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travel trailer grey water parts

RV Plumbing System Basics: Diagrams & How It All Works

travel trailer grey water parts

RVs can be intimidating, especially if you’re brand new to them. They have so many different systems and it’s all so different from what we’re used to in our homes. Learning it all can feel overwhelming, but RVing Headquarters is here to help! If you want to learn RV plumbing system basics, you’re in the right place. 

Not only do we cover the basics and include RV plumbing diagrams, we’ve also got several step-by-step “how-to” tutorials in this post! 

This guide covers:

  • RV plumbing system basics
  • RV holding tanks
  • How RV toilets work and how to use them
  • How to sanitize your fresh water tank
  • How to dump your waste water
  • How to find RV dump stations
  • Essential RV plumbing accessories
  • And so, so much more!

This post contains affiliate links. This means if you make a purchase after clicking a link on our website, we may earn a small commission at no extra cost to you.

Table of Contents

RV Plumbing System Basics

Your RV plumbing system is made up of many of the same components as a house plumbing system, with a major difference: you store your fresh AND waste water on board. 

Every self-contained RV will have at least 3 water holding tanks, and the size of the tanks is dependent on the size of the RV. The holding tanks on an RV are: 

  • Fresh water tank – stores fresh, potable* water for drinking, cleaning, and showering.
  • Grey water tank – stores waste water from your sinks and shower. 
  • Black water tank – stores waste water from your toilets–aka sewage.

*Potable water is water that is safe for human consumption. 

Some larger RVs and fifth wheels may have 4 tanks if they have two bathrooms. 

These 3 tanks allow you to have all the comforts of home, no matter where you are. 

You can use the toilet in your RV, shower in your RV , wash dishes, cook, and yes: you can even drink the water from your RV fresh water tank.

You can fill your RV with fresh water from home, campgrounds, or anywhere with a potable water spigot. 

When it’s time to dump your waste water, you need to find an approved RV dump station and connect a sewer hose to dump your RV–we explain all of this later in this post.

RV waste water must always be dumped at an approved dump station. Never dump your RV waste water on the ground. It’s illegal and it’s a biohazard!

Your RV has holding tank sensors on each tank and a panel inside the RV that tells you how full your tanks are so you always know if you need water or if you need to find a dump station.

RV Plumbing System Diagram: An Overview

travel trailer grey water parts

Water-Using Appliances and Fixtures in an RV

Every self contained RV will have these fixtures and appliances at minimum: 

  • Hot water heater

The bigger and more luxurious an RV you have, the more water-using appliances and fixtures you will have. These include: 

  • Shower(s) – indoor and outdoor
  • Washing machine

RV Holding Tanks Explained

To understand RV plumbing system basics, you need to understand RV holding tanks. There are 3 types of holding tanks in every self-contained RV , and each type of tank holds a different kind of water. 

Although larger RV types may have more than 3 tanks total, there are only 3 kinds. 

Fresh Water Tank

The fresh water tank holds fresh, potable water. You can use this water for drinking, showering, cooking, and washing dishes. 

The fresh water tank supplies water to every water-using appliance in your RV. This tank has a filling port on the RV exterior called the city water connection. 

“City Water” can mean potable water from any potable source, like from your house spigot, a campground, etc. 

Depending on the size of your RV, your fresh water holding tank may be able to hold anywhere from 12 – 100 gallons of fresh water.

Grey Water Tank

“Grey water” is the term used to describe waste water from your sinks, showering, dishwasher, and washing machines. This waste water contains soaps, washing chemicals, and even food particles from washing dishes. Grey water is not true sewage, but it can definitely develop a terrible odor! 

Typically, the grey water tank on your RV is as big as (or bigger) than your RV fresh water tank. The grey water tank also fills up the fastest and needs dumped more often.

This tank is plumbed to the grey tank waste valve on the exterior of your RV for dumping.

Black Water Tank

“Black water” is the term used to describe sewage, so your black water tank is your sewage tank. The black tank holds waste and waste water from your toilets, and occasionally your bathroom sink. 

If your RV has two bathrooms on either end of the RV, you will likely have 2 black tanks. This is because the black tank is always directly beneath the toilet. This allows solid waste and paper to drop straight from the toilet into the black tank, so you never have to worry about toilet clogs (unless you develop a poop pyramid). 

The black tank is plumbed to the black tank waste valve on the exterior of your RV for dumping, located right next to the gray tank waste valve.

RV Holding Tank Diagram

RV holding tank diagram black and gray tank

The RV Toilet Explained & RV Toilet Diagram

travel trailer grey water parts

If you’ve ever stepped foot in an RV bathroom, you probably noticed that RV toilets are nothing like residential toilets . 

They have a flap that closes the hole, and a pedal on the exterior of the toilet. They don’t have a fresh water holding tank and they also look quite a bit different from a residential toilet. Some RV toilets even have a sprayer or spraying wand for rinsing the bowl. 

So how does an RV toilet work ? 

How Your RV Toilet Works

There are 3 things that make the RV toilet work: 

An RV toilet doesn’t have a freshwater tank, but it is hooked up to a water line which you can usually see on the back of the toilet.

The RV toilet pedal works to open the flap and flush the toilet, but it also serves two purposes. 

If you hold the pedal down halfway, it fills the toilet bowl with water but doesn’t open the flap. 

If you press the pedal all the way, it opens the flap AND activates the water. 

The flap in the bottom of the toilet bowl is lined with a rubber gasket, called the flush seal. This rubber gasket serves two purposes: it holds water in the toilet bowl, and it also creates an air-tight seal to prevent odors from the black tank from entering the RV. 

RV Toilet Diagram

RV toilet diagram - the rv toilet is plumbed into the black tank as you can see in the RV toilet plumbing diagram

How to Use an RV Toilet

You can use your RV toilet for both #1s and #2s, but the process is a little different for each. 

To use an RV toilet, first hold down the pedal halfway to add some water to the toilet bowl. If you’re going #2, be sure there is plenty of water in the bowl.

To flush, depress the pedal all the way. Hold the pedal down long enough to flush all debris out of the toilet bowl and rinse it. 

If you go #2 or you use toilet paper, hold the pedal down for several seconds to flush with plenty of water. 

The key to preventing RV black tank clogs is making sure you always have plenty of water in the tank to help liquify solid waste. 

This information is for a standard RV toilet which is the most common, but there are many other RV toilet types. Examples include the composting toilet , cassette toilet, macerating toilet, and more.

IMPORTANT RV TOILET TIP: How to Avoid RV Black Tank Clogs

RV black tank clogs are something no one wants to deal with, but they happen often. One of them is the dreaded RV poop pyramid that happens when solid waste and paper build up and create a literal pyramid in the tank.

Here are 4 important tips to prevent RV black tank clogs (essential RV plumbing system basics tips).  

  • Always flush with plenty of water. 
  • Use RV-specific toilet paper in your RV toilet, or don’t flush your paper and put it in a trash can instead. 
  • NEVER leave your black tank waste valve open, even at a full hook-up campground. This causes poop pyramids by allowing liquids to drain and solids will build up. Leave it closed until the tank is full and ready to dump.
  • Use a black tank treatment like RV Digest-It to help dissolve solid waste. 2oz treats a 40 gallon tank, add it in after you dump and rinse your tank. This will prevent dried waste from accumulating in your black tank.

RV Plumbing System Inputs and Outputs

travel trailer grey water parts

So how does fresh water go IN your RV, and waste water go OUT? 

City Water Connection/Fresh Water Fill

Fresh water goes into your RV via the city water connection, which is a port on the exterior of your RV that you hook a hose up to. 

Never use a regular garden hose to add fresh water to your RV–you need a potable water hose. Potable water hoses are made specifically for clean drinking water and are free of the chemicals that can leach into the water that you find in garden hoses. 

Never use your potable water hose for anything other than drinking water. You can use a utility hose for everything else! Store your potable water hose in its own separate and SANITARY container. You never want to risk cross-contaminating! 

RV Waste Valves

travel trailer grey water parts

RV waste valves are exactly what they sound like: valves that open to dump your RV waste water. 

Your RV fresh water fill and RV waste valves are both located on the driver’s side exterior of your RV. 

In many cases, they are all located in the same general area. Some RVs have a sanitation-station area located in a storage bay, but others have them exposed.

The gray water and black water waste valves will usually look just like handles attached to a metal rod. Pulling these handles will open a valve, called a gate valve, that dumps your RV waste water tanks. 

These valves have a rubber gasket, similar to the one on your toilet flap. This keeps them closed and watertight, but they can fail from time to time. If you notice waste water dripping from this area, you may need to replace your gate valve. 

Never pull your gate valve handle until you are absolutely sure that your RV sewer hose is tightly connected and securely attached to a dump station.

Once you pull the valve to dump your tanks, water comes out with such force that the hose can easily pop off or come out of the sewer port on the ground. 

Editor’s Note: The sewer hose popping off mid-dump has happened to me more than once and it’s a disgusting mess! Now I am always sure to tug on my sewer hose at the connection after I hook it up to make sure it’s secure.

How to Fill Your RV Fresh Water Tank

travel trailer grey water parts

One of the easiest RV plumbing system basics is filling your fresh water tank. Filling your fresh water tank is as simple as hooking up your potable water hose to a spigot, connecting it to your RV, and turning on your “Fresh Tank Fill”. 

The fresh tank fill may be labeled differently on different RVs, but it should say something similar. 

On most RVs, it’s a knob that can point in one of two directions: city water or fresh tank fill. 

Leaving the knob on “City Water” does not fill your fresh water tank. This simply allows the water from the spigot to go directly to your taps and appliances any time you use them. This is a good option if you are staying in one spot for a long period of time, as long as the temps are above freezing. 

Turning the knob to “Fresh Water Fill” will allow the water to go through your RV plumbing and fill up your fresh tank. Be sure to constantly monitor your tank monitoring panel so you can turn the water off before your fresh water tank overflows. 

Can You Drink Water From Your RV?

Yes! You can drink water from your RV, as long as you keep up on your fresh water tank sanitization maintenance. Your RV is meant to be a home-away-from-home, and it’s meant to have every creature comfort as a house. 

If you regularly sanitize your fresh water tank, the water in your RV can be used for drinking, bathing, washing dishes, and cooking! 

Sanitizing Your RV Fresh Water Tank – RV Plumbing System Basics

You should sanitize your RV fresh water tank every 6 months if you’re a full-time RVer, or before every camping season if you’re a part-time RVer.

Sanitizing your RV water tank is a pretty simple procedure. It involves adding chlorinated water to your fresh water tank and running it through all your faucets. Then, let it sit for several hours, drain it out, and run fresh water through your system. 

Important: Never add undiluted bleach to your RV plumbing system. This will damage your tank and pipes! Always be sure to mix bleach with plenty of water and have a few gallons of water already in your tank before adding the bleach mixture. 

You’ll need about ½ cup of bleach for every 25 gallons of fresh water. Mix your required amount of bleach with several gallons of fresh water before adding to your RV tank.

  • Drain your RV fresh water system including all faucets, toilet, shower, etc. 
  • Turn off and bypass your hot water heater and any other appliance you don’t want bleach to get in. There are knobs to do this, refer to your owners manual if necessary.
  • Mix your bleach with several gallons of fresh water. 
  • Add bleach water to your RV fresh water system.
  • Fill fresh water tank. 
  • Turn on your water pump and open all faucets one by one until you smell the bleach water mixture.
  • Let sit for 6-12 hours. 
  • Drain your fresh water tank and refill. 
  • Run fresh water through all your faucets (one-by-one) until you no longer smell bleach, and you’re done!

How and Where to Dump Your RV Waste Water

how to dump your RV waste tanks: photo shows a person connecting RV sewer hose to dump their RV waste tanks

To dump your RV waste water, you need: 

  • An RV sewer hose kit with a clear attachment
  • Clorox wipes 
  • Utility hose
  • A dump station! 

The quality of your accessories will make all the difference when doing this dirty job.

Not all RV sewer hoses are made the same, and some can make the job a lot harder, messier, and more disgusting than others. 

Editor’s Note: I tried the cheap, flimsy RV sewer hoses ONE TIME and vowed I would never go back! It was an awful experience, the sewer hose slithered around like a snake and the attachments were impossible to screw on.

Now, I use the Rhino Extreme sewer hose kit (shown in photo above) because it’s rigid and stays in place. It’s a bit pricey, but I promise you it’s worth it… I’ll never use another brand!

Most RVers recommend having a clear attachment so you can see the color of the water draining as you rinse out your tanks. It might seem gross, but it’s a fact of life and it’s the only way you can know if your tanks are actually clean! (The Rhino kit comes with one, so no worries on that.)

How to Dump Your RV Waste Tanks – RV Plumbing System Basics

travel trailer grey water parts

RVHQ Tip: always dump your black tank first. Dumping your grey tank after your black tank helps rinse out the sewer hose and remove any remaining sewage or debris.

  • Put on gloves. 
  • Hook up your RV sewer hose to your RV sewer hose hookup, and give it a good tug or jiggle to make sure it’s locked in place. 
  • Put the other end of the sewer hose into the dump port on the ground. Be sure this is secure in the hole. Sometimes there will be a large rock or cement block to put on the top of the hose to hold it in place.
  • Once you’re sure everything is tight and secure, slowly start to open the black tank valve. If the hose is remaining tight and secure, you can open the waste valve all the way. 
  • Once the black tank is empty, close the valve.
  • Hook up your utility hose to your black tank flush (if applicable) and flush your black tank for 10-15 minutes, then drain again and close the valve.
  • Repeat the process with your grey tank, then close the grey tank valve. 
  • Remove your sewer hose from your RV but leave it in the dump port. 
  • Use your utility hose to rinse out your RV sewer hose.
  • Put your sewer hose and utility hose away. 
  • Use sanitizing wipes to wipe down the spigot and all valves and handles on your RV that you touched during the process.

How to Find RV Dump Stations Near You

Dumping RV waste water is just a fact of life, and you can find RV dump stations all over the place. 

By law, you cannot dump RV waste water on the ground. Both grey water and black water should only ever be disposed of in an approved RV dump station. 

RV dump stations can be found: 

  • At your campsite if you have full hook-ups.
  • At campgrounds, RV parks, state parks, etc.
  • At RV dealerships.
  • At RV service centers.
  • At some gas stations.
  • At some rest stops. 

Apps and Websites to Find RV Dump Stations: 

  • Allstays RV Dumps App
  • FreeRoam App
  • RV Dump Stations App

Essential RV Plumbing System Accessories

We say “essential” because these accessories really are essential in some way or another. For example, you can’t dump your RV waste water without a sewer hose. 

And, in some campgrounds, you’re not allowed to hookup to the sewer unless you have a sewer donut and/or a sewer hose support. 

Each of these essential accessories has a link to a recommended product on Amazon and a brief description of why you need it. 

Important: RVers should carry two hoses. You need a potable water hose AND a utility hose. Your utility hose can be a garden hose, and you can use this hose for everything from rinsing your feet to washing your RV or rinsing your sewer accessories. NEVER store your utility hose and potable hose together.

  • Water Filter – A water filter is essential for filtering out sediment from varying water sources. Some campgrounds have a lot of sediment in the water that can damage your RV plumbing.
  • Water Pressure Regulator – Campgrounds do not regulate their water pressure, but your RV can only handle 40-60 PSI. Some campgrounds have 100+ PSI and can rupture your RV pipes.
  • RV Sewer Hose and Clear Attachment – This is essential for dumping your tanks.
  • RV Sewer Donut – This is a sewer port attachment that helps your sewer hose stay in securely. Some campgrounds require this. 
  • RV Sewer Hose Support – This keeps your RV up off the ground and provides a slope for draining. Required by some campgrounds and RV parks.
  • Extra RV Waste Valves – Essential to have if one of your waste valves fails and starts leaking. 
  • Potable Water Hose – For drinking water only. Be sure to get a potable hose that’s rated specifically for drinking water.
  • Utility Hose – For everything else. 

Storing Your RV Plumbing Accessories

Always store your fresh water supplies in a sanitary container that’s watertight and never cross-contaminated with other things. 

Editor’s Note: I like to use clear plastic totes to organize my sewer accessories and I label the exterior so I never mix them up. 

All of my fresh water supplies like fresh water hose, water filters, and water pressure regulator all go in one tote. I keep this tote clean and dry and I clean it with a bleach water spray bottle mixture every few months to keep it sanitized. 

All my sewer supplies go in a designated sewer tote that I store away from my fresh water tote. If you have to store them together, store your sewer tote on the bottom.

Wrapping Up RV Plumbing System Basics

This RV Plumbing System Basics is a beast of a guide, and I hope by now you have a solid understanding of how the RV plumbing system works. And how to actually use it, clean it, and dump it!

The RVHQ editors are constantly adding to this post and updating it to keep the information fresh, and adding additional insight when we find it. 

RVing Headquarters Team

RVing Headquarters is operated by long-time RV enthusiasts with over 8 years of RV industry expertise and full-time and part-time RV ownership experience. From motorhomes to trailers and campervans, we've done it all. Our Mission: to inspire, educate, and entertain anyone who is interested in the RV lifestyle.

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travel trailer grey water parts

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RV Gray Water Tanks

RV Gray Water Tanks

Icon Technologies® - HT176B-ED 43 gal. Center End Drain Waste Holding Tank with 3" Spigot and 4-Level Sensors (58"L x 28"W x 8-1/2"H)

Camping out in your recreational vehicle can be fairly pleasant as you can not only visit many interesting places but also enjoy cooking great meals, taking a shower, and doing your laundry conveniently. However, the aforementioned activities require plenty of fresh water. Waste water is then held in gray tanks specifically designed to serve for this purpose. They are created to retain considerable volumes of liquids for lengthy periods of time. Typically, they are made from quality plastic. As a result, they will not get rusted which ensures a reliable and long-lasting service life.

They can and should be emptied on a regular schedule and sanitized by special detergents and fluids which will remove mildew and unpleasant odors from within them. Besides, they are fairly easy to install. Available in a huge range of sizes, they meet different needs of customers. Some models come with a special level sensor that indicates the level of fluid inside them. The companies that offer their RV gray water tanks on the market include Icon Technologies , Camco , Ameri-Kart , Valterra , Custom Roto-Molding , and many others.

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RV Fresh Water Tanks

Gray Water Tank Upgrades

travel trailer grey water parts

The Fast Gray Modification

The Casita’s 32 gallon gray water tank is notorious for slow draining and leaving gallons of water trapped after dumping.   Emptying can take up to 10 minutes, which is not fun at crowded dump stations.  The tank can seem full before it is due to the vent design.

LHC (Little House Customs) came up with a solution called the “Fast Gray Kit”.   It replaces the existing plumbing allowing the tank to empty in 2-3 minutes.  The “Vent Mod” adds a vent to the grey tank to help it hold its full capacity.

Installation:

2018+ models have an improvement in which Casita upgraded the grey valve to a 3″, but the plumbing still has the same issues. LHC sells a cheaper “Fast Grey Finisher” kit which doesn’t include the valve or Wye as they are not needed.

This was a fairly involved project requiring some special tools.  I needed a 11/16″ drill bit, 1/2″ pipe thread tap, a Sawzall, ABS pipe cement, and some hand tools.  Luckily I had everything on-hand in our well stocked garage.

travel trailer grey water parts

The instructions state that if you have a late model Casita with 3 nuts on the black water drain, a 1″ section needs to be cut out.  The nuts push the black tank drain and valve assembly down at a steeper angle, which needs to be addressed. A rubber connector is installed to help level out the valve assembly.  I double-checked that the black tank was empty before cutting and I’m glad I did or I would have been covered in a gallon of Porta-pak blue liquid.

travel trailer grey water parts

I unbolted the black water valve from the drain assembly, cut the gray water pipe, and dropped the assembly free.

travel trailer grey water parts

The double hose clamps at the gray tank drain are loosened and the pipe is ready to be pulled from the tank.  It’s glued in place, and takes a good twist and pull to remove.

travel trailer grey water parts

The piece on the right is what pulled free from the tank.

travel trailer grey water parts

The existing black water valve and new gray water valve are attached to either side of the new “wye” with 8 bolts.  I installed the bolts with the nuts facing outwards to avoid sharp edges while dumping the tanks.

travel trailer grey water parts

I glued the offset adapter into the gray valve and assembled the hanger around the adapter.  The offset allows the water pipe to come into the valve at a very low angle, helping drainage.  The included angle iron mounting bracket was bolted to a pre-existing hole in the Casita’s frame.

travel trailer grey water parts

I attached the 45 degree “street” elbow to the tank with a rubber coupler and 3 hose clamps. The hardest part was mocking up the 2 pieces of ABS pipe and the 45 degree elbow to see how long each piece needed to be.  After “eye’ing” it the best I could, I cut them to length and glued them together.  Lastly, a second hanger on the drain was marked, drilled, and bolted to the Casita’s frame. Note the white printing on the pipe, I should have turned the pipe so it wasn’t visible.

Plumbing tip:  A “street” elbow is male on one side and female on the other side.  A standard elbow is female on both ends.

travel trailer grey water parts

Here’s the finished set up.  I adjusted the hangers and clamps so the assembly is on a gradual slope to the “wye”  and everything was tightened down.  With the new valve assembly, the “wye” doesn’t rotate up and down like the old set up.  It’s fixed at an angle that allows full drainage, yet not any lower than the bottom of the valves.  This eliminates premature wear on the rubber seals and helps prevent leaks in the future.

Vent Modification

travel trailer grey water parts

This modification lets the tank expel trapped air and fill to full capacity.

travel trailer grey water parts

Drilling the tank was easy.   Unlike the drill bit pictured, I recommend a step bit (also called a uni-bit) which is better for thin plastic.

travel trailer grey water parts

The tap is tapered so just cut the threads and stop, otherwise the hole will be too big.  I used a 9/16″ wrench to turn the tap because it was too close to the floor to use a proper tap handle.

travel trailer grey water parts

Here is the finished vent connecting the tank to the vent stack/kitchen sink drain with a section of clear hose.

I tested out the fast gray on our last camping trip and the gray dumped much faster compared to the old trickle.  It’s a worthwhile improvement with real-world results.

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Greg Zimmerman

Digital thermostat for the furnace, refrigerator hinge reinforcement.

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You’re amazing! Thanks for generously sharing your handy modifications with us.

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Great walk through! Question: what is the purpose of an additional 1/2″ gray tank vent line tied to the 2″ vent line when the gray tank has a 2″ pipe going directly to the vent? It doesn’t make any sense, unless the 2″ shower drain line is greatly obstructed and it’s not able to vent..

The tank gets a trapped air bubble in the top because the 2″ drain line doesn’t go all the way to the top of the tank. The vent mod does so it’ll let out trapped air and get a few more gallons of capacity back.

I have never understood why it’s necessary to add an additional 1/2″ vent line from the gray tank to the 2″ vent pipe when the gray tank is already vented with a 2″ pipe. It doesn’t make sense.

Sorry – my MacBook told me the post I made yesterday didn’t work.

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Can you elaborate a little on the installation new piece to the gray water tank ? Do you in insert a new section of pipe by glueing it and then attach a rubber coupler to the pipe & then another section of pipe towards the drain ?

No glue or rubber needed. The holes into the tank and PVC drain are drilled and tapped (threaded) for the fittings. I use some pipe dope on the threads. Then the 1/2″ PVC hose is slipped onto the barbed fittings. Then the trapped air has a place to go and you get more grey tank capacity.

I’m sorry … I didn’t make my self clear …. I’m uncertain about the replacement of the drain line into the tank, not the vent. I understand you remove the old drain line by working it gently until it comes out of the tank. My question is ….. is there a new section of pipe that is then inserted into the tank & glued to the tank and then a rubber coupling fitted to the retainer of the drain line going to the dump valve?

The drain line just twists and pulls from the tank. Then the rubber coupler goes over the outside of the tank drain fitting. No more pipe going to the tank. That helps even more grey water drain out.

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travel trailer grey water parts

Parts Lookup

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  2. Combine and Equalize RV Grey Tanks

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  4. Caravan Grey Water Tanks; do you really need one?

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COMMENTS

  1. RV Plumbing Parts

    Valterra T1036 Black 90 Deg. Sewer Hose Fitting - 3" Bayonet x 3" Rotating Flange x 1-1/2" Rotating Flange. Buy RV sewer pipe fittings and waste water plumbing fittings today! Our RV plumbing parts include spigots, slip hubs, adapters, drain connectors, and more.

  2. RV Plumbing System Basics: Diagrams & How It All Works

    RV Plumbing System Basics. Your RV plumbing system is made up of many of the same components as a house plumbing system, with a major difference: you store your fresh AND waste water on board. Every self-contained RV will have at least 3 water holding tanks, and the size of the tanks is dependent on the size of the RV.

  3. RV Sewer and Fresh Water Plumbing Parts

    We have sewer plumbing parts such as hoses, waste valves, hose supports, and water treatments. For your fresh water plumbing systems, we have adapters and fittings, water tanks, drinking hoses, valves, water pressure regulators, water filters, pumps, and inlets. If you're looking to replace a faulty faucet or just upgrade to a new style, we ...

  4. Replacement Rubber Grommet for RV Gray Water Tanks

    Replace the grommet that connects your RV's 1-1/2" drain pipe to your gray-water tank with this durable rubber grommet. Grommet installs in a 2-1/2" hole in the bottom of your RV's gray-water tank. Rubber material won't rot. 1-800-940-8924 to order Valterra accessories and parts part number F02-2105 or order online at etrailer.com. Free expert support on all Valterra products.

  5. How Your RV Water System Works: A Complete Newbie's Guide

    Use 1/4 cup of bleach for every 16 gallons your fresh water tank holds. So, if you have a 40-gallon water tank, you'll need 5/8 cup of bleach. Dilute it with around a gallon of water (never pour straight bleach directly into your tank), then pour the mixture in. Fill your tank completely. Make sure to use potable water.

  6. RV Waste Holding Tanks

    Icon 8 Gallon Waste Holding Tank - 46 Inch x 16 Inch x 5-1/4 Inch. 266.69 $253.99. No reviews. ⬤ In Stock. Add to Cart. RV Waste Holding Tanks are essential components for waste management in a Recreational Vehicle. These tanks hold and store the solid and liquid waste generated in an RV during travel. They can be classified into three types ...

  7. The Practical Guide to Your RV Gray Water Tank

    The gray water and cleaning solution should then sit in the tank for another 24 - 48 hours before draining. Odor Troubleshooting and Prevention Tips. Preventing unwanted odors within your RV gray water tank is optimal. To do so, simply clean your gray water tank regularly, and avoid adding unnecessary particles to the gray water tank.

  8. RV Grey Water Tank: The Ultimate Grey Water Tank Guide!

    Lift the sewer hose from the end of the RV to the dump hole, so as to get rid of any remaining water in the hose. Run water in it, if available, to rinse it thoroughly. Disconnect the hose from the hole, and rinse the area around it, in case some spillage happened. Cover the hole. Store your sewer hose.

  9. RV Gray Water Tanks

    RV. Gray Water Tanks. Icon Technologies® HT176B-ED 43 gal. Center End Drain Waste Holding Tank with 3" Spigot and 4-Level Sensors (58"L x 28"W x 8-1/2"H) Icon Technologies® HT293-SD 28 gal. Left Side Drain Waste Holding Tank with 3" Spigot and 4-Level Sensors (63"L x 24"W x 7"H) Icon Technologies® HT192B-ED 39 gal.

  10. Gray Water Tank Upgrades

    The Casita's 32 gallon gray water tank is notorious for slow draining and leaving gallons of water trapped after dumping. Emptying can take up to 10 minutes, which is not fun at crowded dump stations. The tank can seem full before it is due to the vent design. LHC (Little House Customs) came up with a solution called the "Fast Gray Kit".

  11. RV Plumbing, Water Line Fittings and Repair

    An RV water heater will typically have a 6-gallon or 10-gallon tank which is plumbed in as part of your RV plumbing system. Cold water enters the tank at the bottom through tubing from the fresh water tank. This cold water then fills the tank, which in turn pressurizes the hot water system in your RV. Once the water heater tank is full, the ...

  12. Understanding your RV Holding Tanks

    The gray and black tanks are sloped to carry the waste water to the termination. This is important to know when leveling the RV. These holding tanks all have sensors and a wire harness, which are connected to the monitor panel inside the RV. The monitor panel reads the level of water inside the tank and is measured in thirds.

  13. Amazon.com: Rv Grey Water Tank

    HT-293 Side Discharge 32 Gallon RV Gray Water Holding Tank for Campers, Trailers, and RVs, 63-Inch x 24-Inch x 7.25-Inch. 5.0 out of 5 stars. 1. $305.87 $ 305. 87. FREE delivery. Usually ships within 2 to 3 days. ... Advance Cycle Parts; RV and Auto Parts; Availability. Include Out of Stock

  14. All About RV Plumbing: What you Need to Know About Parts and ...

    RV Plumbing Parts. The specific plumbing fittings in your rig will vary depending on your model's specific set-up and size, but many are the same kinds of plumbing parts you'd find in your household system. However, in an RV, the plumbing system is generally composed of PVC as opposed to metal, so make sure you purchase RV-specific parts if ...

  15. RV Water System Accessories and Upgrades

    The fresh water side includes your fresh water tank, 12v pump and city water inlet. These parts deliver water to all of your faucets and fixtures. There is a one-way valve built into the city water inlet and a one-way valve leading to the water pump. The waste water side includes your black and gray water tanks as well as all the drain piping.

  16. RV Plumbing Fitting and Replacement Parts

    Get all your RV plumbing fitting needs here today at RVpartscountry.com We have parts from all the top manufacturers so you are sure to find the Plumbing fitting to fix any issue. RV Parts Country ... We have Rv water pumps, lines, fresheners, tanks, and rv faucets for just about every rv application. Get all you need today from RVpartscountry.com.

  17. Leaking RV Grey Water Tank

    As I went to dump our grey water tank, I noticed a slow drip coming off of the pull handle...NEVER a good sign! Upon further investigation I found a crack in...

  18. Camco RV Sewer Drain Cap w/ Gray-Water Hose Connection

    You can drain your gray-water tank through the smaller passage. A lanyard ensures you won't lose the gray-water cap. 1-800-940-8924 to order Camco accessories and parts part number CAM39463 or order online at etrailer.com. Free expert support on all Camco products. Great prices and Fastest Shipping for Camco RV Sewer Drain Cap w/ Gray-Water ...

  19. RV Holding Tank Fittings & Parts

    Replace old tank fittings and parts with new and efficient parts to keep your tank working well for years to come. Make sure you check out our enormous selection of RV holding tank fittings and parts for any size or style to fit your holding tank today. We have all the parts in sizes and styles you need to work with your tank.

  20. Owner Support

    Light on weight, not substance, the Imagine XLS features floorplans starting at under 5,000-pounds. XLS pairs perfectly with even more of today's medium-duty trucks and SUVs, without the compromise that other manufacturers feel forced to make in pursuit of lighter weight. MSRP Starting at. $40,188. Starting Length.

  21. Cleaning Your RV Gray Water Tank in 5 Easy Steps

    1. Flush Valve. Flush valves allow you to rinse your gray water tank and flush out your sewer hose in order to break up clogs and clean your tank sensors. Connect a garden hose to the barrel (see image), then choose either the "tank" setting or the "hose" setting to direct the flow of water where you need it.

  22. Winnebago Parts

    Research Genuine Winnebago Parts for your RV. Since 1958, Winnebago has been building the finest quality RVs in the industry. Our comprehensive 3D parts catalog can help you research the right parts. Looking for parts for your Winnebago motorhome? We have a variety of OEM parts for models old and new available through our online parts catalog.

  23. RV Water Inlets Accessories and Parts

    RV Water Inlets. Inlet Cap. Gravity Fill Inlet. Black. JR Products. Replace your worn-out or leaky gravity fill spout with this plastic spout that includes a UV- and impact-resistant plastic cap to keep dirt and debris out of your system. Tethered strap is included. Hooks up to 1-1/4" or 1-3/8" water lines.