MOMENTUM® Flush Valve Rebuild Kit

MOMENTUM® Flush Valve Rebuild Kit

Features and Benefits

A complete internal rebuild kit for the 1” MOMENTUM® flush valve. This kit will rebuild all I-CON 3700 and 3800 model MOMENTUM® flush valves. Kit includes the valve’s seat seal, a 3801 model flush valve support ring (marked with “38” on the left & “SR” on the right side of a rib found on the arc of the ring), a 3711 model flush valve support ring, pressure separation gasket, metering plug and O-rings, strainer screen, discharge port O-ring and stand cup allowing for the rebuilt valve to meet the standards of a new MOMENTUM® flush valve.


  • One (1) cup
  • One (1) gasket
  • One (1) 3801 model plastic support ring marked with "38" and "SR" on each side of rib on arc
  • One (1) 3711 model plastic support ring
  • One (1) seat seal
  • Two (2) metering plug O-rings
  • One (1) metering plug
  • One (1) strainer screen
  • One (1) discharge port O-ring
Designed and Made in the USA badge US Green Building Council Memeber badge


Installation and Maintenance