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RV Shower Draining Slow: Causes, Solutions, and Prevention

Having a fully functional and efficient shower is an essential aspect of any RV owner’s life.

However, encountering the issue of a slow-draining shower can be frustrating and inconvenient.

In this article, we will explore the causes behind an RV shower draining slow and provide you with effective solutions and prevention methods.

So, if you’re tired of dealing with a sluggish RV shower, keep reading!

RV Shower Draining Slow: Understanding the Problem

What causes an RV shower to drain slow?

There are several factors that can contribute to a slow-draining RV shower.

Let’s take a closer look at each one:

  1. Clogged Drain: Over time, debris, hair, and soap scum can accumulate in the drain, causing a blockage and restricting water flow.
  2. Faulty Plumbing: Damaged or improperly installed plumbing pipes can hinder the flow of water, leading to slow drainage.
  3. Low Water Pressure: Insufficient water pressure can impede the shower’s ability to drain quickly, resulting in a slow-draining shower.
  4. Hard Water Deposits: Hard water contains minerals that can accumulate inside the plumbing system, causing blockages and reducing drainage efficiency.

Why is it important to address the issue promptly?

Dealing with a slow-draining RV shower may seem like a minor inconvenience, but it’s crucial to address the problem promptly.

Ignoring a slow-draining shower can lead to various issues, including:

  • Mold and Mildew: Standing water in the shower can create a breeding ground for mold and mildew, posing health risks and causing unpleasant odors.
  • Water Damage: If the water doesn’t drain properly, it can overflow and damage the surrounding areas, such as the bathroom floor or adjacent cabinets.
  • Reduced Showering Experience: A slow-draining shower can turn a refreshing experience into a frustrating one. It can also waste your precious time, as you have to wait for the water to drain completely before exiting the shower.

Now that we understand the importance of addressing a slow-draining RV shower, let’s explore some effective solutions.

Solutions for a Slow-Draining RV Shower

1. Clearing the Drain

If your RV shower is draining slowly due to a clogged drain, you can try the following steps to clear the blockage:

  1. Remove the Drain Cover: Begin by removing the drain cover to gain access to the clog.
  2. Use a Plunger: Place a plunger over the drain and create a tight seal. Push and pull the plunger vigorously to dislodge the clog.
  3. Use a Drain Snake: If the plunger doesn’t work, consider using a drain snake. Insert it into the drain and rotate it to break up and remove the clog.
  4. Flush with Hot Water: After clearing the clog, flush the drain with hot water to remove any remaining debris and ensure proper drainage.

2. Check the Plumbing System

If the slow-draining issue persists even after clearing the drain, it’s important to inspect the plumbing system for any underlying problems.

Consider the following steps:

  1. Inspect the Pipes: Examine the pipes for any signs of damage, such as leaks or cracks. If you notice any issues, it’s best to consult a professional plumber to address them.
  2. Ensure Proper Ventilation: Improper ventilation in the plumbing system can cause water to drain slowly. Check if the vent pipes are clear of obstructions and functioning correctly.

3. Address Low Water Pressure

Low water pressure can contribute to a slow-draining RV shower.

To tackle this issue, try the following solutions:

  1. Clean or Replace Showerheads: Mineral deposits can build up in showerheads, affecting water flow. Clean the showerhead using vinegar or consider replacing it if necessary.
  2. Check the Water Pressure Regulator: Ensure that the water pressure regulator in your RV is set at an appropriate level. Consult your RV’s manual for instructions on adjusting the regulator.
  3. Consult a Professional: If the water pressure issue persists, it’s advisable to consult a professional RV technician to diagnose and resolve the problem.

4. Preventative Measures

Preventing a slow-draining RV shower is often more convenient than dealing with the issue after it arises.

Here are some preventative measures to keep in mind:

  1. Use Drain Covers: Install drain covers to catch hair and other debris before they enter the drain, reducing the risk of clogs.
  2. Regular Cleaning: Regularly clean the drain and shower area to prevent the accumulation of soap scum and other substances that can obstruct drainage.
  3. Avoid Excessive Water Usage: Be mindful of the water usage in your RV. Excessive water flow can overwhelm the drainage system and lead to slow drainage.
  4. Water Softeners: Consider installing a water softener in your RV to minimize the buildup of hard water deposits that can clog pipes and impede drainage.

FAQs about RV Shower Draining Slow

Can using chemical drain cleaners solve the problem of a slow-draining RV shower?

While chemical drain cleaners may provide temporary relief, they can also damage your plumbing system over time. It’s best to opt for non-chemical methods like plunging or using a drain snake.

How often should I clean my RV shower drain?

It’s advisable to clean your RV shower drain at least once every month to prevent the accumulation of debris and maintain efficient drainage.

Are there any natural remedies for clearing a clogged RV shower drain?

Yes, there are several natural remedies you can try. Pouring a mixture of baking soda and vinegar down the drain can help break up clogs. Follow it up with hot water to flush out the debris.

What should I do if none of the solutions mentioned in the article work?

If you’ve exhausted all the solutions and your RV shower continues to drain slowly, it’s advisable to seek assistance from a professional plumber or RV technician.

Can a slow-draining RV shower be a sign of more significant plumbing issues?

Yes, a slow-draining shower can indicate underlying plumbing problems, such as damaged pipes or a malfunctioning plumbing system. It’s essential to address the issue promptly to avoid further complications.

Can hard water cause a slow-draining RV shower?

Yes, hard water can lead to the buildup of mineral deposits in the plumbing system, resulting in clogs and slow drainage. Installing a water softener can help alleviate this issue.


Dealing with a slow-draining RV shower can be frustrating, but with the right solutions and preventative measures, you can restore efficient drainage and enjoy a refreshing shower experience.

Remember to clear any clogs, inspect the plumbing system, address low water pressure, and take preventative actions to avoid future issues.

By taking these steps, you’ll ensure that your RV shower drains properly, eliminating the inconvenience and potential problems associated with a slow-draining shower.