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Kohler questions & answers

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My toilet tank is broken and the replacement I bought does not fit. The mounting holes in my toilet base are arranged in a triangle with two front holes 5 1/4 inches apart and the third hole centered in the back, 4 1/4 inches from the front holes. Who manufactures a Kohler or compatible tank with these specific mounting bolt dimensions?

2026-08-13 1 answer

The specific three-bolt triangular mounting pattern you described (5 1/4" between the front holes and 4 1/4" to the rear hole) is a signature…