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Shallow well jet pump system with 2 gal tank, motor and piping on base

Dayton

Dayton 4HEZ8 Shallow Well Jet Pump System 115/230V 2 gal trap

SKU CH-Y9KQ-9RN6H MPN 4HEZ8

Delivers up to 4.4 gpm at 30 psi from depths to 25 ft with a 2 gal pressure tank

  • TypeDrain Components
  • Delivers 4.4 gpm at 30 PSI with a 10 ft lift
  • Provides 3.3 gpm at 40 PSI for consistent household pressure
  • Supplies 2.3 gpm at 50 PSI to meet higher demand
  • Dual voltage 115/230V AC suits standard residential wiring
  • 25 ft maximum suction lift handles typical shallow well depths

Shallow Well Jet Pump System

The Dayton 4HEZ8 is a shallow well jet pump system rated at 1/3 hp with dual-voltage 115/230V AC operation. It includes the pump and a 2 gal tank, suited for residential water supply from wells within the rated suction range.

Thermals noise and power

The motor draws 10 amps at 115V or 4.8 amps at 230V during normal operation. The tank bladder is pre-charged to 28 psi and the system shuts off at 63 psi, limiting cycling and keeping power use steady under typical household demand.

Flow rate at 30 PSI

At a 10 ft lift and 30 PSI the pump delivers 4.4 gpm, dropping to 3.3 gpm at 40 PSI and 2.3 gpm at 50 PSI. If your fixtures require higher flow at pressure, this unit will not meet that need.

Highlights

  • Delivers 4.4 gpm at 30 PSI with a 10 ft lift
  • Provides 3.3 gpm at 40 PSI for consistent household pressure
  • Supplies 2.3 gpm at 50 PSI to meet higher demand
  • Dual voltage 115/230V AC suits standard residential wiring
  • 25 ft maximum suction lift handles typical shallow well depths

Specifications

TypeDrain Components
BrandDayton
Model4HEZ8

Questions about this item

How do I connect the 1-1/4 in NPT inlet and 1 in NPT discharge on the 4HEZ8, and what step do people often miss?

Thread the suction line into the 1-1/4 in NPT inlet and the pressure line into the 1 in NPT discharge; the step often missed is priming the pump completely before first start so the jet assembly can build suction.

What maintenance will the 2 gal tank and 28 psi bladder need over time?

Check the bladder pressure annually with the system drained and the pump off; recharge to 28 psi if it has dropped, and inspect the tank for corrosion or leaks during the same check.

At what pressure does the 4HEZ8 stop building flow during a long run?

The pump reaches its shut-off pressure at 63 psi; beyond that point flow drops to zero and the motor will cycle on the pressure switch instead of delivering water.

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