This is awful. I have hot water in every part of my house, and the water will not even get warm. I actually attempted to fill my tub with hot water from my kohler sink - it works fine - and dump it into the tub. Do not buy this. Regardless if you set the valve to hot, you will never get hot water from it. We got a huge commercial grade hot water tank, a recalculating pump so that I could fill a 5k tub that  cannot use. Beyond unhappy.