Maximum 1,000 gram MaP Score Elongated floor mount flushometer bowl, top spud, less seat 16-1/2" (419 mm) rim height for accessible application Static weight load of 2,500 lbs (1,134 kg) Permanent EverClean surface maintains the cleanliness of the surface Touchless piston-operated flush valve 8-year CR-P2 lithium battery installed in valve Exclusive DynaClean self-cleaning wiper spring technology Integral wiper spring cleans refill orifice with every flush to help prevent valve run-on Fully mechanical manual override can operate without power