Tank only configuration - allows the opportunity to match pieces with a selected bowl
Covered under Kohler’s one-year limited warranty
Constructed of vitreous china for a classic look and an easy to clean surface
Pressure Lite flush technology for exceptional bulk flushing
ADA compliant - complies with the standards for toilets set forth by the Americans with Disabilities Act
Insulated tank - prevents condensation from forming on the outside of the toilet tank and ending up on the floor
Flow Rate: 1.6 GPF (gallons per flush)
Tank Width: 21-1/4" (measured from leftmost to rightmost edge of tank)
Tank Length: 12" (measured from back edge to front edge of tank)
Gracious living is characterized by qualities of charm, good taste, generosity of spirit, and the enhancement of nature. It is Kohler's mission that you improve your sense of gracious living with every experience you have with a Kohler product or service. Kohler lives on the leading edge of design and technology, while maintaining a constant level of quality, regardless of price. It sets the standard of excellence in its field, and yet is constantly striving to improve. From sustainable products in the kitchen and bath to power systems that protect data centers and urban landscapes all over the world - this is what the Kohler company is all about.
This product is listed under the following manufacturer number(s):
Kohler K-4645-47 Almond
Kohler K-4645-96 Biscuit
Kohler K-4645-7 Black Black
Kohler K-4645-95 Ice Grey
Kohler K-4645-55* Innocent Blush
Kohler K-4645-33* Mexican Sand
Kohler K-4645-52* Navy
Kohler K-4645-G9 Sandbar
Kohler K-4645-71* Seafoam Green
Kohler K-4645-6* Skylight
Kohler K-4645-58* Thunder Grey
Kohler K-4645-97* Timberline
Kohler K-4645-0 White
Kohler K-4645-45* Wild Rose
*Denotes a finish or option that has been discontinued
Kohler K-4645-47 Product Specifications
Approved for Commercial Use
Country Of Origin
Gallons Per Flush
Made in America
1 Year Limited
Trip Lever Placement
Installation Resource Center
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Kohler K-4645 Reviews
Rated 5 out of
Great FLUSH!!This is perfect for homes with teenagers! Flush and away it goes!
Date published: 2010-05-24
Rated 5 out of
Great toilet systemEasy install, no problems at all. GREAT flush, never a clog
Date published: 2012-08-31
Rated 4 out of
Very good toiletTank along w/bowl works great - replaced an old low toilet that I was unable to get up off of w/o leaning across to reach shower handrail on wall opposite from toilet. Now able to get up easily. Excellent flushing solids and liquids where old toilet took several flushings. Tank back is several inches away from wall & shakes when toilet is flushed, but I believe that is because of where the floor opening to the sewer is & the bowl has to be over that. I live in an independent senior living facility in a building built in the 1970's, so that can't be changed.
Date published: 2013-05-07
Rated 5 out of
Better with AgeMy landlord bought two of these toilets two years ago and they were great. Now I have my own house, I bought three of them, and they work better now than 2 years ago - better as in just as effective but quieter.
The tank uses water pressure, not gravity to flush. After flushing, water pressure fills up a sealed bladder, compressing the air in the bladder until the air pressure matches the water pressure. When you flush, the pressurized water shoots out the bottom, sucking the bowl contents down the drain using eduction. If a bowling ball could fit down the drain, this toilet would flush it.
Pros: Will flush anything you put in the bowl.
Cons: Since it is a mechanical device, it vibrates and the tank bolt nuts will work loose. Use blue Lok-tite to ensure the nuts stay tights, otherwise you will blow tank water out the side of the toilet every time you flush.
Date published: 2013-06-18
Rated 5 out of
Highly RecommendExcellent product, high quality, and built to last. We are having our house completely renovated and we just had two of these toilets installed about a month ago. We are very impressed with how well they function. In fact, friends and family members have inquired about where we purchased them.
Date published: 2013-07-30
Rated 5 out of
Flushed with successThis toilet is awesome! It really flushes "everything" away with the strength of a hurricane west wind! No kidding, I used to always plug up the toilet but have only done it once with this one. If you buy this you can almost throw away your plunger! Oh yeah!!!
Date published: 2014-06-23
do you get the trip lever with this toilet tank?
A. The Kohler K-4645 does come with a polished chrome trip lever assembly.
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