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4″ Equalizer (weir opening)

  • SKU: 3049

Patented weir opening maintains equal flow even in distribution of unlevel D – Boxes that continue to move their entire lives. Simple to install, just push-fit into any 4″ pipe, SCH. 40, SDR 35, and thin wall. Adjustment knob moves opening up or down in 1/16″ increments; total movement is 7/8″. It has a watertight fit and is made with tough engineered plastic that will not corrode. Equal flow distribution boxes can be installed without tools.

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  • Maintains equal flow from distribution box.
  • Automatically compensates for box movement.
  • Engineered plastic is non-corrosive.
  • Extends septic system life.
  • Inserts without tools.
Patented weir opening maintains equal flow even in distribution of unlevel D – Boxes that continue to move their entire lives. Simple to install, just push into any 4″ pipe, SCH. 40, SDR 35, and thin wall. Adjustment knob moves opening up or down in 1/16″ increments; total movement is 7/8″. It has a watertight fit and is made with tough engineered plastic that will not corrode. Equal flow distribution boxes can be installed without tools.
4″ Equalizer (weir opening)

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4″ Equalizer (weir opening)

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