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3 Part Internal Overflow Siphon

Easi Plumb 3 Part Internal Overflow Siphon


The Easi Plumb 3 Part Internal Overflow Siphon is suitable for use in low level and closed coupled WC cisterns. The use of this siphon enables the replacement of the siphon washer without the need to remove the complete unit, thereby saving time trouble and expense. The siphon can be set for two flush options by inserting the tab supplied into the either the top two hole (Full Flush) or bottom two holes (Half Flush). All siphons come complete with siphon backnut/washers and low level coupling nut/seal as standard.


  • Made of PVC
  • Can be Installed in Low Level & Closed Coupled WC Suites
  • Water Saving Device
  • Adjustable Flush Volumes
  • Low Level Coupling & Washer Supplied
Technical Data:  
Valve Material: PVC
Washer Material: PVC
Valve Outlet: 1½” BSP
Flush Volume Adjustment: Full & Half Flush Settings
Internal Overflow: 7½”
Flush Volume: 6 / 4 Litres