FLUSHMATE 503UH Series Pressure Assist Toilet Systems

Specifications

• Flushmate Models:
  • 503UH Series Flushmate III 0.75 gpf / 2 piece toilets
  • 504 Series Flushmate IV 1.0 gpf / 1 & 2 piece toilets
  • 503H Series Flushmate III 1.28 gpf / 2 piece toilets
  • 503 Series Flushmate III 1.6 gpf / 1 & 2 piece toilets
• Bowl Shapes: Elongated, Round, Raised Rim
• Mounting/Outlet Options: Floor, Floor Mount, Floor Outlet, Floor/Rear Floor Mount, Rear Outlet, Wall/Rear Wall Mount, Rear Outlet
• Rough-in Dimensions: 10, 12, 14 inches
• Toilet Types: 2 pc. – Two-piece, 1 pc. – One-piece

Product Usage Instructions

• Flushmate Technology Overview
  Flushmate pressure-assisted toilets eliminate waste and save water through innovative flushing technology. Choose the appropriate model based on flush volume requirements.

• Replacing an Existing Toilet
  If replacing an existing toilet, ensure compatibility by checking mounting and outlet type, rough-in dimensions, and bowl shape as specified in the guide

• Toilet Selection Guide
  Refer to pages 6-13 for a list of compatible toilets manufactured with Flushmate pressure-assisted technology.

• Water Savings Benefits
  Enjoy sustained water savings for the life of the fixture with Flushmate models consuming significantly less water than traditional gravity toilets.

• Bowl Clearing Performance
  The Flushmate technology ensures efficient bowl clearing with a peak flow rate of 70 gallons per minute, reducing the need for double flushes.

FAQ

• Q: How can I ensure compatibility when choosing a new toilet with Flushmate technology?
  A: Check the mounting and outlet type, rough-in dimensions, and bowl shape specified in the guide to ensure compatibility.

• Q: What are the water savings benefits of using Flushmate pressure-assisted toilets?
  A: Flushmate models can save between 20% to 53% more water compared to traditional gravity toilets, providing long-term water conservation benefits.

Pro Pocket Guide
A resource for Flushmate equipped toilets, replacement systems, parts, tools, and accessories.
Now available as the world’s first ultra-high efficiency 0.75 gpf

Whether specifying new toilets with Flushmate® Systems or locating replacement vessels or parts, this guide provides the complete list of brands and models that offer Flushmate pressure-assist technology.

• Every drop counts
  Leading toilet brands around the world are powered by Flushmate pressure- assisted technology for single flush performance and water-savings .

• Water savings for life
  The flush volume will never decrease which means water savings are sustained for the life of the fixture.
  *Based on internal testing

• **53% less water***
  Flushmate models can consume from 20% (1.28 gpf) and 53% (0.75 gpf) less water than 1.6 gpf gravity toilets on average.

• Fewer double flushes**
  70 gallon per minute peak flow of Flushmate pressure-assisted technology clears the bowl on the first flush.

• Flushmate uses ANSI Standards for bowl clearing and drainline carry with miso testing

• IMPORTANT
  Only the toilet models listed in this guide are compatible with Flushmate Systems. See pages 6-13 for all current toilets manufactured to include Flushmate pressure-assisted technology.

Flushmate® Systems
Flushmate pressure-assisted toilets effectively eliminate waste and conserve water through an innovative flushing technology that outperforms traditional gravity toilets. There are four options to choose from, defined by flush volume (water consumption):

• 503UH Series Flushmate III 0.75 gpf / 2 piece toilets
  • UHET (Ultra-high efficiency toilet)
  • Most water conserving
  • WaterSense certified
• 504 Series Flushmate IV 1.0 gpf / 1 & 2 piece toilets
  • UHET (Ultra-high efficiency toilet)
  • Water conserving
  • WaterSense certified
• 503H Series Flushmate III 1.28 gpf / 2 piece toilets
  • HET (High-efficiency toilet)
  • Water conserving
  • WaterSense certified
• 503 Series Flushmate III 1.6 gpf / 1 & 2 piece toilets
  • ULF (Ultra-low flow)
  • Enhanced flushing performance
  • For spaces with limited water pressure

Commercial A 10-story office building with 1,000 occupants could save 1.2 million gallons of water and up to $10,000 per year by switching to WaterSense toilets.
Residential The average family can reduce water used for toilets by 20 to 60 percent by switching to WaterSense models.
Information courtesy of the EPA. For more information, visit epa.gov/watersense
For more information, visit flushmate.com

Flushmate® Equipped Toilet Specs
If the new toilet will be replacing an existing one, several key specifications — mounting and outlet, rough-in dimension, and
bowl shape — are included in this guide to make selection easy.

503UH
Flushmate® Equipped Toilets
Flushmate 503UH Series / 0.75 gpf

• Bowl Shape
  • E Elongated Bowl R Round Bowl RR Raised Rim
• Mounting/Outlet
  • Floor Floor Mount, Floor Outlet
  • Floor/Rear Floor Mount, Rear Outlet
  • Wall/Rear Wall Mount, Rear Outlet

Brand Model Name        Model                           Tank #| Bowl #| Rough-in| Type| Bowl| Mount/Outlet| ADA
---|---|---|---|---|---|---
Sloan                              Sloan                              WETS- 2108018| 2108009| 12″| 2 pc.| E| Floor|
Sloan                              Sloan                              WETS- 2108018| 2108029| 12″| 2 pc.| E, RR| Floor| ****

wheelchair

Sloan                              Sloan                              WETS- 2108118| 2108009| 12″| 2 pc.| E| Floor|
Sloan                              Sloan                              WETS- 2108118| 2108029| 12″| 2 pc.| E, RR| Floor| wheelchair
Sloan                              Sloan                              WETS- 2108018| 2108009| 12″| 2 pc.| E| Floor|
Sloan                              Sloan                              WETS- 2108018| 2108029| 12″| 2 pc.| E, RR| Floor| **** wheelchair
Sloan                              Sloan                              WETS- 2108118| 2108009| 12″| 2 pc.| E| Floor|
Sloan                              Sloan                              WETS- 2108118| 2108029| 12″| 2 pc.| E, RR| Floor| wheelchair

Brand| Model Name| Model| Tank #| Bowl #| Rough-in| Type| Bowl| Mount/Outlet| ADA
---|---|---|---|---|---|---|---|---|---
Lamosa| Tornado| 3138-3471| 3471-V| 3138-V| 12″| 2 pc.| E| Floor|
Lamosa| Tornado ADA| 3134-3471| 3471-V| 3134-V| 12″| 2 pc.| E, RR| Floor| wheelchair
Mansfield| Quantum 1.28| 144-155| 155| 144| Wall| 2 pc.| E| Wall/Rear|
Mansfield| Quantum 1.28| 146-155| 155| 146| 12″| 2 pc.| R| Floor|
Mansfield| Quantum 1.28| 147-155| 155| 147| 12″| 2 pc.| E| Floor|
Mansfield| Quantum 1.28| 149-155| 155| 149| Rear| 2 pc.| E| Floor/Rear|
Mansfield                     Quantum 1.28          148-155 155| 148| 12″| 2 pc.| E, RR| Floor| ****

wheelchair

Sloan                              Sloan                              WETS- 2108010| 2108009| 12″| 2 pc.| E| Floor|
Sloan| Sloan| WETS- 8029.8010| 2108010| 2108029| 12″| 2 pc.| E, RR| Floor|

wheelchair

Vortens| Tornado| 3134-3471| 3471-V| 3134-V| 12″| 2 pc.| E, RR| Floor| wheelchair
Vortens| Tornado| 3138-3471| 3471-V| 3138-V| 12″| 2 pc.| E| Floor|
Western Pottery| Wrangler| B422PF-1.28| | | 12″| 2 pc.| R| Floor|
Western Pottery| Wrangler| B432PF-1.28| | | 12″| 2 pc.| E| Floor|
Western Pottery| Wrangler| B472PF-1.28| | | 12″| 2 pc.| E, RR| Floor| wheelchair
Winfield| | PAT 165-128| PAK128| PAB165| 12”| 2 pc.| E, RR| Floor| wheelchair
Brand| Model Name| Model| Tank #| Bowl #| Rough-in| Type| Bowl| Mount/Outlet| ADA
---|---|---|---|---|---|---|---|---|---
Gerber| Ultra Flush| 21-300| 28-385| 21-342| 10″| 2 pc.| R| Floor|
Gerber| Ultra Flush| 21-302| 28-380| 21-342| 12″| 2 pc.| R| Floor|
Gerber| Ultra Flush| 21-304| 28-384| 21-342| 14″| 2 pc.| R| Floor|
Gerber| Ultra Flush| 21-310| 28-380| 21-374| Rear| 2 pc.| E| Floor/Rear|
Gerber| Ultra Flush| 21-311| 28-385| 21-372| 10″| 2 pc.| E| Floor|
Gerber| Ultra Flush| 21-312| 28-380| 21-372| 12″| 2 pc.| E| Floor|
Gerber| Ultra Flush| 21-314| 28-384| 21-372| 14″| 2 pc.| E| Floor|
Gerber| Ultra Flush| 21-317| 28-385| 21-377| 10″| 2 pc.| E, RR| Floor| wheelchair
Gerber| Ultra Flush| 21-318| 28-380| 21-377| 12″| 2 pc.| E, RR| Floor| wheelchair
Gerber| Ultra Flush| 21-319| 28-380| 21-329| 12″| 2 pc.| E, RR| Floor| wheelchair
Gerber| Ultra Flush| 21-324| 28-384| 21-377| 14″| 2 pc.| E, RR| Floor| wheelchair
Gerber| Ultra Flush| 21-325| 28-380| 21-375| Rear| 2 pc.| E, RR| Floor/Rear| wheelchair
| | | | | | | | |

I-Flush™
I-Flush enables touchless, electronic sensor operation of existing Flushmate® units.

Hands-free operations for hygienic convenience.

• Introducing I-Flush™, a sleek and stylish solution for modern restrooms and the latest innovation in the company’s
  line of pressure-assisted restroom products. Packed with enhancements, the I-Flush offers improved touchless flushing operations to help reduce touch points and the spread of bacteria, helps diminish recurring odors, and highlights the convenience of automatic flushing.

Design features

• Superior flushing with proven Infrared Object Lock Technology
• Easy to install on-wall sensor system
• Ideal for new 0.75, 1.0, 1.28, or 1.6 Flushmate systems or retrofitting to select Flushmate models
• Automatic calibration, flush delay (3 or 7 second), and 24-hour flush cycle
• Optional “hand wave only” actuation
• LED indication on detection and when battery is low
• Sealed battery compartment
• Sensor trim available in chrome or white

Features and benefits

• Battery-activated
• ADA compliant
• Infrared sensor technology ensures a complete flush after each use
•  Adjustable sensor settings
•  Ideal for applications where physical flushing is a concern
• Helps reduce odors
• 3 year expected battery life
•  1 year limited warranty

Certifications
ISO9001 Quality System Certified
I-Flush Automatic Flushing System for 503, 503H, 503UH, and 504 Series *

• I-Flush on-wall sensor, with chrome trim K-200101
• I-Flush on-wall sensor, with white trim K-200100
• I-Flush, with override button with no sensor K-100500

Please contact sales@flushmate.com to confirm compatibility with OEM fixture before installation. Visit flushmate.com/resources for complete list.

Flushmate® Replacement Systems

1. Identify Toilet Type
   One-piece or two-piece.

2. Identify Your Model and Serial Number
   The model and serial number are located on the top portion of the label adhered to the top of the Flushmate System. The middle characters (up to 5) in the serial number determine the replacement part needed.
   XXXXXX – F3HG3 – XXXX

3. Locate your Serial Number
   Search the lists below for your serial number. The replacement part number is listed in bold above your serial number.
   In example on the right you would replace your model (that has serial number F3HG3) with replacement part M-101526-F3H3

• One-piece Toilets
• 504 Series 1.0 gpf
  • Model: M-102540-F4
• Replacement part:
• M-102540-F4M
  • Mansfield/Corona Only
  • F4M
• Replacement part:
• M-102540-C
  • C01
• 503 Series 1.6 gpf Model: M-102540-F3
• Replacement part:
  • M-102540-FC
  • FC
  • FC1
• Replacement part:
  • M
  • -102540-F3
• F03B
• Replacement part:
  • M-102540-F3A American Standard F3A

Two-piece Toilets

• 503UH Series
• 0.75 gpf
• Model:
• M-101526-F3
• 504 Series
• 1.0 gpf
• Model:
• M-101526-F4
• 503H Series
• 1.28 gpf
• Model:
• M-101526-F3
• 503 Series
• 1.6 gpf
• Model:
• M-101526-F3

Use the Flushmate® Part Finder for serial numbers not listed or to find compatible replacement parts: flushmate.com/parts

Flushmate® Replacement Parts

Installation Packs & Parts

Actuation Kits & Parts

Universal Handle Replacement Kit for Flushmate IV – 504 Series

Cartridge Assembly

Use the Flushmate® Part Finder for serial numbers not listed or to find compatible replacement parts: flushmate.com/parts

Upgrade Kits

• Switching to Flushmate® is simple. We’ve made it easy to replace other pressure-assisted brands to the Flushmate 1.6 gpf or 1.28 gpf systems. Upgrade kits for 0.75 and 1.0 gpf systems are currently unavailable.
• Visit flushmate.com/products/upgrade-kits for complete list of replacement models.
• Flushmate III 503 Series Kit

• M-101526-F31K (1.6 gpf)

• Replaces
• Gerber PF/2 Energizer 150-403 1.6 gpf

Fits these toilet models

Flushmate III 503H Series
Kit # M-101526-F3H1K (1.28 gpf) Replaces
WDI EcoFlush 1.1/1.6 gpf

Tools

We have the right tools for the job.

• Flushmate® 3-in-1 Discharge Nut Wrench
  ST100100

• Cartridge Wrench ST100500

• Installation Tool Kit for Flushmate System Maintenance
  ST300500

• Use the Flushmate Part Finder for serial numbers not listed or to find compatible replacement parts: flushmate.com/parts

Flushmate Upgrade Kit

• One-kit Wonder
  Replace your pressure-assisted system with Flushmate®.

• Complete Flushmate System
  Includes the Flushmate III, 1.6 gpf system for two-piece toilets.

• Universal handle replacement
  The new universal handle is designed for mounting on either left-handle or right-handle toilets.

• Nuts and bolts
  Kit includes locknuts, gaskets, and necessary tools.

Kit Includes

1. Frame and Lever
2. Handle
3. Bushing
4. Nut
5. Spacer
6. Screws (4)
7. Cassette
8. Cable with Barrel End and Disposable Cap

Prior to Installation

• Before removing existing handle, note its orientation. The new handle should be installed facing the same direction.
• If you have a flush rod, clips, and screws, remove them before you start. Be careful not to drop parts into the tank.
• The existing and new nut provided are left-hand thread (clockwise to loosen and counter-clockwise to tighten).

Tools Needed
No. 2 Phillips screwdriver, pliers

Handle Replacement Kit Instructions

1. To remove handle, loosen nut (inside tank). It is reverse thread. Pliers may be needed. Guide handle through opening to completely remove.

2. To remove handle, loosen nut (inside tank). It is reverse thread. Pliers may be needed. Guide handle through opening to completely remove.

3. Hand tighten nut snug around bushing (counter-clockwise).

4. Orient new handle in same direction as original. Insert until stem extends past bushing, as shown. You will hear/ feel it click into place.

5. Gently remove disposable cap from barrel end of cable and discard.

6. Lift lever and push barrel end of cable up through hole on underside of frame until it clicks into place

7. Guide cable end into lever slot.

8. Raise lever to seat white barrel into catch (you will hear it click).

9. Position the frame and lever with cable facing the front of the toilet tank (rest cassette on side of tank). Secure with (4) screws.

10. Match handle icon (circled) on cassette to direction of actual handle, and lift handle to horizontal position.
    

11. Maintain alignment of cassette, and guide it down over protruding stem until it clicks into place. (Protruding stem is shown in step 4.)

12. Gently push handle to test movement. If it doesn’t move properly, parts may be installed in the wrong orientation and you should verify that steps 2, 4, and 10 were completed correctly

13. Gently push handle to test movement. If it doesn’t move properly, parts may be installed in the wrong orientation and you should verify that steps 2, 4, and 10 were completed correctly

14. Adjust actuator height. Turn UP (counter-clockwise) or DOWN (clockwise) to align lever and frame (see step 15).

15. Proper alignment of lever and frame is shown above.

16. Once properly aligned, hold actuator in place and tighten set screw to secure. Place toilet lid on toilet tank. Installation complete

Common Adjustments

• Most troubleshooting issues can be resolved by common system adjustments of either the cartridge or the actuator.
• Please review the following pages for step-by-step instructions.

Actuator Adjustments

1. Hold actuator in place. Use 4-in-1 tool to loosen set screw by turning counter-clockwise, approximately 4 rotations. Do not remove set screw.
2. Adjust actuator UP (counter-clockwise) if there is too much travel in push button, or if toilet does not flush completely. Adjust actuator DOWN (clockwise) if there is not enough travel in push button, or if toilet runs for more than 1 minute. Adjustment complete

Cartridge Adjustments

1. Make sure water supply stop is completely OPEN.
2. Hold actuator in place. Use 4-in-1 tool to loosen set screw by turning counter-clockwise, approximately 4 rotations. Do not remove set screw. Toilet may flush during this step.
3. Unscrew and remove actuator. Set aside to reinstall. Leave set screw in place.
4. Use end of 3-in-1 wrench to turn flush valve cartridge counter-clockwise until only 1 black thread of the vessel is showing.
5. After you complete raising the flush valve cartridge, confirm only 1 black thread of the vessel is showing.
6. Turn flush valve cartridge clockwise ¼ turn. Listen for the water to stop running. If necessary, continue making ¼ turns, waiting 30 seconds between each turn, until water stops running.
7. Flush toilet twice, waiting 1 minute between flushes to test. Does the water stop running?
   • YES → Continue to step 8
   • NO → Repeat steps 4-7
8. Reinstall actuator. After 2 unsuccessful attempts, contact Flushmate at 800.533.3460. Adjustment complete

• Visit Our Website
  Most questions can be quickly answered on the Flushmate® website — download technical documents, watch instructional videos, and order replacement parts.flushmate.com

• Where to Buy flushmate.com/distributors

• Installation Videos

• Find helpful instructional videos on the

• Product Support section of our website: flushmate.com/resources

• Flushmate Part Finder

• The part finder helps to find replacement parts  for your Flushmate system. flushmate.com/parts

• Technical and Product Support

• For information please email us at:

• info@flushmate.com

• Customer Support hours are Monday through Friday 9:00 AM – 5:00 PM EST

• 800.533.3460

30075 Research Drive New Hudson, MI 48165 800.533.3460 flushmate.com

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