The HC660 HydroClean® toilet fill valve solves the two biggest reasons for water loss in toilets; miscalibration and leaks. 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 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
• Calibrates to adjust the exact amount of water needed to help save on water usage
• Mini-valve to control amount of water going back into the bowl
• Sounds an audible alert when a leak is detected
• Jets clean tank and parts with every flush
• Cleans tank by removing rust and sediment
• Shuts-off water inside tank making repairs a snap
• Shut-off feature at the top of the valve quickly shuts off valve if tank is overflowing
• Refills quickly height adjusts from 11 to 13.8 in
• Smart Nut™ helps with easy installation without tools in most standard toilets