12 volt Caravan Pump Installation

Caravan Water Pump Installation Instructions

These instructions are applicable to the following stocked Models:

FL-2202 – 12 volt, 35 PSI, 4.3 LPM (Does not include filter or fittings as referred to below)

FL-3203 – 12 volt, 100 PSI, 5 LPM (Does not include filter, includes 2 elbow fittings)

FL-30 – 12 volt, 17 PSI, 10 LPM

FL-32 – 240 volt, 35 PSI, 12.5 LPM

FL-35 – 12 volt, 35 PSI, 12.5 LPM

FL-40 – 12 volt, 40 PSI, 17 LPM

FL-40C – 12 volt, 40 PSI, 17 LPM

FL-43 – 240 volt, 40 PSI, 17 LPM

FL-44 – 24 volt, 40 PSI, 17 LPM

FL-60 – 12 volt, 60 PSI, 17 LPM

Your new pumps motor duty cycle will vary with load and ambient temperature. They are for intermittent use only and are ideally suited to motorhome, caravan and camping applications. They will happily supply water for your sink, hand basin, toilet or shower. They are also suited to marine situations and present no problems pumping either fresh or salt water. The pump uses an inbuilt pressure switch and will turn itself on when it detects a drop in water pressure. This means that if the water supply empties or there is an air leak in the suction line the pump cannot turn itself off. If the pump will be left unattended it should be turned off at the switch (see point 11. below)

The pump has been factory tested and some water may come out when you remove the plugs.

Pump Models FL-2202, FL-3203 and FL-40C are agricultural rated as well and as such will handle chemicals as well as water.

The pump is a self priming pump and its suction will lift the water about 1.2 metres (4 feet) with no problems. It will head to about 3 metres, although some of the pumps will exceed this easily. It will not hurt the pump for it to run dry for short periods of time.

The pump comes with a filter and three fittings (FL-3203 has two fittings). You probably will not need all the fittings. They are supplied for different installation scenarios (not applicable to FL-2202).

1. Determine by reference to the label on the packaging or pump which model you are installing. Choose a suitable installation place for the pump. If mounted outside the pump must be protected from the weather.

2. Hold the pump in position and mark where the holes need to be drilled to mount the pump. Be aware of the need to install the filter, fittings and hoses (as applicable) and make sure there is enough room to do so.

3. Drill the holes. Use stainless steel bolts if in a marine environment. In other environments they are still preferred but not as critical. It is suggested that you do not mount the pump yet. This will give you more flexibility to install the water lines.

4. Remove the plugs in both the inlet and outlet side of the pump (Not applicable to FL-2202 and FL-3203).

5. Note the arrow on the pump, found on the outlet side of the pump. This indicates the water flow direction. If the pump does not have an arrow, hold it with the inlet and outlet closest to you. The inlet will be on the left, outlet on the right. The exception to this is the FL2202 model which has the inlet on the right and the outlet on the left.

6. Install the filter by pressing it firmly into the inlet housing. If you wet it with water first it will help. As you push the filter into the housing twist gently at the same time. Engage the locking collar (Not applicable to FL-2202).

7. Choose which of the fittings supplied are suitable to your application and install your chosen fitting on the outlet side of the pump. Again make sure you engage the collar to lock the fitting in place. Wetting with water will help.

8. Install ˝” suction rated hose (3/8” on FL-2202 and FL-3203) onto the inlet. Always use stainless clamps if in a marine environment.

9. Install ˝”outlet line (3/8” on FL-2202 and FL-3203), again using stainless clamps as applicable.

10. Now bolt the pump in place ensuring you are not stressing either of the water lines.

11. Install a switch suitably rated for the pump purchased, in a convenient place, but near the pump. (Not applicable to 240 volt models)

12. Run the active line using electrical cable from power source to switch. Run cable from switch to positive wire (red) on the pump. Make sure it is fuse protected. Run negative (black) to an earth source, or if none, then back to the power source. (Not applicable to 240 volt models. For these plug into a switched approved 240 volt 10 amp power source)

13. Fill the tank with water to a satisfactory level to ensure complete coverage of the tank outlet.

14. Check for leaks. Check all hose clamps for tightness.

15. Test run pump. Ensure adequate pumping. Open flow pump volume will depend on the model purchased. Refer to the label on the packaging for litres per minute.


The pump is self priming. It will suction lift up to 1.2 metres. It is suggested that the pump be mounted as practically close to the tank as possible. There is no need to install a valve between the tank and the pump. Make sure you use proper suction hose between the tank and the pump. Use of incorrect hose may cause the pump to deflate the hose and pumping will not occur. Make sure the suction hose is free of sharp bends or kinks. Make sure there are no air leaks where the suction hose is joined to the pump and tank. Warming the hose first with hot water will make it easier to install over the fitting. Installation should be completed by a competent installer.


Input voltage range for 12 volt pumps is 10-14 volts and for 240 volt pumps is 220-250 volts. All the pumps must be fuse protected. Install a fuse suitable for the pump purchased. (except 240 volt model which is 10 amps). We suggest the pump should be operated on its own circuit (except 240 volt models).

If the pump will be used in an area where inflammable vapours may exist, you must protect any electrical connections with mechanical protection to prevent sparking. Poor or inadequate protection can lead to sparking and the resultant explosion can cause injury or death. All electrical work must be performed by a qualified electrician.

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