Welcome to IRV2! It's great to have you join the gang here!
I would think that problem would be easily fixed IF it hasn't been leaking, but I would seek the advice of a qualified RV tech before buying.
BTW, you will get much better results if you post questions over in the specific area of the forum. Not many folks hang out here in the Welcome area. Enjoy the forum!
Good luck, happy trails, and God bless!