On Aug 18, 1:33*pm, Jason wrote:
I have an attic fan that I would like to control either via the
thermostat or manually. *I'd like to connect a single pole, triple
throw or single pole, center off switch (SPTT/SPCO) to control the
fan. *Does anyone make something like this that would look ok for a
home wall installation? *Most I've seen look like a hobby electrical
kit's toggle switch.

Doesn't the thermostat have settings for On, Off ,Auto?

If not, get one that does.