It easily calibrates to adjust the exact amount of water needed in the tank, refills quickly and jets clean the tank. A unique feature is the leak detection and signals when a leak is found.  It is designed to fit most standard toilets and the height can be adjusted from 11 in. to 13.8 in. The HC660 installs easily without tools.

• WATER-SAVING toilet fill valve with built-in mini-valve that adjusts tank refill water level
• DETECTS LEAKS: The water-saving toilet fill valve sounds an audible alert when a leak is detected making you aware of any potential issues that must be addressed
• CLEANING JETS: Strong jets stir up debris in toilet tank in order rush any dirt down the drain with every flush keeping your toilet tank cleaner
• EASY ADJUSTMENTS: Shuts off water inside tank making repairs a snap, refills quickly, and has an adjustable height of 11 inches to 13.8 inches
• EASY INSTALLATION: Smart Nut helps with easy installation without tools in most standard toilets