This may not be the correct place for this idea but I thought it was something thatCrossroad may want to incorporate.We were talking to a couple that owned a brand x about the same size as our sk 33 but to fill the fresh water tankyou hooked the hose to the city water, after filling the water heater and etc. you turned or pulled a lever for fresh tank fill.
I was standing close to the unit but did not look at5er aswere on a Walmart parking lot.
The man told meyou hooked the water hose to the city water supply and with that hook up you could direct the water to to fresh water tank did not require a fill hole hole on the outside of the unit like ours.It seed like a good idea don't know.
I seen this when we were out the last time. I had one jug of fresh water left that we had not opened. I asked the unit next to us if he wanted it cause we were leaving. My jug had a long spout on it for pouring, but he stuck a siphon hose in it and sucked it out directly into his fresh water tank.
My last rig had both an inlet to stick the hose in to fill the fresh water tank and a valve that was piped into thecity fresh water line.When I was hooked up tocity water I could just turn a valve and it would direct water into the fresh water tank. Or when no city water was available you filled the tank through the tank inlet just like we have to do on our Cruiser.
Your last rig had a nice feature. Especially if you are camping in a hot area like Texas, where they occassionally shut off the water eventhough you have full hookups if only for a short time. Your fresh water in a few days will go bad and you have to drain it after several days and replace it with new in case they shut off the water.
I keep mine as long as 3 months,but I always bleach it at beganing of the year and add water fresh (which has bleach) everytime I refill it. We don't drink the water from the tank anyway,but I feel its still good.I know some people drain theirs, but I'm sure if you don't work at it you leave some water in the tank.Just opening the drain will not M/T the tank.