Originally Posted by JayArras
If you enter "KW1" in the search box, you will find lots of discussion on this. In my unit, it's so hard to access that I totally removed it and now use a Campco inline filter on the hose.
In my TT it's hard to access too but then again, I like how the OE setup works and I only have to change once per year. On last change it took longer to remove and replace the screws on the "third hinge" to access the filter assembly than it did to actually change the cartridge.
A 9x9 cake pan, hand towel, and wrench supplied with trailer handled the job easily. Well, yes, I did have to bend down too
I buy my replacement KW-1 filters from Hanna RV and when I buy 2 or more they aren't a lot more than the external inline filters.
Water from my tank, passing through the KW-1 filter, tastes just like water from a bottle.