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7 Best RV Water Pumps of 2021

7 Best RV Water Pumps of 2021

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Do you know why there’s water coming out of your showerhead when it’s time to take your bath? Or how water reaches your toilet tank so you can flush your waste down? Or how water is supplied to the different faucets in your rig?

An essential part of water being supplied in your RV is the water pump. Oftentimes, we take our RV water pumps for granted because we’re sure that water will come out when we turn on our water outlets. But behind this assurance is a high quality water pump that’s doing it’s job efficiently.

But what if you turn on your RV faucet or shower and no water comes out? How will you be able to cook, clean the dishes, or take a bath? Imagine the hassle of scooping water from a water source to be able to fill your buckets so you can have water for flushing the toilet, cleaning the dishes, or taking a bath.

If it’s time to replace your old RV water pump or you want a high performing one or you simply want to understand how your RV water pump works, then this article is for you.

We’ll help you find the best RV water pump and enlighten you regarding everything you need to know about these pumps.

Reviews of the 7 Best RV Water Pumps

Let’s start off with a quick rundown of the best RV water pumps that you can find in the market today.

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Product

Flojet 03526-144A Triplex Diaphragm Automatic Water System Pump

  • affordable
  • easy to install
  • strong water pressure

Bayite 12V DC Fresh Water Pressure Diaphragm Pump

  • affordable
  • easy to install
  • water pressure setting is adjustable

Shurflo 2088-554-144 Fresh Water Pump

  • reduced vibrations
  • easy to install
  • strong performance

Seaflo Water Diaphragm Self Priming Pump

  • good dry running capacity
  • strong performance
  • easy to install

Remco 55-AQUAJET ARV Aquajet Rv Series Water Pump

  • quiet operation
  • safe to use
  • strong performance

Amarine Made 12v Water Pressure Diaphragm Pump

  • energy efficient
  • low noise level
  • with safety features

Here are our reviews about each of them so that you’ll know what makes a great RV water pump.

The Flojet 03526 144A Triplex Diaphragm Automatic Water System Pump is a bestseller and an Amazon’s Choice product. It is such a surprise that a product this good comes at a very affordable price.

We love it simply because it gets the job done efficiently. This automatic water pump will supply you with water that you need for your cooking, washing the dishes, and other tasks that need water. It provides strong water pressure even for your shower.

It is made of corrosion resistant materials so you know it’s built to last. Many old time users say they’ve had their Flojet 03526 144A for years and they are still working great. Buyers are also commending that it is easy to install with its snap-in port fittings and built-in bypass to reduce vibrations and noise level. It also has great suction power.

This water pump shuts down automatically once you turn off your faucet or shower. It also comes with a strainer to keep your water clean and free from debris.

Key Specs and Features:

  • Self-priming up to 9 feet suction lift
  • three chambers
  • noise absorbing mounts
  • Pressure switch setting: 3.4 bar
  • Corrosion resistant materials

Pros:

Cons:

Bayite Fresh Water Pressure Diaphragm Pump is another Amazon’s Choice product. It is well-recommended by its buyers and also comes at a very affordable price. They say that it is easy to install and has very good suction power.

It is a multipurpose self-priming diaphragm pump that has a built-in pressure switch. It works once you open any water outlet in your rig and will stop when you turn it off. The water pressure is pre-set at 80 PSI but you can adjust this level according to your need.

It works well within the temperature range of 32 to 140°F. This type of water pump is abrasion and corrosion resistant which ensures its durability.

Key Specs and Features:

  • Volts: 12 V
  • Amp Draw: 3A
  • Flow: 1 GPM
  • Cut-off Pressure: 80 PSI
  • Installation: Wire Connection

Pros:

Cons:

Shurflo is one of the most trusted brands in the water pump industry. The Shurflo 2088 554 144 Fresh Water Pump is the number 1 bestseller in hydraulic pumps with thousands of its buyers giving it an almost perfect rating.

This water pump uses positive displacement and has 3 chambers to help with the stable flow of the water thereby reducing pulsation. It is made of metal and has thermal protection.

This one is easy to install as all the fittings and electrical wirings matched perfectly. Once installed properly, you won’t have any problem with it pumping 3.5 gallons of water per minute. This won’t have you waiting for water to come out of your faucet so you can get your washing duties done in no time.

Key Specs and Features:

  • Check Valve: (1-Way Operation) Prevents Reverse Flow
  • CAM: 3.5 Degree
  • Motor: Permanent Magnet, P/N 11-173-01, Thermally Protected
  • Voltage: 12 V DC Nominal

Pros:

Cons:

The Seaflo Water Diaphragm Self Priming Pump is a best seller and a highly recommended RV water pump. It is an Amazon’s Choice product which tells you that you get value for your money.

When you purchase this product, you get 2 hose adaptors, an inlet strainer, and an instruction manual which makes installation so much easier. It comes with a pre-set 45 PSI pressure setting but you can adjust this according to your need.

This is a self priming diaphragm pump which helps lessen pulsations and noise level. It has a good dry running capacity so it won’t get damaged easily when there’s not enough water on your tank. It also helps the unit in resisting corrosion and abrasion so you can use it for a long time. And it is backed up with a 4 year warranty so you know that you’ve got a great deal here.

Key Specs and Features:

  • Maximum Flow Rate: 3 Gallons Per Minute
  • Maximum Lifting Height: 6 feet
  • 45 PSI pressure setting
  • Voltage: 12 V DC
  • Dimensions: 7.84″ X 5.00″ X 4.62″
  • Amps: 3.0 (6.0 Max. Amps)
  • 4-Year Warranty

Pros:

Cons:

We’ve got another Amazon’s Choice product right here with the Lippert Components 12V Flow Max Water Pump 689052. This self priming RV water pump has been certified by ANSI, CSA, and NSF so you can be sure about its quality and safety.

This is a self priming water pump that has a good dry running capacity. The motor is heavy duty and resists corrosion. It has 3 chambers which contributes to the steady flow of water to your rig. It also reduces the noise level.

This RV water pump averages 50 PSI and 3.3 GPM water flow that makes for a superior pressure performance. It can also withstand extreme temperatures as it has passed 5 2-hour cycles of freezing and thawing and the housing didn’t crack.

This RV water pump is easy to install. It comes with 2 connectors and a screen filter to prevent debris from getting into the pump and affecting the quality of the water.

Key Specs and Features:

  • Self-priming
  • Certified to NSF/ANSI 372 by CSA
  • Averages 50 PSI with 3.3 gallons per minute water flow
  • 12V, 9. 5 max amps
  • Fit type: Universal Fit

Pros:

Cons:

The Remco 55-Aquajet ARV Aquajet RV Series Water Pump is all about innovation. It uses advanced electronics to be able to control the speed of the motor automatically. The pump even adjusts its speed as you turn each water outlet on and off.

There’s no need to wait for the water to come out of the faucet. It’s there when you need it even when other water outlets are open. The Aquajet has a patented 5-chamber design that enables strong water pressure and flow rate. The 5 valves in this RV water pump is the reason why it is one of the highest flow diaphragm pumps available in the market today. This is also why Aquajet is 90% quieter during operation than the rest of the RV pumps.

This RV water pump is easy to install with its universal mounting and plug and play mechanism. The package includes 2 quick connect fittings and it can be connected to standard pump filter and other industry standards.

The Aquajet also has remarkable safety features. It has a maximum pressure bypass which protects your rig’s plumbing system from too much pressure. It also has a low voltage protection which protects the water pump when battery power conditions are weak.

This water pump is expensive but it comes with a 2 year warranty which gives you peace of mind because you can reach out to Remco when you’re not satisfied by its performance.

Key Specs and Features:

  • 10 Ampere
  • innovative 5-chamber construction
  • patented screw-free diaphragm
  • Positive shut-off at 75-85 psi
  • includes valuable safety features such as low voltage protection and a maximum pressure bypass

Pros:

Cons:

The Amarine Made 12V Water Pressure Diaphragm Pump is another bestseller and a highly recommended product. Buyers like its ease of installation, suction power, and overall value for money.

This RV water pump has an average of 1.1 GPM and 35 PSI. This is great for those with smaller rigs. It should be able to meet the water demand for washing dishes, taking a bath, and flushing the toilet given their smaller size. It is very energy efficient with less than 3 amp for its maximum current draw.

This is a self priming water pump that has a good dry running capacity. It helps a lot in making it a more durable pump and perform its job quietly. It also comes with a soft rubber mount to help absorb pulsations.

It comes with safety features such as thermal overload and ignition protection. The manufacturer also assures buyers that each of their products has undergone rigorous testing before putting them out in the market.

Key Specs and Features:

  • Built-in 35 PSI pressure switch for automatic stop/start
  • Self-priming
  • Built-in thermal protector
  • 3/8-inch hose barb ports
  • 1.1 Gallons per minute

Pros:

Cons:

Those were the 7 best RV water pumps which are currently available in the market. We hope our reviews guide you in choosing the best RV water pump for your rig.

What is an RV water pump?

An RV water pump is an equipment that moves water from its source to supply water to your RV. It is an essential part of the RV’s plumbing system. Its main purpose is so that water will reach your faucet, shower, and toilet whenever you need it.

The RV water pump uses the hydraulic principle to generate sufficient force for its use. This pump usually uses AC or DC power to provide energy to the motor of the water pump so that it can perform its job.

How does it work?

RV water pumps work on demand. This means, they’ll start working when you need them to. They follow a simple process when you turn them on.

The RV water pump works by putting pressure on your pipes. The amount of pressure is predetermined according to the pump’s PSI setting or pound per inch. The usual setting for RV water pumps is 30 PSI.

But there are RV water pumps that allow you to adjust the PSI settings according to your desired water pressure level. This type of water pump is preferred by many because it’s very flexible and can be adjusted according to your need.

When you turn on the RV water pump, it will start pumping water and it’ll continue to do so until you close the valve that controls the release of water. This can be your faucet, shower, or other water outlets. Once you turn off the valve, the water pump won’t immediately stop pumping. It will gradually stop until it reaches the preset water pressure on the pipes.

When you have the newer model of RV water pumps, the pressure on the pipes or water lines in your plumbing system remains the same or consistent. The pressure level will only change when another water outlet is opened. And if it detects any drop in pressure, it will start pumping again to be able to bring back the water pressure to the chosen setting.

Older models of RV water pumps don’t work this way. They rely on manual operation. If you need fresh water, you will open your faucet then manually turn the water pump on so that it will perform its job of bringing water to your faucet. Once you’re done, you need to turn off the water pump then close the faucet.

This sounds very inconvenient, right? Well, you also have to take note that you have to follow these steps to a tee or else you might experience some awful consequences. You have to remember that your manual RV water pump won’t stop pumping unless you turn it off. If you forget it turn it off, it can lead to overheating which could then cause bursting pipes and your rig will be flooded. You can imagine the rest of the story. Bottom line is, it will be stressful.

So, be thankful that we have modern RV water pumps that simplifies the entire process and automatically shuts down the water pump when you turn off the water outlet.

What are the different types of RV water pumps?

The RV water pumps that you can find in the market today usually come in 2 types. There’s the 12V water pump and the 24V water pump. Here’s how they are different so that you’ll know which one suits your needs.

12 Volt Water Pumps

The 12V water pump is the more common type of RV water pump. It comes standard in most RVs. The pressure in 12V water pumps is enough for the lighter water needs of RV users.

12V water pumps are the recommended water pump for RVs. They will get the job done of supplying you with water that you need and at the same time, they won’t cost too much so you won’t be shocked about your water and electric bills.

24 Volt Water Pumps

If you need more than the usual water pressure, then you’re going to need a 24V water pump. But these are more commonly found in trucks and buses instead of RVs.

24V water pumps can guarantee high flow to your water outlets and they are more reliable too. However, take note that since they require more power to run, there would be a surge in your water and electric bill.

RV water pump voltages: which is the best for you?

So, it’s really about determining the water pressure level that you need. Do you require more pressure are you okay with the standard level?

Take note that 24V water pumps cost more than 12V water pumps and your bills will also be higher so we recommend that you stick to the standard if you don’t really need the additional pressure. Sometimes going higher might do you more harm than good.

How to install an RV water pump?

The installation of an RV water pump would depend on the model that you’re buying. The steps could differ across different models and it’s best to follow the manufacturer’s instructions regarding the proper installation of their RV water pump.

But to give you an idea if what you’re going is right, here are the basic procedures in installing a new RV water pump.

Step 1: Make sure that your water tank is empty.

You can do this by connecting a water hose to the base of your tank. Open the valve to be able to flush out all the water from the tank. We recommend that you put the water in a large container so it’s not wasted. Just direct the hose into the container so you can use the water later on.

Once the tank is empty, you can now detach the link of the old water pump to your water tank.

Step 2: Disconnect the old RV water pump.

Before you do this, it is recommended that you disconnect the battery of your rig first. You should also disconnect the hoses which are connected to your old water pump. Then, with the help of your screwdriver, remove the wires from your old water pump. Look for the red and black wires as these are the usual wirings used to connect water pumps.

Remove the bolts and screws used to keep the water pump in place so that you can finally take off the old RV water pump.

Step 3: Put the new RV water pump into place.

Position the new RV water pump right where the old one used to be. Again, with the help of a screwdriver, secure the water pump in place using the bolts and screws. Make sure that the screws are tight. You can also wrap Teflon tape around the pipe threads.

Next, proceed to connect the inlet and outlet hoses at their respective locations then secure them in place by using clamps.

Step 4: Reconnect the wiring, battery, and water tank.

First thing you need to do is ensure that the link of the water pump to the water tank is reconnected. Make sure it is fastened tightly before anything else. Next, reconnect the electrical wiring. Once done, you can now reconnect the battery of your rig to be a power source for your new water pump.

Step 5: Test the connection.

This is your way of checking if you’ve installed the new RV water pump properly. To do this, you simply have to start your rig and check if the new water pump is working. You should be able to hear a sound which will tell you that it’s on standby and ready to be used.

If you don’t hear any sound from your new water pump, it might mean that something is wrong so you better check your electrical connections. Make sure that the connections to the water pump are right. Check also if your RV battery is properly connected.

Step 6: Test the water pump.

The next thing that you need to check is the water pump itself. To confirm that it is working properly, you can partially fill the water tank and turn it on. This will make it easier for you to check for any holes and leaks.

If there are no issues, turn on a water outlet such as your faucet. It may take some time before water comes out of your faucet as your new water pump is still filling your pipes with water before it comes out of your faucet. If water does come out of your faucet, then you’ve confirmed that your new RV water pump is doing its job!

That’s it! Your new RV water pump is ready to use. We would just like to reiterate that you should consult the manual first for specific installation instructions from the manufacturer. There might be slight variations according to the model of your water pump and those steps would be crucial to the proper functioning of your RV water pump.

What to Look for When Buying an RV Water Pump 

Now, allow us to help you find the best RV water pump for your rig. Here are the key criteria that you should carefully consider before buying an RV water pump.

Noise Operation Level

Noise has always been an issue among RV water pumps. Given the limited space within a rig, the noise level of a water pump could affect those inside the rig. That’s why you want a device that doesn’t make too much noise as it does its job.

There are some RV water pumps which can be loud when they are operating. It is to your best interest to stay away from those units so that you can enjoy a peaceful and relaxing time inside your rig.

Look for an RV water pump that has a minimal noise operation level even when multiple water outlets are open at the same time. Check the mounting type as there are some that can absorb sound to minimize the noise level. You can also look for a pump that has a 5-chamber design which can effectively bring down the noise level even when there are multiple water outlets that are open.

Of course, it is best to read the customer reviews to know their experience regarding the noise operation level of the water pump. For sure, buyers will rant if the noise level bothers them so learn from their experience and avoid those products.

GPM

This stands for gallons per minute. The water pump’s GPM tells you how many gallons of water it can pump in a given minute.

You can usually find RV water pumps with 1 to 4 GPM. This is a good range to stick to as it will guarantee high quality performance of your water pump.

If the water pump has less than 1 GPM, it means that its performance is too weak while those with more than 4 GPM may be too powerful for your rig to handle. Those pumps with more than 4 GPM are also more expensive to use. Expect your water and electric bills to go up!

Voltage

As discussed earlier, there are 2 types of RV water pumps: those that come in at 12V and 24V.

12V RV water pumps are the standard water pumps for rigs. They can get the job done efficiently with just enough level of pressure that can supply your rig with the water that you need. This won’t cause any issues within your pipes.

But there are cases when RV owners require extra pressure especially if you have a large rig. It is when you can go with a 24V water pump. These are more powerful and you can rely on its performance to supply all your water outlets with high flow of water. But take note though that it comes with a higher water and electric bill since it requires more power.

It is important that you understand which type of water pump will fit your particular needs.

PSI

PSI stands for pounds per square inch. Each RV water pump has a PSI rating and it is important that you choose a water pump that matches the recommended rating by your RV manufacturer. So you better check the manual of your RV for compatibility.

You will find RV water pumps with ratings of 60 to 75 PSI. This is what we call the safe zone when talking about water pressure in our rigs. Take this into consideration together with the recommendation of your RV manufacturer to be able to choose an RV water pump that’s safe to use for your rig.

Vertical suction lift

This is another important factor to consider when choosing the best RV water pump. Vertical suction lift refers to the specific amount of water that the water pump needs in order to operate efficiently. Some would need more water before it can function properly.

It is best that you look for an RV water pump that requires minimal amount of water to perform its job so that you can be assured that it will operate efficiently even with a little lift.

Size

As with other equipment and appliances we put in our RVs, size does matter. Space is precious so we need to maximize every bit of space that we have.

Check the location where you will put your RV water pump and figure the size that you need. A water pump with a bigger capacity comes in a bigger size. Make sure your new RV water pump will fit in the given space.

Energy Efficiency

Take note that RV water pumps require power in order to do their job. They consume a specific amount of electricity and given that power is also a limited resource in a rig, you better check the energy efficiency of the water pump that you’re planning to buy.

There ahs to be a balance between the power it needs and its electric consumption. Your water pump needs enough power to be able to supply your rig with a good flow of water. But at the same time, it shouldn’t consume too much electricity because you also have other appliances and devices that share with your source of power.

Ease of Installation

As with any device you buy for your rig, you should consider its ease of installation. Will it give you a hard time to set it up? Do you need professional assistance or need someone else to help you?

We recommend that you buy an RV water pump that has a simple installation process. One that you can accomplish by yourself and lets you deal with fewer parts so that it’s easier to install. It’s also best if it already comes with the materials that you need for the installation such as Teflon tape, screwdriver, and water hose.

These are the main criteria that you have to consider when buying a new RV water pump. Make sure you go through each one carefully so that you will be happy with your purchase and it matches what you need in your rig.

Wrap Up

RV water pumps are essential to your rig so you better take your time in choosing the best RV water pump for your rig. Take advantage of all this information that we’ve presented to guide you in your choice or maybe you can consider those items in our product review if they suit your needs.

We hope you’ll be happy with your purchase and won’t be hounded by water supply and flow rate issues for many years to come.

Frequently Asked Questions

What is the PSI or the flow rate of the pump?

As mentioned earlier, PSI refers to pounds per square inch. This is a rating given to each RV water pump and will tell you about its performance level. You should look for ratings between 60 and 75 PSI so that you’re sure that its water pressure is within the safe zone as recommended by most RV manufacturers.

The water pump’s flow rate refers to the amount of time that it takes for the RV water pump to be able to pump a certain amount of water using its motor. This is usually measured by GPM or gallons per minute. A water pump with 3.5 GPM will be able to supply the needed water inside a camper or travel trailer. But for larger RVs, you would need a water pump with at least 5.3 gallons per minute.

What is an on-demand pump?

On-demand pumps or demand pumps are pumps used to be able to send water to a point of use from a water storage tank. These pumps allow users to control the movement of water and have it supplied when they need it and where they need it.

On demand pumps work by being able to detect a drop in pressure which happens when a faucet or a showerhead is turned on or when someone flushes the toilet. The drop in pressure activates the on demand pump to work and supply water to the particular outlet that needs it.

An RV water pump is a kind of on demand pump. It means that it only runs when you need it to. It puts pressure on your RV water pipes based on the predetermined PSI setting. Once you turn the RV water pump on, it will begin to pump water to be able to bring it to water outlets which are open. Once you turn it off, it will go back to the preset PSI and will shut down on its own. It will maintain this level of pressure until it detects that a water outlet is opened in which case the water pump will start pumping again.

What is included in the water pump?

If you’re wondering what is included when you purchase an RV water pump, it would really depend on the manufacturer. Some include everything you need for the installation while some only come with just the unit itself. Some suppliers will have you buy the hardware and accessories separately which makes it inconvenient for buyers.

It is better to buy from manufacturers that include all the fittings and accessories that you need to be able to set up your new RV water tank.

Why is my RV water pump so loud?

Some say that noise is a part of the operation of an RV water pump. If you’re having a new RV water pump installed, the noise of the motor running is oftentimes a good indication that your electrical wirings are connected properly.

But if the noise operation level gets so loud that it’s bothering you, then it’s possible that there is something wrong with the RV water pump. It could be indicative of a faulty design or an issue in the manufacturing of the product. This is why we advice you to buy from trusted brands because there are some companies who cut back on the cost of materials in the production of the unit.

When this happens, it results in poor product quality. This could make the unit difficult to install properly and you’ll encounter mounting issues which could cause it to make noise. Since it’s not positioned properly, it can cause vibrations, clanging pipes, and water hammering.

If mounting is not issue, you can also check if you’re experiencing rapid cycling. This happens when there is too little air charge inside the water tank. The water pump is not able to function properly which could cause vibrations on the unit and along the pipes. Better check the air pre-charge setting or cycle setting and make the necessary adjustments.

Another thing you should look into when your water pump is operating with a high noise level is the amount of water inside the tank. You might need to increase your water storage capacity. It might not be able to store enough water and you might need to install an accumulator that’s compatible with your water pump.

How to make an RV water pump quiet?

If your RV water pump is unusually noisy, you have to find out what is causing it to make such noise. What you need to do is to turn off the water pump then find the screws which secure it in its place. You have to remove these screws then place a mouse pad or similar material under the pump before you put the screws back on. Make sure that the screws are not too tight nor too loose. The mouse pad will help a lot in reducing the vibrations.

If the noise is coming from your water pipes, you need to find the specific pipes which are making this noise. You should get someone to help you with this task. Ask that person to turn a water outlet on and off as you locate the rattling pipe. Once you’re able to identify it, you would need a half inch foam insulation so that you can wrap it around the rattling pipe. Do this for all rattling pipes that you find. This should be able to stop the noise.

If the issue is that your water pump cycles too fast, it means that there is too little air inside your water tank and this could also cause vibrations or a noisy water pump. To resolve this, you need to make some adjustments on the settings of your water pump. You can turn the adjustment screw clockwise so that you will be able to increase the setting until such point that your pump runs with an off time of a minimum of three seconds.

How long does an RV water pump last?

Is it bad to leave water pump on in RV?

 

How To Install An RV Fresh Water Pump

How long should an RV water pump run?

When you’re not connected to city water, it is safe for you to turn on your RV water pump and let it run for as long as possible. This is alright since RV water pumps operate on an on-demand basis and the water in your rig will be pumped from the onboard holding tank. It will pump water when you need it to. It will run when you flush the toilet or turn on your shower. But if no water outlet is open, your water pump won’t run and it won’t consume power.

But when you’re hook up to city water, it would cause some issues if you keep your water pump running all the time. The pump could be pumping in city water that’s unregulated.

How to repair an RV water pump leak?

Since RV water pumps operate on an on-demand basis, if it runs continuously even when there’s no demand, you know that there’s a problem. It could be a leak which your pump interprets as an open water outlet. This needs to be addressed immediately.

You have to find out what’s the cause of the leak. Usually it boils down to 2 reasons: 1. the check valve is broken; or 2. there are cracks along the water lines.

Here are the steps you need to follow to repair an RV water pump leak.

When the check valve is broken

Step 1: Pull the valve off the hose

Turn off the water pump and water outlet. Then remove the old check valve located at the hose that connects it to your rig’s freshwater tank. Just pull the valve off using your hands, nothing complicated about it.

Step 2: Disconnect the old check valve

Again with just the use of your hands, you should be able to detach the old check valve from your water pump.

Step 3: Install the new check valve

Now that you were able to remove the old check valve, you can replace it with a new check valve. Just put the new one right into the tube or hose that connects it to the freshwater tank. Take note that the directional arrow on your check valve should be pointing towards the direction of your RV water pump.

Once your new check valve is already fitted to the hose or tube of the freshwater tank, connect the other end to your RV water pump. It should slip right into place without any problem and that’s how you replace an old check valve.

When there cracks along the water lines

Step 1: Visually inspect for cracks

If there’s no problem with your check valve, then there might be cracks along your water lines or pipes that’s causing your RV water pump to leak.

Check all the lines connected to the water pump and look for any sign of cracks.

Step 2: Place a Bucket Under the Cracked Water Line

If you see a cracked water line, put a bucket underneath the connection of the cracked line and the water line to be able to contain the flowing water.

Step 3: Loosen the connection between the water line and the water pump

If water comes out when you loosen the connection between the water pump and the water line, it could mean that there’s really a crack. However, when no water comes out, it doesn’t necessarily mean that there’s no issue. It could mean that there’s a suction problem instead.

A suction problem usually occurs when there’s little or no water in your water tank. To rule out any suction problem, fill the tank with some water and attach the water pump. Turn the pump on and test the water line again.

Step 4: Fix the cracked water line

If the problem is really about having a cracked water line, then you need to repair it immediately.

Turn off the water pump. Using a pocket knife, cut out the cracked portion of the water line. You should have a plastic tubing on hand and cut out a portion that has the same measurement with the part that you’ve just removed.

If you don’t know what kind of plastic tubing to get, just inquire with your trusted RV supplies store.

Step 5: Patch up the water line

If the plastic tubing that you got has a lot of slack in it, you can patch up the water line with just one fitting. But if your plastic tubing doesn’t have any slack, it’s best to use two and attach them together before you put them on the water line right in the spot where you cut the old portion.

Leave it to dry for about 12 to 24 hrs. Once it’s already dry, you can turn on the water pump again and observe what happens. It should be able to solve the issue and you can expect that there won’t be any leaks anymore.

Keep in mind that it’s best to ask for professional help if you don’t have the skills to perform these tasks. This is true especially when you can’t figure out anymore what’s wrong with your water pump. Let them check your water pump and with their expertise and experience, they can have your pump running efficiently in no time.

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