STARFLO FLO-2202 12v 3.8LPM 35PSI small electric water pump for water heater shower caravans

FOB Reference Price:Get Latest Price
US $6-10 / Piece | 1 Piece/Pieces (Min. Order)
Supply Ability:
2000 Piece/Pieces per Week small electric water pump
xiamen, fuzhou, ningbo,shanghai
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Quick Details
Place of Origin:
Fujian, China (Mainland)
Brand Name:
Model Number:
Sprayer Type:
Pump Design:
2 Chamber Diaphragm
Max Flow:
Duty Cycle:
EPDM or Viton
CE, ISO9001:2008, RoHS
Port dimension:
3/8" Hose Barb
ignition protection
Packaging & Delivery
Packaging Details
small electric water pump1/pc a box, 50pcs/carton, carton gross weight :36kgs
Delivery Time
7days when order confirmed





STARFLO FLO-2202 12v 3.8LPM 35PSI small electric water pump for water heater shower caravans


FLO Series Industrial Pumps are designed for a wide range of application and are constructed from a selection of material 

suitable for handlinga broad range of chemicals.The FLO Series of diaphragm pumps are self-priming and can be run constinously for short periods of time. The  higher the duty cycle the shorter the expected life of the pump.

Typical pump uses are liquid transfer,spraying, circulation, filtration and dispensing.



Stable performance, 
Self priming,automatic switch, 
Low noise, corrosion resistant.

Pump Head 2 chambers

Max Pressure  55psi/35psi/80psi(consult factory for other pressure)

Motor Configuration lead wires 2-pin connector(consult with factory)

2-pin connector with on/off switch

Reciprocating Diaphragm made of Santoprene

Duty cycle:intermittent.

Housing PP

Check valve made of EPDM

Check valve spring: Stainless steel



  • Agriculture/Yacht / RV/Caravan pressurized water system
  • Sprayer fixture (Vehicle-mounted sprayer, electric sprayer)
  • Cleaning machine, Humidifier, Water purification, Medical apparatus
  • Food beverage filling & liquid transfer
  • Any other pressurization system



  • Small size,Light weight and Stable performance.
  • Special valve for liquid input and outpu.
  • Antivibration pad,easy installation.
  • Self-priming,Automatic Pressure Switch.
  • Automatic Pressure Protection.
  • Low Noise,with excellent resistant to chemical corrosion.


  • High flow rate and low presurre requirements.
  • Automatic electric water pump,working rate 1.8-2.5meters,max flow rate more than 5 meters.
  • Water purification,filter machine,chemical metering and fluid supply.
  • Food,Beverage filling and transfer.
  • Controled by pressure switch.



  1.Switch cover screws 2.Pump head screw 3.Pump head

  4. Motor  5.Lead Wires 6.Pressure


   To start and prime the pump, the discharge line must be open allowing trapped air to escape thus avoiding the potential of airlock.

 The pressure switch will shut off the pump qutomatically when the discharge valve is closed the pressure has risen to the switch OFF set point.The pressure switch will restart the pump of the pressure switch.

  Demand Operation(intermittent duty)

  Demand Operation is considered and "intermittent duty" application.The maximum intermittent duty cycle is that switch

  will cause the motor to reach its maximum themal limits.Once the maximum themal limit is reached, the motor must be

  allowed to settle to a lower temperature ideally being ambient before resuming operation.Running the pump at or near the maximum thermal limited for extended period of time will shorten the life of the pump and may result in immediate pump failure.

  Bypass Operation(if equipped)

   Models equipped with an external bypass system are designed to pump at high pressure while at low or high flow rates.

Models equipped with  a bypass only will continue to run until the power is manually turned off.

The FLO pumps are not recommended for continous duty service due to limited motor brush life.Operation at lower pressure and temperatures. However, will extend overall pump service life.


  The FLO Series pumps are self-priming.Vertical prime ay vary depending on the fluid viscosity, suction tube size, foot valve and pump configuration.The pump should be mounted in a dry and adequately ventilate area.If mounted  within an enclosure,provisions to coor the motor may be necessary.

  Preventative Maintenance Tips

  If pumping a liquid other than water the pump should be flushed with water(if applicable) after each use.

  Before freezing conditions occur, the pump must be liquid free or winterize with proper anti-freezing chemicals.

  Dimensional Drawing of mini water pump


How a pump works ?

The pump is driven by an AC or DC motor

In front of the motor is a valve assembly containing two to five valve pump chambers. 

Each valve chamber has a diaphragm behind it in the lower pump housing. As the motor shaft turns, an internal cam positioned behind the diaphragms causes the  diaphragms to be pushed forward, then back in a continuous sequence creating a suction. As this suction builds, fluid is pulled  hrough the inlet, through the various valve chamber check valves to the outlet he volume of flow is determined by several factors including: the number and size of the pump chambers,cam offset, operating pressure, fluid viscosity.






ModelVoltageFlow RatePressureAmps
FLO-220112V DC0.5GPM(2.0LPM)55PSI(3.8 Bar)1.8A
FLO-220212V DC1.0GPM(3.8LPM)35PSI(2.4 Bar)3.0A
FLO-2202-112V DC1.1GPM(4.3LPM)55PSI(3.8 Bar)3.5A
FLO-220312V DC0.7GPM(2.6LPM)70PSI(4.8 Bar)2.1A
FLO-2203-112V DC 0.8GPM(3.1LPM)70PSI(4.8 Bar)2.2A
FLO-2202A12V DC1.1GPM(4.0LPM)80PSI(5.5 Bar)2.6A
FLO-240124V DC0.5GPM(2.0LPM)55PSI(3.8 Bar)0.9A
FLO-240224V DC1.0GPM(3.8LPM)35PSI(2.4 Bar)1.5A
FLO-240324V DC0.7GPM(2.6LPM)70PSI(4.8 Bar)1.0A
FLO-2402A24V DC1.1GPM(4.0LPM)80PSI(5.5 Bar)1.3A
Inlet Size3/8" hose barb;thread
Outlet Size3/8" hose barb;thread
Net Weight/pc0.64kg
Gross Weight/pc0.72kg
Carton Dimension(50pcs)56.5*38.5*36.5cm










Q: What's your main products of your company?

A: We specialized in all kinds of water pump(drinking water pump,micro gear pump,high performance diaphragm

pump,Marine pump,RV pump, bilge pump )for over 8 years with excellent quality and competitive price.


Q:How can I choose the most suitable pump?

A: Please tell me your detailed flow rate, voltage, application and so on, then I will match the most appropriate pump for you, or you can choose the exact model in the product manual.If you don’t know the details for the pump, tell us the usage, must suitable model will be recommended.


Q:What's your product MOQ of it?

 A:Our company is pleasure accept all items 1pcs order for testing.If bulk order, pls send inquiry to get more  discount.


Q: What's your payment way?

A: Usually we accept T/T ,Western Union or PayPal. 


Q: What's your delivery time?

A. 1.The stock samples can be sent to you within 2-3days by international express after received 

   2.The batch order can be shipped to you in about 10-15days after order confirmation (by air or by sea)


Q: How long is your pump lifetime?

A: Pump lifetime mainly depends on motor lifetime,we have DC brush, brushless, coreless brushless motor

For your choice, the pump warranty is 12 months.we can supply 1% spare parts for after service.



Sample order is very welcome ! Any inquiry, pls contact us freely. 

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