This is my second insinkerator instant hot water heater. The first one was installed in about 1993 and lasted about four years. During the interim I used my K-cup coffee maker for rapid hot water, but didn't like the amount of time it took to warm up. Hence, I got my second instant hot. It works as expected, and, since I am a senior citizen, I hope it lasts as long as I do, or vice versa.