CPJ05SB 1/2HP Shallow Well Jet Pump

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CPJS Shallow Well Jet Pumps, Parts, and Motors

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CPJ05SB 1/2HP Shallow Well Jet Pump

SKU: 4393

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Features and Benefits

CPJ05SB Shallow Well Jet Pump

A Flint and Walling CPJ05SB 1/2HP shallow well jet pump is a device that uses a jet of water, creating a vacuum and high velocity, which creates higher inlet pressure into the impeller, and creating higher outlet pressures, when drawing from a water source. Designed for shallow wells with suction lifts to surface of water down to 25′. 

A Flint and Walling CPJ05SB 1/2HP shallow well jet pump has the following features.

  • CPJ05SB cast iron shallow well jet pump that can pump from depths up to 25' to water table, capacities up to 17.2GPM and create as much as 69PSI shut off pressure. Use chart below for shallow well for performance in your application.
  • It can deliver water at temperatures up to 140F.
  • The pump is equipped with a Silicone, Carbide Face, self adjusting seal.
  • It has a Service Plus (exclusively manufactured in America by Flint and Walling) motor that is durable, efficient, and easy to service. The motor is available in NEMA J construction is a 1/2 HP, dual voltage (115 or 230 volt), with capacitor start. It comes with a Automatic, start and run overload, to ensure complete winding protection.
  • 1/2HP models feature precision balanced, ultra smooth, molded thermoplastic impellers.
  • Includes: pump, motor, and pressure switch set a 30/50PSI.
  • Designed for years of trouble-free operation and simple, swift, on-site servicing. The CPJ pump features unique interchangeability of replacement parts. 

CPJ05SB 1PH 1/2HP Cast Iron Shallow Well Jet Pump

    • Pump Material: Cast Iron
    • Impeller Material: Composite 
    • PH: 1PH (residential power)
    • HP: 1/2
    • Stages: 1 (number of impellers) 
    • Volts: 115/230
    • SF Amps: 13/6.5
    • HZ: 60HZ
    • Motor Enclosure: ODP (Open Drip Proof) Rain Proof
    • Suction/Discharge Pipe Sizes - Female NPT: 1-1/4" X 3/4"

Technical Data

CPJS Data Including Graph and Chart

Purchase Parts

CPJS Series Repair Parts

Is your Shallow Well Jet Pump Not Producing Pressure Like It Used To?

Is your jet pump not producing the pressure it used to? In the front, on shallow well jet pumps and deep well jet pumps with shallow well adapters (as seen in picture below pump), there is a 1/4" pipe plug located in the front center of the pump or shallow well adapter, where the center of impeller would line up (usually right below the suction pipe). Remove that 1/4" plug and make sure the jet is open and not plugged. This is a common occurrence, and by cleaning this jet from being restricted or plugged, can renew your jet pump pressure without the disassembly of the pump. Find an example in the pictures below.

Flint & Walling Plugged JetFlint & Walling Open Jet 

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