Pick the page that matches what your heater is doing, or just call and describe it. Each page explains common causes in plain language and what to tell the pro.
No hot water, a leak, or a unit that keeps shutting off. Call to get connected with a local pro.
Learn more →Lukewarm water, low flow, or a heater that works one day and not the next.
Learn more →A code on the display tells the pro where to start. Write it down and call.
Learn more →Flushing, descaling, and filter checks that help a tankless unit keep running well.
Learn more →