EPAct Requirements 1.6 Sloan Performance 1.1(short) 1.6(long) Sloan Savings 21% ECOS Electronic Dual Flush 8111 ECOS Electronic Dual Flush 8113 ECOS Electronic Dual Flush 8115 ECOS Electronic Dual Flush 8116 ECOS Electronic Dual Flush 8137   ECOS Electronic Dual Flush RESS-C ECOS Electronic Dual Flush RESS-XD-C ECOS Electronic Dual Flush RESS-XDT-C