Kohler K-5548-K1-TT Guía De Instalación Y Cuidado página 15

Install the Adapter – Dual Steam Head (cont.)
Connect the 78" (1981 mm) black straight-through cable to the
output side of the 3-way coupler and the second generator.
Connect the temperature sensor wire to the corresponding port
on the steam adapter.
Connect the data cable to the steam adapter and route the cable
to the controller installation location.
Kohler Co. 15 1235393-2-E