Originally Posted by Tango
Several of the folks I know who live with tankless water heaters always capture whatever cool water comes out and use it for other things. One even pours it back into his tank.
As I've combed through forums, this seems to be the general solution to the problem. A few posters have briefly discussed recirculating water but never to the point of describing the system or mentioning specific equipment. I suppose for those only spending a few weeks a year in their RV, catching the cool water for other purposes is just fine. For full-timing, I would think a recirc system would be desirable.