
Here are those instructions:
- Locate your water pump and disconnect the water outlet line
- Attach a rubber hose and make sure it is long enough to avoid kinking
- Then fill a 12 ounce jar or can with water
- Hold your end of the hose up above the water pump and pour the water in the hose
- Place your thumb over the hose end and turn your pump on. ...
Full Answer
How to clean RV water lines out?
Steps To Blow Out RV Water Lines
- Safety First! Safety should come first when we’re discussing any sort of RV maintenance. ...
- Drain Tanks and Unplug Connections. Before you even worry about connecting your air compressor, you’ll need to do some prep work. ...
- Locate Blowout Plug. ...
- Connect Blowout Plug and Air Compressor. ...
- Blow Out Your RV Water Lines! ...
- Disconnect Compressor and Blowout Plug. ...
How to blow out RV water lines for winterization?
Blowing Out the Plumbing Lines With an Air Compressor
- First, disconnect your RV from the water hose and open the faucets, turn on the shower and flush the toilet to drain the water from those lines.
- Next, attach the blow-out plug to the water inlet, where the hose goes.
- Set your air compressor at 30 psi or less; this is very important to prevent damage to the plumbing system.
How to repair water damage inside camper or RV?
To know if your RV has water damage, look for below signs:
- Discoloration, specially near windows, door or ceiling.
- Delamination of fiberglass.
- Soft softs on the floor.
- Wrinkles on the wallpapers.
- Stains or dark rotted wood on the RV body.
- It feels damp and usually produces musty smell.
How to repair an underground water line?
Materials
- Replacement water line service pipe (usually 1-inch diameter)
- Twine or string
- Wood stakes
What is PEX in RV water supply?
Can you cut PEX tubing?
Is PEX tubing safe for hot water?

How do you fix a leaking water line in an RV?
0:2912:15RV Water Line Repair Procedure - YouTubeYouTubeStart of suggested clipEnd of suggested clipOr you may just have gotten a frozen line and the pex line has split. And is causing a leak. OkayMoreOr you may just have gotten a frozen line and the pex line has split. And is causing a leak. Okay you can cut that out and add new pex line to it using connectors and uh or couplers.
What kind of water pipe is used in RVs?
PEX”That's because the water lines in most RVs are plastic “PEX” pipe. They are not buried inside walls and are usually accessible for easy repair. PEX stands for cross-linked polyethylene. Typically, this pipe is connected using a special tool and metal fittings that can complicate the fixing procedure for RVers.
What type of PEX tubing is used in RVs?
Regarding standard sizes for PEX, the 1/2 inch is the biggest PEX used in RVs, while the 3/8 inch is a slightly smaller size PEX. However, most RVs use 1/2 inch PEX tubing or piping. 1/2 inch PEX tubing or piping is used because it has the highest flow rate.
How do you fix frozen RV pipes?
How to Unfreeze Your Pipes1) Heater. A portable propane heater or space heater with an extension cord can be used to thaw your pipes. ... 2) Heat Tape. ... 3) Heat Gun or Hair Dryer. ... 4) Call a Plumber. ... Winterize Your RV. ... Upgrade Your Insulation. ... Heated Water Hose. ... Electric Tank Heater.
Is RV PEX the same as house PEX?
Is RV PEX the Same as House PEX? Yes, it is. The PEX used in an RV is “basic” PEX.
How much does it cost to replumb a camper?
The average cost to replumb a mobile home can run up to $4,000 on average, but because the reasons for the job can vary widely, so can the costs.
Is PEX good for RV?
TLDR: Basically PEX pipe is tubing that is used for plumbing that is much easier to use and install than more traditional plumbing materials, plus it's super lightweight and strong, more resistant to breakage caused by freezing than both copper or PVC pipe (great for a camper) AND you can get it in different colors so ...
How do you change the PEX on a camper?
4:4418:58How to Repair Leaking RV Plumbing with PEX (RV Living) 4K - YouTubeYouTubeStart of suggested clipEnd of suggested clipStuff i'm going to cut the pex pipe and using pex connectors connected up to my pecs.MoreStuff i'm going to cut the pex pipe and using pex connectors connected up to my pecs.
Is RV plumbing the same as house?
RV plumbing is not much different from a traditional home plumbing. Your RV plumbing allows you to shower, wash your dishes, and perform basic household clean up. Apart from the connectors, other elements in your RV plumbing, including the sinks, is the same as what we use in our homes.
How do you thaw out RV pipes?
Wrap the lines with heating tape or heating cable and let them slowly thaw from the heat of the cables. Use a heating gun or hair dryer to thaw a specific section of pipe. Install a heating blanket over the frozen tank. Place a portable propane heater under the RV to thaw both tanks and pipes.
How long does it take RV pipes to unfreeze?
These RVs can experience sub-freezing temperatures for 24 hours or more without the pipes freezing. RVs without special protections can freeze in a matter of hours if temperatures plummet. However, if temperatures hover near or slightly below freezing, it can take approximately 24 hours for your pipes to freeze.
Should I pour hot water down frozen pipes?
Never pour hot water on frozen plumbing or try to thaw pipes with a blowtorch. The hot water usually freezes on the outside of the pipe, and the torch can cause frozen pipes to explode if steam is produced. Also, do not strike pipes in an attempt to break up the ice, as hammer blows can cause pipes to crack.
Types Of Water Lines
Copper lines are seldom used in today’s RVs. They can be found in older units dating back to the 60’s or 70’s.
How To Repair The Water Line
When water lines freeze and split, you will be left with a cut in the line — possibly as long as an inch or so. Usually there is enough slack or movement in the line to allow you to cut out the damaged section containing the split. Then, you can rejoin the two ends with one fitting.
Types Of Fittings
A compression union fitting is the best choice when reattaching the 2 good ends of the water line. You could also take your small damaged section of water line with you to the hardware store (or RV dealer if it’s closer), and they can fix you up with the proper fitting. Installation will require a couple wrenches.
What is the difference between RV water lines and plastic water lines?
RV plastic line, which is the material of choice for modern vehicles. RV water lines can freeze, which causes them to split. This results in a cut in the line, and these cuts are what leak water.
How to cut copper water lines?
Plastic water lines can be easily cut using a knife. Copper lines can be cut using a tubing cutter. This is the best way to ensure that you do not deform the tube. Only cut out the damaged part, and ensure that you have a similar-sized replacement.
Can you cut out a split water line in an RV?
The water line in your RV was installed with some slack, so if you have a split line, you can simply cut out the part with the slit, then rejoin the two ends with a water-line fitting. If you need to repair a larger section, simply buy a water line that is the same length (as that you intend to cut), and the appropriate RV water line fittings.
Can you find a water leak in your RV?
You turn on your water pump, and all of a sudden there’s water on the floor. One of your water lines has burst, or cracked.#N#After a long cold winter, it is not rare to find leaks in your water lines. A thorough search will usually take you directly to the problem. Look in cabinets, storage compartments, in the shower, or even under the RV.
RV Water Line Maintenance
Wondering what you should be doing to take good care of your RV water lines? Remember these things:
Purchase an RV Water Pressure Regulator
Make sure you are using a water pressure regulator every time you connect to a water hookup. This will protect your RV waterline tubing from bursting due to high water pressure.
Invest in an RV Water Filter
An RV water filter will help clean the water before it enters your rig’s water lines. This will keep the lines clean and free of weird smells.
Sanitize RV Water Lines
In addition to using a filter to keep thing clean, it’s a good idea to sanitize your lines from time to time. Our instructions on how to do this can be found here.
How to Blow Out RV Water Lines
Before freezing weather hits, it’s important to winterize your water system. Some people use antifreeze in their water lines, while others feel it’s ideal to blow out RV water lines. We find the latter is a bit cheaper, easier, and cleaner.
RV Water Line Repair
Unfortunately, no matter how careful you are, things will break over time. Luckily, RV plumbing systems are relatively easy to work on as long as you can get your hands on the right RV water line repair parts.
RV Water Line Fittings
Usually, a leak can be fixed quickly and easily using RV water line connectors. Simply cut out the damaged part of the tubing and reconnect the two parts using RV water line fittings. You can choose between RV plastic water line fittings or metal fittings. Either way, you should only need simple tools such as a wrench or pliers to do the repair.
What happens when you turn on a water pump?
You turn on your water pump and water starts running all over the floor. Not fun to clean up, but at least it’ll tell you where to look for the break. It might take some time to rummage through all those cabinets and storage spaces to find the problem area, but you can usually find the leak.
Do you need a tubing cutter for copper lines?
Just a note – copper lines will require a tubing cutter to avoid deforming the tube, while a utility knife is sufficient for plastic lines. So what kind of fitting do you need? This might be the tricky part. A compression union fitting is a good choice when you only need to reconnect two good ends of line.
Why do you need extra tubing for RV water lines?
Because it is so easy to replace these water lines, it is recommended to have extra tubing with when traveling. That way, should the line get cracked or damaged you are prepared to replace the damaged section. Pex tubing is lightweight, but durable to withstand the pressurized water coming into the RV unit. If you have an older RV ...
What size tubing should I use for RV water lines?
This tubing is much better than the old gray 3/8-inch tubing, which had low water pressure inside the unit.
Can you use Pex tubing on RV?
Because the Pex tubing is easily installed, you should be able to add additional features to your RV, including extra faucets, a refrigerator with an ice maker, exterior shower and/or a winterizing kit. When RV water lines need replacing, this type of tubing can be used to connect water lines with elbows or crimp connectors.
Introduction
After a rough winter spring fills one’s heart with sheer joy. This calls for some camping trips in the sunshine. But your RV needs some maintenance work. Unclogging RV water lines must be one of the first things on your to-do list.
5 Simple Steps to Unclog RV Water Lines
A clogged water pipe in an RV can be a major issue. It takes a bit of manual labor and some technical prowess to unclog it. It’s not that hard like removing the RV window screen. It’s one of the first things you should do while performing routine RV maintenance.
FAQs
Answer: The obvious answer is by vinegar treatment. RV experts say that you should pump a vinegar-water solution into the RV water system. You must let it sit overnight. The solution should be made at 1:1 water to white vinegar proportion.
Bottom Line
With that, we’ve come to an end of our conversation. That was How To Unclog Rv Water Lines in a step-by-step manner.
So back to your question of how to repair a leaking water line
The easiest way to repair a leaking water line is to cut out the damaged part of the PEX line and use a stab-in connection or crimp type band clamp. If the PEX has a simple cut or hole, you can just cut the bad area out and slip the ends into the stab-in connection.
Some plumbing experts recommend the crimp band
Some “old school” plumbing experts are not convinced the compression fittings will hold and recommend the crimp band, which requires a special tool.
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What is PEX in RV water supply?
They are not buried inside walls and are usually accessible for easy repair. PEX stands for cross-linked polyethylene. Typically, this pipe is connected using a special tool ...
Can you cut PEX tubing?
While working on water lines, you just need a tool to cut the PEX tubing itself. You can use a utility knife, but a tubing cutter designed for PEX ensures a clean, even edge. This is also a requirement for a leak-proof connection. These cutters are less than $10.
Is PEX tubing safe for hot water?
Additionally, PEX is ideal for both cold and hot water (some up to 200 degrees) plumbing. Typically, the rating is on the tubing itself. Chlorinated water is not an issue in terms of tubing or health safety.
