| Modern RV's have internal water tanks and | | | | facilities exceeds 80 pounds per square inch or |
| pumping systems, but these are incompatible with | | | | more, sometimes much more, in certain situations. |
| city water supplies as these run at a high | | | | This high pressure can and does cause leaks to |
| pressure. | | | | develop where none had come before and |
| Modern RVs are equipped with pressure demand | | | | chances are god that's when you are either out |
| type automatic pumps, polyethylene fresh water | | | | to dinner or it's 3 in the morning. A simple device |
| storage tanks, and polybutylene water lines. | | | | is available and necessary for your peace of mind. |
| These systems are designed to be operated at a | | | | A water pressure regulator should be used |
| certain maximum water pressure level in the | | | | whenever connecting to an outside water supply |
| neighborhood of 35 to 45 pounds per square inch. | | | | source. This device controls the incoming water |
| The on-board pump has a built in pressure switch | | | | pressure to supply a continuous and regulated 45 |
| that shuts off the power to the pump when this | | | | PSI maximum. It is connected at the supply end |
| pressure has been reached. | | | | of the hose to protect the hose and the RV at |
| However, there is a city water connection to | | | | the same time. You can find it at your local RV |
| supply water at home or at the RV park via a | | | | supply store. |
| hose connection. Often, the pressure at these | | | | |