
KOHLER K-3519-RA Highline Two-piece elongated toilet, 1.0 gpf, Right-Hand Trip Lever
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The Kohler Highline Pressure Lite is a two-piece, floor-mount toilet with an elongated bowl and a pressure-assisted flush rated at 1.0 gpf. It uses a Sloan FLUSHMATE pressure vessel instead of a gravity tank, which gives a forceful flush and cuts water use well below standard 1.6 gpf models. The Comfort Height bowl sits at chair height, and the toilet is WaterSense certified and ADA compliant. It suits buyers chasing water savings, rebates or LEED credits, and commercial settings; the trade-off is that pressure-assisted toilets need at least 35 psi static pressure and are louder than gravity models.
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Owners of Kohler pressure-assisted toilets generally report strong, reliable flushes and real water savings, and the Comfort Height bowl draws praise from older and taller users. Complaints center on noise and on weak flushing when household water pressure is low.
The Kohler K-3519-RA Highline is a two-piece, floor-mount toilet with an elongated bowl and a right-hand trip lever. It is a Pressure Lite model that uses a 1.0 gpf (3.8 lpf) flush and is equipped with a Sloan FLUSHMATE pressure-assist system. The 1.0-gallon flush uses more than 30% less water than a 1.6-gallon toilet, a savings of more than 5,000 gallons per toilet, per year.
The bowl is made of vitreous china and has a 2-1/4" (57 mm) fully glazed trapway. The elongated shape adds room and comfort. The Comfort Height design gives chair-height seating, which makes sitting down and standing up easier for most adults. The trip lever is polished chrome.
The toilet is WaterSense certified, ADA compliant and suitable for commercial use. It qualifies for water rebate programs and contributes to LEED credits.




















