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Dayton 1D872 shallow well jet pump, painted metal body with motor and pressure switch

Dayton

Dayton 1D872 Shallow Well Jet Pump 1 hp 115/230V

SKU CH-XX8P-KEM31 MPN 1D872

Shallow well jet pump delivers up to 18.8 gpm at 30 psi with a 25 ft suction lift and dual-voltage 115/230V motor

  • TypeDrain Components
  • 1 hp motor drives strong shallow-well performance
  • Dual-voltage 115/230 V AC fits standard wiring
  • Up to 18.8 gpm at 30 psi from 10 ft lift
  • 25 ft maximum suction lift handles deep sources
  • Built-in pressure switch automates pump control

Shallow Well Jet Pump 1 hp

The Dayton 1D872 is a shallow well jet pump rated at 1 hp for 115/230V AC operation. It draws 18.0 amps at 115V and 9.0 amps at 230V. The unit suits residential water supply installations where the water table sits within suction range.

Ejector and pressure switch included

An ejector is supplied with the pump, simplifying installation by providing the necessary venturi components. A pressure switch is also included, allowing automatic cut-in and cut-out control without sourcing a separate device.

Suction lift limited to 25 ft

Maximum suction lift is 25 ft, so the pump cannot draw water from deeper sources. Shut-off pressure and maximum case pressure are both 70 psi, capping the usable pressure range. Flow rates at 10 ft lift range from 18.8 gpm at 30 psi to 18.3 gpm at 50 psi.

Highlights

  • 1 hp motor drives strong shallow-well performance
  • Dual-voltage 115/230 V AC fits standard wiring
  • Up to 18.8 gpm at 30 psi from 10 ft lift
  • 25 ft maximum suction lift handles deep sources
  • Built-in pressure switch automates pump control

Specifications

TypeDrain Components
BrandDayton
Model1D872

Questions about this item

How often will the pressure switch on the 1D872 need adjustment or replacement?

The pressure switch is factory-set to shut off at 70 psi and typically runs for years without service; inspect it annually and replace only if the pump cycles erratically.

What limits continuous running of this 1 hp shallow well jet pump?

The motor is rated for a maximum operating temperature of 140°F and the case pressure must stay below 70 psi, so sustained operation stops when either limit is reached.

How much noise and heat does the Dayton 1D872 produce during all-day operation?

At full load the motor draws 18.0 A at 115 V or 9.0 A at 230 V, converting that power into heat; expect warm casing and typical jet-pump sound levels.

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