I just bought an rv, that was in the final stages of remodel. The only thing left to do is replace the fresh water tank and pump and then build a bench seat around it. I don’t have amy idea on how to do this. Is there any special things I need to do or can I just hook up the tank and pump to the water line and I’m good?I have already got a 20 gallon tank, but with no hoses. Help……..