Possible reasons are: 1. If this problem has not occurred before and it occurs suddenly, it is a sensor failure; 2. The water supply and return pipes are unreasonably connected in series and parallel with other waterways, and there may be water cascade; 3. If newly installed for water heaters, the sensor's full water level test point may be higher than the return pipe. Whatever the reason, you should contact the merchant for repair as soon as possible.
Why do solar water heaters often blow water out of the return pipe?
Introduction Possible reasons why solar water heaters often return water from the return pipe are: 1. If this problem has not occurred before, it occurred suddenly due to sensor failure. 2. The water supply and return pipe;