Installed new Kohler Cimarron comfort height toilet with elongated bowl for customer in Parker. Removed existing toilet which had developed hairline crack in tank causing intermittent leaking. Inspected flange and subfloor - both in excellent condition. Installed new wax ring with plastic sleeve for optimal seal. Applied silicone caulk to base per code requirements, leaving rear portion uncaulked to allow visible evidence of any future leaks. Connected water supply with new braided stainless steel line and quarter-turn shutoff valve as existing valve was corroded. Adjusted fill valve and flapper for optimal water conservation while maintaining adequate flush power. Entire installation completed in 1.5 hours with thorough cleanup of work area. All packaging materials removed from premises. Conducted multiple test flushes to verify proper operation and absence of leaks. Customer was instructed on proper use and maintenance procedures. Unit carries 5-year manufacturer warranty plus our st