40PSI 2.8BAR 12v Marine Water Pump Diaphragm Houseboat Caravans Set

Place of Origin China
Brand Name OEM/ODM
Certification CE
Model Number P-02
Minimum Order Quantity 10 Pieces
Price 15 usd to 30 usd
Packaging Details Standard exporting package
Delivery Time 5 days
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram,Paypal
Supply Ability 10000 Pieces
Product Details
Structure Diaphragm Pump Pressure High Pressure 40PSI/2.8BAR
Port 3/4"QUICK ATTACH Priming Capabilities 6 Feet (1.8m) Suction Lift
Run Dry Capable For Normal Workloads 5 Minutes Motor Permanent Magnet, Intermittent Duty
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12v Marine Water Pump


12v water pressure diaphragm pump


40PSI water pressure diaphragm pump

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Product Description

High Pressure 40PSI / 2.8BAR Houseboat Caravans Marine Set Water Pump Water Pump For Yacht

40PSI 2.8BAR 12v Marine Water Pump Diaphragm Houseboat Caravans Set 0


Model Voltage

Open Flow


Control Type Max Draw Shut-off Pressure
Valves Diaphragm Ports Wire Connections
NMDP46-G49-40-12 12V 4.9 / 18.5 switch & By pass 10.5 40 / 2.8 EPDM Santoprene QUICK ATTACH 2-Pin/Leads
NMDP46-G49-40-24 24V 4.9 / 18.5 switch & By pass 6.0 40 / 2.8 EPDM Santoprene QUICK ATTACH 2-Pin/Leads


40PSI 2.8BAR 12v Marine Water Pump Diaphragm Houseboat Caravans Set 1






Reduced Flow
Plugged strainer
Clean outside of strainer and clean debris from around impeller.
Discharge line plugged
Clean out hose by backflushing.
Low battery voltage
Check battery condition and charge if necessary.
Kinked discharge hose
If hose is kinked because of sharp bend , convert to hose which will not kink at bends.
No water pumped
Wire connections
Make sure wire connections are not corroded . Visual check is not enough -a slight pull on each wire will tell if the wires are still joined .Check to be sure on wire joins are hanging down into the water .
Fuse meited
Check fuse to see that it is the correct size if fuse still blows ,check impeller through inlet opening to be sure it is not jammed or stuck with debris.
Float switch failure
Lift end of float switch up-if pump runs , switch is OK . If pump does not run , turn Manual SWITCH TO on position-if pump runs ,automatic switch has failed.
Pump won't shut off
Something under float
Clean under the float to make sure debris is not holding the float up.
Stuck float
Chenk to see that the float is loose and free of gummy bilge oil. If float action appears sluggish and / or the float does not move freely , intermittent or sporadic operation of the pump may occur . This condition is usually the result of oil and / or Dirt accumulating in and around the movable parts of the switch . To corrent , try soaking the entire switch in Marine cleaner for ten minutes , agitating several times and checking for smooth and free operation of the float . Repeat if necessary.
Switch mounted too low
If the pump is sucking air and the automatic switch has not reached the OFF position , then the switch may be mounted too low for the pump and should be reinstalled at least 1/4 higher than the pump base.
Wires over-heated. Melted insulation
Combination of jammed impeller and wrong size fuse
Be sure impeller is clean of debris and is free to rotate . Reduce fuse to propei size .Replace damaged wiring and / or switch .
Repeated melted
Fuse size or jammed impeller
Be sure fuse has amp rating . Check impeller to see that it is not bound up by fish line . ETC.



40PSI 2.8BAR 12v Marine Water Pump Diaphragm Houseboat Caravans Set 2

1. Are you a manufacturer ?
Yes,We specialize in different kinds of 12V/24V DC water pump such as diaphragm pump,marine pump,RV pump,drinking water pump,gear pump etc and electric sprayers for over 15 years with excellent quality and competitive price.
2. What's your MOQ ?
Normally it is 100PCS, but we also accept samples for new costumers to test .
3.Do you accept OEM / ODM ?
Yes , we have different customers make their own OEM product. We also can make products as per your requirement .
4. What about the delivery time ?
Usually we can ship your orders within 15-30 days from receipt your 30% deposit .
5.What's your payment terms ?
T/T 30% in advance,70% balance against B/L copy.
6. Can I buy different types in one container ?
Yes, you can mix different types in one container.
7. What is your port of loading ?
Fuzhou Port,Xiamen Port or Ningbo Port .
8.What is your warranty ?
We offer 12 months limited Warranty of Manufacturer for defective items (excluding items damaged and/or misused after receipt ) .
9. Why you find some price on our items show only 1-20USD/PCS, can you get the price at USD1.0 ?
1-20USD is just price range for your reference here.
10.Do you have some discount ?
To clients who bring repeat orders and large orders.Please contact us for the Best Quote.