Kohler K-1913 Homeowner's Manual page 4

Bath Features (cont.)
Accumulator - A small tank located on the back of the bath that produces the sheet flow action
observed while the bath is filling. A small drain line empties the tank to the receptor after every use.
Level Sensors - The sensors monitor the water level in the bath. When the water level is above the
sensors, the door seal will not deflate and the door will not lower.
Heated Surface (if equipped) - Warms your back and neck with adjustable heat.
1128532-5-H 4 Kohler Co.