Sanitizing your water system with chemicals is costly, time consuming, and is corrosive on your pipes. What if it didn’t have to be that way? The Under Sink Guardian® that has been providing you with scald protection just got an upgrade. The new and improved LFUSG-HWP features a hot water purge lever, allowing for fast and simple sanitization at the flip of a switch. Now you can enjoy a fast and easy method for sanitizing your system without the added risk of damaging your pipes.