This keeps your potable water hose and entire water system free from both bacteria and hard water mineral deposits. Fresh Water Fill — This port fills your fresh water tank and then a pump in your RV pushes water from the tank to your fixtures. The RV city water inlet on the outside of the RV makes it possible to hook up to an outside source, such as a campground or residential faucet using a hose, and have pressurized water running on the inside. Stock Gravity Water Fill Made of durable plastic for long life. Many dump stations also have water that is only for cleaning and flushing your sewer hose and tanks. How often you need to head to town to refill depends on how many people use the system for drinking and hygiene.
It's common to find water pressure at campgrounds higher than recommended for camper water lines.
RV Water Hookup – Read this first
Some 5 th wheels and travel trailers have filters built-in. Attach the hose to the unit directly or you can use an elbow connector to make it easier to get connected and disconnected to the RV city water inlet. Many dump stations also have water that is only for cleaning and flushing your sewer hose and tanks.