Is it the same as a regular water hose connectioin? If so, you need a fresh water hose. Camco makes them and can be bought at Walmart, etc. Also, you might need a pressure reducer and a filter. I have been down this road after going from tent camping, to PUP, now to a TT.
2009 Palomino Puma 25RS
2007 Chevrolet Silverado
Prodigy P2 Brake Controller
Days camped in 2014: Less than 15, bad camping year!