Every RV needs at least one fresh water hose but I think you should have more. Here’s why. For many fresh water hookups in parks and campgrounds you will need less than 10 feet of hose to reach the water faucet. But if you travel much you will eventually stay in places where you will need a longer length.
We carry a four, ten and twenty-five foot hose for fresh water hookup. Using these hoses in different combinations makes the right length for most any situation. Having just the right length means no extra hose to coil or have snaking all over the place. The 4ft hose also serves as the RV fresh water tank fill hose at most water fill stations. – by Steven Fletcher