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RV Water Filters: What You Need to Know Before You Buy

Understanding RV water filtration is crucial if you have an RV that has its own water system.

The water piped directly from campgrounds into your RV’s shower and taps can smell foul and contain contaminants. Although it may not cause you to get sick, this water can make your RV’s water system unpleasant and reduce the enjoyment of your trip. Water filtration is the solution.

What is RV Water Filtration?


RV Water Filters: What You Need to Know Before You Buy
RV Water Filters: What You Need to Know Before You Buy

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  1. RV Water Filters: What You Need to Know Before You Buy

    What to Know About RV Water Filters

As household water filtration does, RV water filter removes chemicals, odors, and unwanted sediment from your water supply before it reaches your taps. You can use any of the many filter types to accomplish this. A simple filter is available for some RVs that have water systems. These filters are not as efficient as after-market filters. These are your options.

Inline Filter – The most basic. These filters attach to the hose that leads to your RV’s tank and filter all water entering it. These filters are not the best for RVers, so they’re recommended only for occasional RVers.

Reverse Osmosis filter: These filters filter all water in an RV (not drinking water), and provide cleaner results than other types. These filters offer the best combination in terms of chemical, odor, and sediment removal. However, they are also the most costly.

Standard Canister Filter: This RV water filter filters incoming water through one or several canisters that are designed to trap and hold contaminants and sediment. It can be used with multiple types of internal filters cartridges. This is an advantage. These filters are not without fault. However, RVers complain that they can slow down flow rates.

Jumbo Canisters Filter – These filters include all the same features as standard canister filters but offer a higher flow rate. Because of their larger internal filter cartridges’ greater surface area and smaller size, they don’t require replacement as often. For serious trekkers, jumbo canister filters will be more suitable than standard canister filters.

What are Pressure Regulators?

No matter what filter you choose, you should make sure that you have a water pressure regulator. These devices are designed to maintain water pressure at a specified PSI level (pounds/square inch) and keep your RV’s water lines safe.

Although RV water systems can handle pressures up to 100 PSI, they are not designed to be used for connecting to city water. Pressure regulators are a great solution. Pressure regulators are designed to intercept water entering your RV and maintain it at a safe, functional pressure (usually 60-85 PSI). This will prevent your RV’s pipes bursting.

Water filter maintenance

Regular service and inspection of RV filters is required. The exact time depends on the situation of your RV, such as filter type, water consumption, purity, and travel habits.

It’s better to replace them early than later if in doubt. You should always have replacement filters and cartridges available. Also, inspect your filter at the least once per week during heavy RV use. It’s safer and more effective to replace a dirty cartridge.

No matter what filter you use, a shut-off valve installed on the main water intake line will make water system maintenance much easier. This will allow you to stop water flow when you need to change the filter or any other component of your system. You should also install a bypass system so that you can still use unfiltered water in the event your filter fails and you don’t have a replacement.

It is also useful for winterizing your RV because it prevents water from leaking into the pipes and allows you to drain any existing water. After you have empty all of the pipes, open your RV’s water filter and empty it.