How To Keep RV Water Pump From Freezing?

To prevent freezing, winterize your RV’s water pump by draining all the water from the system. This includes disconnecting hoses and removing any strainers or filters that may contain water. Any residual water in these components can freeze and cause damage to the system.

Once all of the lines have been disconnected, you should use a non-toxic RV antifreeze to winterize the system. This solution contains glycol, which prevents water from freezing and allows it to flow through the lines without being affected by temperatures as low as -50 degrees Fahrenheit.

You should ensure that all plumbing valves are closed tightly after draining and filling the system with the antifreeze solution. This prevents any residual water from entering and freezing within the system, causing damage to your RV’s plumbing.

What Is An RV Water Pump?

RV water pump circulates water in an RV. It is typically used to help provide fresh water. 

How Does The RV Water Pump Work?

The RV water pump uses a series of valves and pumps to circulate water throughout the plumbing system. Fresh water is pumped in from a freshwater source, such as a campsite’s water spigot, and then distributed through the system. Contaminated water is flushed out through a separate set of valves and pumps.

Why Does It Matter If The Pumps Freeze?

When water freezes, it expands. It will cause significant damage to the pump, as well as the plumbing lines. If a pipe bursts, it can lead to an expensive repair bill.

How To Keep Your Rv’S Water Pump From Freezing This Winter?

Tools To Unfreeze Rv Pipes And Tanks:

  • Heat Gun: Use a heat gun outside the tank to help thaw it.
  • Hair Dryer: A hairdryer can also help thaw your RV pipes.
  • Heating Cable Or Heating Tape: This can be wrapped around your RV’s water lines to help prevent them from freezing.
  • Heating Blanket: A heating blanket can be placed over your RV’s water tank to help prevent it from freezing.
  • Propane Heater: A propane heater can help thaw out your RV’s pipes if frozen.
  • RV Skirting: RV skirting can be placed around the bottom of your RV to help insulate it and prevent the pipes from freezing.
  • RV-Specific Antifreeze: This is a particular antifreeze designed for use in RVs.

8 Ways To Prevent Frozen RV Water Pipes:

For those of you who live in areas with freezing temperatures, you’ll take extra steps to keep your RV’s water pump from freezing. Here are a few tips:

  • Insulating Your RV’s Water Pipes: This will help to prevent heat loss and keep the water inside them from freezing. You can use special RV-specific insulation for this or any insulation that will fit around the pipes.
  • Running The Water Through The Night: If the temperatures are expected to dip below freezing, you can prevent your pipes from freezing by running the water through them for a few minutes each night. It will keep water moving and make it less likely to freeze.
  • Keeping The Internal Temperature Of The RV Warm: You can also help to prevent your RV’s pipes from freezing by keeping the internal temperature of an RV warm. It can be done by running a space heater when it’s cold outside.
  • Empty Your Tanks And Water Lines: If your RV is going to be stored for an extended period, you’ll need to empty the tanks and water lines.
  • Leave Cupboard Doors Open: If you have pipes in your cabinets, leave the doors open so that heat can get to them.
  • Use a Heated Water Hose: If you’re going to be in a cold climate, invest in a heated water hose. These hoses are designed to prevent freezing, even in the most frigid weather.
  • Skirt Your RV: If you have an RV, you can buy a skirt around the bottom. This will help keep warm air in and cold air out.
  • Use an RV Cover: If you have an RV, you can buy a cover. This will help keep the cold air out and the warmth in.
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Following these tips will help keep your RV’s water pump from freezing and ensure it continues to work correctly.

Can An RV Freeze In One Night?

RVs can freeze in one night if the temperature drops low enough. For an RV to freeze, the temperature inside the RV needs to be lower than the freezing point of water, which is 32 degrees Fahrenheit.

If the temperature inside an RV drops below 32 degrees Fahrenheit, the water in the RV’s plumbing system will start to freeze.

Why Does An RV Antifreeze Freeze?

RV antifreeze can freeze because it is designed to lower the freezing point of water. It means that it will take longer for the water in the antifreeze to freeze, but it can still happen if the temperature is low enough.

Will Shutting Off Water Keep Pipes From Freezing?

No, shutting off the water will not keep pipes from freezing. The water in the pipes will still freeze if the temperature drops below freezing. However, if you shut off the water before the pipes freeze, you can prevent them from bursting.

What Are Some Signs That My Rv Water Pump Needs To Be Replaced?

If your RV water pump isn’t working as well as it used to, or if it starts making strange noises, it’s time to replace it, and if your water pump is more than ten years old, it’s probably time for a replacement.

Do All Water Pumps Need To Be Winterized?

No, not all water pumps need to be winterized. If you live in an area where the temperature does not drop below freezing, you won’t need to take any special steps to winterize your water pump. 

How Much Does It Cost To Winterize Your RV?

The cost of winterizing your RV will vary depending on the size and type of RV and the specific winterization services you need. Some RV owners may be able to do some of the work themselves, while others may need to hire a professional. Here are some rough estimates of what you can expect to pay to winterize your RV:

  • Small RV (under 28 feet): $75-$150
  • Medium RV (28-35 feet): $125-$250
  • Large RV (over 35 feet): $200-$350
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Frequently Asked Questions:

At What Temperatures Will Pipes Freeze In The Winter?

It depends on the type of pipe, but most pipes will freeze at around 28 degrees Fahrenheit.

Water freezes at 32 degrees Fahrenheit, so you might think all your pipes would freeze at that temperature. However, different types of conduits have other freezing points. Metal and PVC pipes will freeze at around 28 degrees Fahrenheit, while polybutylene pipes will freeze at about 23 degrees Fahrenheit. So if you’re wondering whether or not to run a space heater in your house this winter, you’ll need to consider the types of pipes you have.

What Happens If RV Pipes Freeze?

If the RV pipes freeze, the water will not be able to flow through them, and the pressure could build up in the system. It could cause the pipes to burst and flood inside the RV.

Will RV Holding Tanks Freeze?

Yes, if the temperature outside falls below a certain point, your holding tanks will freeze. 

Should You Cover A Camper In Winter?


Covering your camper in the winter is essential to protect it from the cold weather and snow. A cover will keep the snow and ice from building up on the camper, and it will also help to protect the camper from rust and corrosion. Make sure to choose a cover that is made for camping trailers, and be sure to read the instructions carefully for installation.

How Is Cold Too Cold For An RV?

In icy weather conditions (below -20 degrees Fahrenheit), you risk your RV’s electrical system freezing up. So if you’re traveling in areas with shallow temperatures, avoid using your RV altogether or take all necessary precautions to keep it as warm as possible.

What Are The Vulnerable Things To Freeze In RV Water System?

The water pump is one of the vulnerable things to freeze in an RV water system. When the pump freezes, it can damage the seals and gaskets, leading to leaks.

Another vulnerable thing to freeze is the pipes. If a pipe freezes, it can burst and cause extensive damage to the plumbing system.

The water heater is also vulnerable to freezing, and if it does freeze, it can cause extensive damage to the unit.

What To Do If You’re an RV Plumbing Freeze?

If your RV plumbing freezes, you can try the following things to thaw it out:

  1. Open all faucets and allow the water to run until it’s coming out hot.
  2. Put a space heater near the plumbing (but not too close, or you could start a fire).
  3. Turn on the engine and let it run for a while (this will generate heat that will help to thaw the pipes).
  4. If all else fails, you may call a professional plumber to help thaw the pipes.

What Is RV Winterization?

RV winterization is the process of preparing your recreational vehicle (RV) for cold weather. This usually involves adding antifreeze to your water lines and emptying your holding tanks. Winterizing your RV can help prevent damage from freezing temperatures and make it easier to use your RV again in the spring.

Will RV pipes freeze at 32 degrees F?

The water lines in your RV should not freeze at 32 degrees Fahrenheit unless exposed to severe cold or wind. If you are concerned about your pipes freezing, you can insulate them with heat tape or pipe insulation.

Will RV antifreeze thaw frozen pipes?

Yes, non-toxic RV antifreeze will thaw frozen pipes. Be sure to use a non-toxic antifreeze, as some types of antifreeze can be harmful to pets or children.


Whether you are new to the RV world or a long-time experienced camper, it is essential to winterize your RV water pump. By taking the proper precautions, you can avoid any costly damages and keep your pumps running all winter smoothly long! If you have any questions about maintaining your RV water pump or need help choosing the right one for your needs, feel free to contact our team of experts today.

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