parts designed to restore proper function to the Toto THU456RA flush valve tower used in 2piece toilets. If your toilet is running, leaking, or not flushing fully, replacing the worn tower components returns reliable performance without replacing the entire tank assembly. Key benefits Restores reliable flush performance and proper seal to stop leaks and phantom running. Fits the Toto THU456RA flush valve tower used in 2piece (tankandbowl) toilet configurations, ensuring correct alignment and operation. Saves time and money by repairing the existing valve tower instead of replacing the whole toilet or tank assembly. Simple replacement helps prevent water waste and reduces the need for repeat service calls. What this part does Replaces worn or damaged tower components in the THU456RA flush valve assembly so the flush mechanism opens and closes correctly and the tank refills as intended. Helps reestablish a watertight seal between tank and valve to eliminate continuous running or intermittent leaks. Key attributes Compatibility: Designed for the Toto THU456RA flush valve tower for 2piece toilets. Functionality: parts for the flush valve tower to restore seal, movement, and water flow control. Fit: Engineered to match the THU456RA tower form factor and mounting points for straightforward replacement. Performance: Restores original flush action and helps maintain efficient water use when installed correctly. Use cases Home maintenance: worn tower components when a residential Toto 2piece toilet begins to run continuously or has weak/partial flushes. Landlord/Property upkeep: Quick onsite for multiunit properties to restore toilet function without costly tank replacement and to reduce water loss. Pre or renovation prep: Refresh the flush valve tower components before showing or selling a home to ensure reliable operation and present a wellmaintained bathroom fixture. Installation notes Designed to be swapped into the THU456RA valve tower location; basic plumbing skills recommended. Turn off water supply and follow manufacturer instructions for safe removal and installation. If unsure about diagnosis or install, consult a licensed plumber or Toto service technician. If your Toto 2piece toilet with a THU456RA flush valve tower is showing signs of wear, these parts provide a focused, costeffective way to restore function and stop water issues quickly.