The Auto Sunday is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

Home Blogs RV Water Pump Won't Stop Running? Here's What To Do

RV Water Pump Won’t Stop Running? Here’s What To Do

The Auto Sunday is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

What to do when the RV water pump won't stop running?
What to do when the RV water pump won’t stop running?

I was planning to rent an RV for our road trip this weekend, so I scrolled through some sites and read a couple of reviews. Then, I saw a common problem many encounters – the RV water pump won’t stop running. This got me worried, so I looked for solutions on what to do.

What to do when the RV water pump won’t stop running? If your RV water pump won’t stop running, you have to change the low battery or fix the broken check valve. You would also need to clean the clogged strainer and the pump head diaphragm. If the pump still won’t shut off, then most probably, the pump pressure switch is the problem. You can’t changed out this component, so you either buy a new pump or a new pump head.

Having an RV water pump that won’t stop running is one problem, but having no water flowing, at all, is another issue. So, if you’re tired of your typical water pump having the same problems, should you change it to something better?

Maybe it’s time to upgrade your system to that of Shurflo’s Best Rated Revolution Pump!

ProGear 3200 RV Replacement Water Pump | 2088/4008 Revolution Direct Replacement | 3.3 GPM Strong...
Shurflo 4028-100-E54 Revolution Pump - 2.3 GPM, 12 VDC
Roughneck Two-Way Rotary Hand Pump Kit - Delivers 1-Gal. Per 12 Revolutions
ProGear 3200 RV Replacement Water Pump | 2088/4008 Revolution Direct Replacement | 3.3 GPM Strong...
Shurflo 4028-100-E54 Revolution Pump - 2.3 GPM, 12 VDC
Roughneck Two-Way Rotary Hand Pump Kit - Delivers 1-Gal. Per 12 Revolutions
ProGear 3200 RV Replacement Water Pump | 2088/4008 Revolution Direct Replacement | 3.3 GPM Strong...
ProGear 3200 RV Replacement Water Pump | 2088/4008 Revolution Direct Replacement | 3.3 GPM Strong...
Shurflo 4028-100-E54 Revolution Pump - 2.3 GPM, 12 VDC
Shurflo 4028-100-E54 Revolution Pump - 2.3 GPM, 12 VDC
Roughneck Two-Way Rotary Hand Pump Kit - Delivers 1-Gal. Per 12 Revolutions
Roughneck Two-Way Rotary Hand Pump Kit - Delivers 1-Gal. Per 12 Revolutions

Troubleshooting When RV Water Pump Won’t Stop Running

Change the Low Battery

The first thing you have to check when your RV water pump won’t stop running is its battery. Check the volt connections at the fuse panel and be sure to upgrade to two new 6 volt batteries. Also, you have to install a digital voltage meter in the trailer while doing this. Get the Renogy Deep Cycle Battery for RVs to prevent unwanted low battery situations.

Renogy Deep Cycle AGM Battery 12 Volt 100Ah for RV, Solar Marine and Off-grid Applications, Gray
Universal Power Group 12V 100Ah Solar Wind AGM SLA DEEP Cycle VRLA Battery 12V 24V 48V
12V 200Ah Lithium LiFePO4 Deep Cycle Battery, Built-in BMS, Perfect for Replace Most of Backup Power...
Renogy Deep Cycle AGM Battery 12 Volt 100Ah for RV, Solar Marine and Off-grid Applications, Gray
Universal Power Group 12V 100Ah Solar Wind AGM SLA DEEP Cycle VRLA Battery 12V 24V 48V
12V 200Ah Lithium LiFePO4 Deep Cycle Battery, Built-in BMS, Perfect for Replace Most of Backup Power...
Renogy Deep Cycle AGM Battery 12 Volt 100Ah for RV, Solar Marine and Off-grid Applications, Gray
Renogy Deep Cycle AGM Battery 12 Volt 100Ah for RV, Solar Marine and Off-grid Applications, Gray
Universal Power Group 12V 100Ah Solar Wind AGM SLA DEEP Cycle VRLA Battery 12V 24V 48V
Universal Power Group 12V 100Ah Solar Wind AGM SLA DEEP Cycle VRLA Battery 12V 24V 48V
12V 200Ah Lithium LiFePO4 Deep Cycle Battery, Built-in BMS, Perfect for Replace Most of Backup Power...
12V 200Ah Lithium LiFePO4 Deep Cycle Battery, Built-in BMS, Perfect for Replace Most of Backup Power...

Fix the Broken Check Valve

If you’ve changed the battery and the pump continues to run, you probably have leakage from a broken check valve. As a result, instead of stopping the water pump, it will tell the pump to keep pumping causing the fresh water tank to rise. Replace it with a Valterra 1/2 inch brass Check Valve. You might also want to consider getting a SHURFLO in-line check valve as another way to ensure this doesn’t happen.

When this happens:

  • First, look for the broken check valve.
  • Second, place a new check valve on the line and point its arrows right at the freshwater tank.
  • Third, connect the valve to the RV water pump and make sure it’s fitted right.
Parts2O TC2505LF 1-1/4-Inch Check Valve
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"
Parts2O TC2505LF 1-1/4-Inch Check Valve
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"
Parts2O TC2505LF 1-1/4-Inch Check Valve
Parts2O TC2505LF 1-1/4-Inch Check Valve
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"
Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"

Clean the Clogged Strainer

Most new RV’s are not equipped with a strainer, but this is a component that you need to have. A strainer blocks trash from entering the fresh water tank, the plumbing lines and the pump head. Your RV water pump won’t stop running once the strainer is clogged.

To fix this problem, unplug the supply line, clean the strainer, attach it to the pump and reattach the supply line.

You might also want to replace it with SHURFLO’s Swivel Nut Water Strainer.

Other options to ensure there is no backflow are the CAMCO Back-flow preventer and the RecPro Vacuum Breaker Check Valve.

SHURFLO (255-315 Swivel Nut Water Strainer
3/4" Back Flo Preventer
Camco 23303 1/2 Back-Flow Preventer - Lead Free, Model: 23303, Outdoor&Repair Store
SHURFLO (255-315 Swivel Nut Water Strainer
3/4" Back Flo Preventer
Camco 23303 1/2 Back-Flow Preventer - Lead Free, Model: 23303, Outdoor&Repair Store
SHURFLO (255-315 Swivel Nut Water Strainer
SHURFLO (255-315 Swivel Nut Water Strainer
3/4" Back Flo Preventer
3/4" Back Flo Preventer
Camco 23303 1/2 Back-Flow Preventer - Lead Free, Model: 23303, Outdoor&Repair Store
Camco 23303 1/2 Back-Flow Preventer - Lead Free, Model: 23303, Outdoor&Repair Store

Clean the Pump Head Diaphragm

A pump head diaphragm is equipped with two valves: one for suction and one for delivery. One of the elements of this pump is the O-rings, which creates a watertight seal between the valve and the pump head. The RV water pump won’t shut off if the pump head starts to get clogged up. So, be sure to clean this regularly.

Replace the Pump Pressure Switch

If the pump still won’t shut off after cleaning the pump head, then the pump pressure switch is the problem. This component is responsible for activating and turning off the water pump. Pump pressure switch is not manually operated by the owner, but controlled with the water pressure. That means you can’t changed this out, so you either buy a new pump or a new pump head.

When No Water Flows To Any Of The Faucets

  • First, check if there’s water in your freshwater tank. I know this is really obvious, but it’s the one thing anyone could overlook. Besides, if the tank is low or empty your RV water pump won’t have anything need to pump!
  • Second, search for any loose connections and worn, split or cracked water lines leading to the actual water pump. After that, check also the lines leading out of the holding tank and up into the rig.
Look for any loose connections or cracked water lines leading to the actual water pump.
Look for any loose connections or cracked water lines leading to the actual water pump.
  • Third, loosen the water line to the pump until it disconnects. If the water in the line is travelling toward the pump, that’s good news. But if the water line seems dry then there’s a problem with the actual water line coming from the tank to the pump.
  • Fourth, see if there’s blockage or tube damage to one of the components. Refill the waterline with water to re-establish suction. Now, reconnect it with the pump and turn it on to see if the water moves toward the faucets. You might have to wait for a couple of minutes, so be sure the faucets are fully open.
  • Lastly, if there is still no water, then something in the motor pump needs to be replaced. Don’t feel frustrated. You can always ask for a professional’s help to check all the lines for you. Cheer up! Maybe it’s time to replace your water pump with a better one.

The Best RV Water Pumps Of 2019

According to US Auto Authority, the following RV water pumps are the best finds this 2019:

2019 Best RV Water Pumps
2019 Best RV Water Pumps

1. Shurflo 4008-171-E65 Revolution Water Pump

Chosen as the “Best of the Best,” this Shurflo Revolution Water Pump is not only affordable but also has features you’ll look for a high-quality product. This product will last longer and perform better in all plumbing systems because of its unique one-piece diaphragm and internal by-pass.

2. Shurflo 288-554-14 Fresh Water Pump

Awarded as the “Editor’s Choice,” this Shurflo Fresh Water Pump is perfect for recreational vehicles. You can be sure that your water is safe not only for bathing but also for food preparation because of its NSF certification. TO silence the product, use the Shurflo Pump Silencing Kit.

SHURflo 182-200 Pre-Pressurized Accumulator Tank,Black
Superior Pump 91025 1/5 HP Thermoplastic Submersible Utility Pump with 10-Foot Cord, Black
WAYNE PC2 Portable Transfer Water Pump With Suction Hose And Attachment, Black
SHURflo 182-200 Pre-Pressurized Accumulator Tank,Black
Superior Pump 91025 1/5 HP Thermoplastic Submersible Utility Pump with 10-Foot Cord, Black
WAYNE PC2 Portable Transfer Water Pump With Suction Hose And Attachment, Black
SHURflo 182-200 Pre-Pressurized Accumulator Tank,Black
SHURflo 182-200 Pre-Pressurized Accumulator Tank,Black
Superior Pump 91025 1/5 HP Thermoplastic Submersible Utility Pump with 10-Foot Cord, Black
Superior Pump 91025 1/5 HP Thermoplastic Submersible Utility Pump with 10-Foot Cord, Black
WAYNE PC2 Portable Transfer Water Pump With Suction Hose And Attachment, Black
WAYNE PC2 Portable Transfer Water Pump With Suction Hose And Attachment, Black

3. Flojet 03526-144A Triplex Diaphragm Automatic Water System Pump

One impressive feature of Flojet Triplex Diaphragm Automatic Water System Pump is its smooth operation without using the accumulator tank. It also has a soft, noise-absorbing mount that minimizes the annoying noise and vibration when it’s running.

4. New SEAFLO RV Mount Macerator Waste Water Pump

One impressive feature of this SEAFLO Waste Water Pump is the option to plumb it in the wastewater system of your vehicle or mount it to its discharge port. Its quick-release feature also promotes ease when cleaning.

5. Seaflo Water Diaphragm Self Priming Pump

One outstanding quality of this water pump is that it runs dry without the risk of getting damaged. It also takes pride in its 100 psi pressure setting, which makes it highly efficient.

6. Flojet 18555-000A Portable RV Waste Pump

One good feature of this pump is that you can directly connect this to the waste outlet of your RV without using the 3-inch sewer hose. With its powerful, self-priming macerator pump, you can empty tanks in your RV without going to the dump stations.

Zoeller 267-0001 M267 Waste-Mate Sewage Pump, 1/2 Horsepower, 115V
SEAFLO 12V 5.5 GPM 60 PSI Water Diaphragm Pressure Pump
Flojet 18555-000A Portable RV Waste Pump with Garden Hose Discharge Port - 12 VDC Motor
Zoeller 267-0001 M267 Waste-Mate Sewage Pump, 1/2 Horsepower, 115V
SEAFLO 12V 5.5 GPM 60 PSI Water Diaphragm Pressure Pump
Flojet 18555-000A Portable RV Waste Pump with Garden Hose Discharge Port - 12 VDC Motor
Zoeller 267-0001 M267 Waste-Mate Sewage Pump, 1/2 Horsepower, 115V
Zoeller 267-0001 M267 Waste-Mate Sewage Pump, 1/2 Horsepower, 115V
SEAFLO 12V 5.5 GPM 60 PSI Water Diaphragm Pressure Pump
SEAFLO 12V 5.5 GPM 60 PSI Water Diaphragm Pressure Pump
Flojet 18555-000A Portable RV Waste Pump with Garden Hose Discharge Port - 12 VDC Motor
Flojet 18555-000A Portable RV Waste Pump with Garden Hose Discharge Port - 12 VDC Motor

Related Questions

Do you have to run your RV water pump when connected to city water?

You don’t need to run your RV water pump once connected to city water. The city water system provides enough water pressure for your RV water system. You would only use the pump to get water out of your RV’s fresh water holding tank when you are not hooked up to city water.

What is the max water pressure for an RV?

Even though the plumbing in newer RVs can take up to 100 psi, it is recommended to lower their water pressure around 60 psi, and 50 psi for older RVs. But if the campgrounds you’re in already have the pressure regulated on their water source, you may not need to use a water pressure regulator for your RV.

LEAVE A REPLY

Please enter your comment!
Please enter your name here

Most Popular

12 Of The Best 12 Inch Subwoofer Products For 2021

Are you ready to shake the ground with the best 12 inch subwoofer installed in your car? Just how much bass do...

Best Pressure Washers for Cars (Review and Buying Guide)

Keeping your car clean at all times is vital to the overall health of your vehicle. But sometimes, maintaining a clean car is not as easy as it sounds, especially when you are busy like a bee.

Best Steam Cleaners for Cars

Steam cleaning is an excellent way to deep-clean your car, whose fabric takes a real beating in the long run.

Best Tires for Sports Cars (2021)

Whether you just purchased a new sports car or owned one for a long time, getting the best tires for sports cars is very important. Once and for all, you need it not only for your car but also for the way you drive as well.

Recent Comments