I’d encourage any RV owner that currently has the older style Anderson 4 way valve to upgrade to the new style 3 way valve..the assy is much better since it is all brass construction..
The original 4 way valve uses a plastic valve body that by now has aged and gotten brittle.. Also the replacement cartridge valve assy is no longer made by Anderson and is almost impossible to find on the inner web...
Pics of old style and new style units... this is a very easy upgrade for anyone with basic skills
I ordered m8ne back in late Dec and received yesterday.. will have to wait till spring to install due to weather in Idaho
Link for best price and they now have these in stock
https://www.abcorv.com/