RV Toilet Leaking at Foot Pedal

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RV toilets aren’t indestructible! They’re produced and assembled with a bunch of moving parts, valves, washers, flanges, and more. With enough time or use, some parts from even the best toilet will show signs of wear eventually. It’s a good idea to give them the once over now and again looking for problems before they develop.

One of the most used parts of any RV toilet is the foot pedal. It takes the weight of the foot and delivers the required motion when being activated. As a result, it can sometimes wear down or wear out, and that can contribute to a water leak issue.

Is your RV toilet leaking at the foot pedal? As RV toilet leaks go, it’s one of the most common ones to happen. Usually, it’s either because of a residue surrounding the pedal area or because the intake valve has become damaged. Certainly, the residue will break away with enough toilet flushes to come, but the intake value won’t fix itself. It will need replacing. But the good news is that it can be done by hand.

Let’s now look at how to resolve the leaking below the foot pedal and whether there could be other root causes at play too.

Why Does an RV Toilet Foot Pedal Leak?

When it comes to water pooling on the floor near the RV toilet’s foot pedal, the most common causes are either a build-up of residue that usually shifts after a few flushes, or the intake valve has malfunctioned or broken.

The residue or sediment only builds up with a lack of use of RV toilets – for instance, if the RV is only occasionally used for short vacations and otherwise sits in the driveway.

With the intake valve, it can become broken or damaged due to several possible causes. These are as follows:

Metal rust – RV toilets are mostly produced using either rubber or polymer, but the occasional part is still made from metal. The original intake value is often metal and so can rust with water exposure. A secondary toilet issue could have subjected the valve to additional moisture that accelerated the onset of rust too. To avoid rust in the future, use a lubricant that’s sprayed on the valve.

Wear and tear – It doesn’t matter what part of the RV it is, it will experience the bumpy road, moisture effects, and a host of other issues. So, wear and tear is definitely a factor. Just going over a country road with vibrations shaking the entire RV won’t do anything much good!

Winter or colder temperatures – The cold or extreme temperatures down to freezing or below can cause an intake valve to freeze and break. The colder temperatures may cause parts to become fragile and develop cracks as a result. Or when ice has formed either inside or surrounding it, when it thaws out, it can create pressure that causes a crack too. Failing to use RV antifreeze in the winter can easily play havoc with your RV toilet’s intake valve (and other components too).

Also Read: How to Protect RV Skylights from Hail?

What to Do If Your Camper Toilet is Leaking

When your camper toilet is leaking at the pedal, it’s not something that can just be left. It won’t fix itself if given enough time. Unless you’ve left the camper or motorhome a few weeks or months without use, then it’s not a residue problem but more than likely a bad valve. With the RV toilet leaking at the flush pedal, here are some initial suggestions:

Try Some Lubricant on the Intake Value

While you can add a lubricant to the valve to free it up, if it’s become stuck and won’t open or close properly, that’s not likely to be due to a lack of lubricant. There’s nothing to stop you from using an appropriate lubricant and giving it a try first, but if that doesn’t change anything, then probably the RV toilet’s valve has gone bad.

Read Also: How to Stay Warm in a Camper Shell

Repairing the Valve Isn’t Usually Worth the Bother

They’re sufficiently inexpensive to replace and fit that it’s not worth calling out a plumber to attempt to fix it.

Also, it isn’t worth trying to remove it and open it up to see if you can do it yourself even if you’re great at DIY. Most people won’t own the right tools for the job or if away at the time with the RV or camper, then it’s just bad timing.


Also Read: Can You Flush a Tampon Down a Camper Toilet?

RV Toilet Foot Pedal Repair

Where you’ve confirmed that the pedal itself is undamaged and there are no other obvious issues, then most likely the valve’s broken. A valve replacement will be necessary to resolve an RV toilet with a foot pedal leak. And if any of the three causes mentioned above seem to ring true to you, then that’s even more confirmation.

Here are three suggestions tailored to popular RV toilet brands and various models:

Dometic Valve Kit for a Dometic 300 or 310 RV Toilet

If you own a Dometic 300 or Dometic 310 RV toilet, then you’ll need a valve kit designed to fit either of these two models (the valves are interchangeable).

There is a Domestic valve replacement kit. It’s not always in stock, so we’re also showing an alternative produced by another company that will fit these Domestic toilets too.

Dometic 385311641 Water Valve Kit for 300 and 310-Series Toilets

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Read Also: Should I Run a Dehumidifier in My RV?

Beech Lane Valve Kit for a Dometic 300, 310, or 310 RV Toilet

The Beech Lane valve kit will fit the Dometic 300, 310, and 320 Series. It’s often available when the official Dometic version is not. We include this here because when your toilet is leaking, it’s not something that typically can wait until the product is back in stock Therefore, it’s good to have alternatives too.

Beech Lane Upgraded Water Valve Kit 385311641 for Dometic Toilets 300, 310, and 320

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Valve Kit for the Thetford Aqua Magic IV RV Toilet

There is also both a Thetford official valve kit and a Beech Lane one too.

The valve kits do vary depending on the type of Thetford RV toilet that you might own. So, you need to match either the respective Thetford or Beech Lane valve kits to the correct Thetford toilet model that requires a replacement valve.

The value kit below is for the Thetford Aqua Magic IV model, but there are others.

Beech Lane Upgraded Toilet Water Valve Kit for Thetford Aqua Magic IV Toilets

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Also Read: Showering in an RV

How to Better Maintain Your RV Toilet

Here are some quick reminders on how to take better care of your RV toilet.

  1. Use it regularly to avoid any residue build-up near the valve or associated components. This can help to prevent some of the common issues.
  2. Add lubricant to the valve and other necessary toilet parts (and others in the bathroom, where appropriate) as a once-a-month maintenance activity. Doing this avoids many different bathroom issues from cropping up.
  3. Ensure that you add RV antifreeze to all the lines, the toilet, and even the toilet sprayer to avoid them seizing up during the winter and becoming unusable after the thawing process has been completed. It prevents many toilet-related issues.

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