Welcome to the RV Life: Mysteries of Operation
When we first purchased a small travel trailer, (two trailers ago) the whole operation thing was much a mystery.  A few years later, I've sort of worked through the process and feel like I understand most of the essentials, though I'm certainly not as savvy as many RV owners.  But there is quite a learning curve to getting up and going.   First, I like to compare the RV to a house. You have these various systems:  water supply, sewer, electrical, gas (propane), etc.  They work much the same as a house.  They all have connections somewhere on the outside of the rv, and you have to first learn where each one is located on the outside.   Water comes in: (fresh water or city water hose hookup), goes to the water heater and hot water system, and cold water piping system.  In addition, there is a water holding tank that holds water for use when you are not hooked up to a city water system, which has an electric pump that you turn on that cause...