Kohler K-1913 Guide D'installation page 19

Attach the water supply to accumulator.
10. Attach the Water Supply to the Accumulator
All Installations
Attach the water supply line to the water accumulator at the inlet (3/4" NPT).
Move the drain line out of the way if the drip tray needs to be reinstalled.
Kohler Co.
3/4" NPT
Accumulator
Fitting
(supplied)
19
Drip Tray
Clamp
Drain Line
Cable
Tie
1128532-2-C