John, the plumber was called out to the customers home today because customers experiencing an issue in the master bathroom toilet. The toilet was installed a little over a month ago and customers complaining that it is constantly running. After a brief inspection, technician didn’t notice anything that could be causing the issue. All the parts in the toilet are brand new. Technician decided to replace the flush valve gasket. Technician informed customer that if the noise continues then the next step would be a tank rebuild on the toilet.