Flushmate 503 Series Replacement System with 2 in. Discharge Hole

Item # 181053 | Flushmate Part # M-101526-F31 | UPC Code 064871410269 | UNSPSC Code 30181811 | Catalog Page #323
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Product Overview

Flushmate System 1.6 GPF, 503 series, all OEMs except KOHLER K-4404 Tank and Gerber 28-385 tank. Designed to be used with tanks with 2 in. discharge hole. For flush handle or pushbutton tanks.

  • Most common replacement system
  • Left or right hand tanks
  • Reuse flush handle, rod, clips and screw
  • 5-year limited warranty
  • Includes mounting hardware for attaching to tank
  • Before servicing turn off water and flush

Proposition 65 Information

Prop65 Warning Icon WARNING: This product can expose you to chemicals including lead and nickel, which are known to the State of California to cause cncer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov .


Manufacturer Warranty
5 Year Limited
Number of Pieces
Plumbing Part Type
Toilet Flush & Fill Valve
Product Depth (in.)
Product Height (in.)
Product Width (in.)


5 Year Limited

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