1″ Stage 4 Float Valve with 2 Blue and White Pilots

S4-100M Main


  • Smooth positive shutoff with redundant backup
  • No more flooded pump rooms and high water/sewer bills
  • Two float valves in one. If the primary valve fails, the backup takes over
  • Operating range: 5-110 PSI
  • 1″ FPT Inlet and Outlet
  • Uses two diaphragms Part # 71-D-P with 2 holes (1 small hole plus 1 – 3/32″ diameter hole in center)

s4100m flow rates


S4-100M Gallery
Click below images to enlarge:

S4-100M-5 71-PV747EB-2

S4-100M-2 S4-100M-3

S4-100M-1 S4-100M-6






All Cleveland Valve Company products carry a one year warranty. The warranty is against defects in materials and workmanship for the stated period of warranty. The defective product will either be repaired or replaced. All returned items must be sent freight prepaid.




 The Most Compact and Corrosion Resistant Valves on the Market!