Is the heater included? what is the total power requirment?A. The Kohler K-1157 Proflex 6 Foot Drop In/Alcove Jetted Tub with Left Hand Drain does not come with a heater. The K-1157H does include a heater and requires two dedicated 120 volt lines at 15 amps each
Does the k-1157 come with a center drain and left sided moter mount?A. The Kohler K-1157 does not have a center drain variation.