A) is not seating properly or bypass orifice is clogged. Disassemble the working parts and wash thoroughly. NOTE: SIZE OF THE ORIFICE IN THE BYPASS IS OF UTMOST IMPORTANCE FOR THE PROPER METERING OF WATER INTO THE UPPER CHAMBER OF THE FLUSHOMETER. DO NOT ENLARGE OR DAMAGE THIS ORIFICE. REPLACE INSIDE PARTS KIT IF CLEANING DOES NOT CORRECT PROBLEM. C.Supply line water pressure has dropped and is not sufficient to close the valve. Close control stop until pressure is restored. D.Dual-filtered diaphragm assembly (Royal) or inside parts kit (Regal XL) is damaged. Replace Royal performance kit or inside parts kit. E.Incorrect dual-filtered diaphragm assembly (Royal) or inside parts kit (Regal XL) is installed in flushometer; for instance, urinal assembly inside a closet flushometer, or low consumption assembly inside a higher consumption fixture. Determine the flush volume required by the fixture and replace Royal performance kit or inside parts kit. Use valve label and markings on fixture for reference. F. White closet relief valve has been used in a urinal flushometer. Replace closet relief valve (A-19-AC) with black urinal relief valve (A-19-AU). G. Inside cover is cracked or damaged. Replace the inside cover (A-71). H. Conditions in the piping system may contribute to the noise. A degree of high pressure in the piping may be relieved by adjustments to control stop. Other noises created by loose pipes, lack of air chambers, inadequate pipe sizes, etc., are problems that must be discussed with the building engineer. 8. Chattering noise is heard during flush. A.Inside cover is damaged. Replace inside cover (A-71). B.For Regal XL — A-156-A segment diaphragm has been installed upside-down. Reposition the segment diaphragm properly (see markings on the diaphragm). CARE AND CLEANING INSTRUCTIONS DO NOT USE abrasive or chemical cleaners (including chlorine bleach) to clean flushometers that may dull the luster and attack the chrome or special decorative finishes. Use ONLY mild soap and water, then wipe dry with a clean towel or cloth. While cleaning the bathroom tile, protect the flushometer from any splattering of cleaner. Acids and cleaning fluids will discolor or remove chrome plating. When assistance is required, please contact Sloan Technical Support at: 1-888-SLOAN-14 (1-888-756-2614). The information contained in this document is subject to change without notice. 28
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Key Features
- Parts list
- Installation guide
- Troubleshooting guide
- Detailed diagrams
- Part numbers and descriptions
- Step-by-step instructions
- Common issues
- Repair options
Frequently Answers and Questions
What is a Flushometer?
A flushometer is a plumbing fixture used to control the flow of water to a toilet or urinal. The flushometer is responsible for delivering the correct amount of water to properly flush the fixture. It is operated by pushing a button or lever.
Why does my flushometer leak?
There are several reasons why your flushometer might leak. One possibility is that the actuator cartridge has an accumulation of lime or its seals are damaged or worn. You can try cleaning the cartridge, or if the problem persists, replace it with a new cartridge.
What does it mean if my flushometer is not flushing?
Several factors can cause your flushometer not to flush. You should check if the control stop or main valve is closed, if the relief valve is worn, or if the water supply volume or pressure is inadequate. You may also need to ensure that the correct inside parts kit is installed for your fixture's flush volume. If the problem persists, there may be an issue with the actuator cartridge or plastic tubing.
What to do if the flush is too short or too long?
A short flush might result from loose diaphragm assemblies, enlarged bypass orifices, or a damaged inside parts kit. A long flush or a continuous flush can be attributed to a clogged metering bypass hole, a damaged inside parts kit, or insufficient water supply pressure.
How to deal with a chattering noise during flush?
A chattering noise can occur due to a damaged inside cover or a mistakenly installed upside-down segment diaphragm. You may need to replace the cover or reposition the diaphragm.
What are some care and cleaning instructions for my flushometer?
Use only mild soap and water to clean your flushometer. Avoid abrasive or chemical cleaners, including chlorine bleach. Protect the flushometer from any splatter of cleaners, as acids and cleaning fluids can discolor or remove chrome plating.