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#106-A-Type 4#106-A-Type 4

106-A-Type 4 One-Way Altitude Control Valve with Differential Control

The 106-A-Type 4 altitude control valves are based on the 106-PG main valve, and are ideal for maintaining a preset maximum water level. The valve functions as a two-position control valve, either fully open or fully closed. The Type 4 allows normal flow to fill the storage tank to the maximum level, then closes drip-tight at the set-point. It opens to refill the tank once the level drops an adjustable amount below the high water level.

  • No overflows
  • Adjustable draw-down level (differential) set-point
  • Superior repeatability
  • Positive shut-off
  • Adjustable draw-down for improved water-cycling