I have a history of overly complicated plumbing at our former homestead, and having an RV hasn’t prevented that hobby. But always for good reasons.

To make hooking up our fresh water supply components easier, I have added some hose quick connectors, that clip together very easily:

The first of these is at the tap, in case I want to disconnect due to sub-freezing temperatures. Following that connector is a two-way splitter, with a hose on one side, and a pressure gauge on the other:

This gauge is useful so I can see the pressure of the water supply (which I note in my campground reviews); the black needle indicates the current pressure, and the red needle indicates the maximum pressure:

Here they are at another campsite, with a frost-free tap (lowering the handle not only shuts off the water, but also drains the water out of the vertical pipe, so it doesn’t freeze and burst):

At the other end of that hose is a second splitter, with one side going to a flexible cleanout hose, and the other going to a pressure regulator (set to a maximum of 60 PSI, though not approaching that at this campground), another quick connector, and the water filters:

On the other side of the filters is another quick connector (so I can disconnect and put it away on travel days), and another gauge, to check the output water pressure (not very high at this campground):

Here are a couple of pictures showing both sides of the filters (the orange hose in the background is the “stinky slinky”, i.e. sewer hose, on a ramp for proper drainage):

The other end of the aforementioned cleanout hose has a built-in valve, and I added a quick connector:

That connector has a mate and a valve on the black tank flush port; this port is used to rinse out the black (toilet) tank:

Here is the hose connected and both valves turned on:

When I’m done, I can simply turn off these two valves (and the one back at the splitter), and easily disconnect, without any mess:

Nice improvements.