I sent a support message asing how I can can turn 1 heat and one cool to noth heat , the ansswer was , the question was was actually was "Hello,
Please note that ITC-308 is a heating socket and a cooling socket.
If the total power of the two heaters does not exceed the limit of 308, we suggest that you can plug a power strip into the heating socket, plug the two heaters into the power strip, and control the switch of the two heaters at the same time.
Thanks
Cassie’
I have searched but I can not find the answer the fermenterrs are inside so the need for a looling would now ever really needed, … Thank your