Quote Originally Posted by Flagg
Yes they can be used on the same thermostat, as long as you aren't trying to get the same temps on both pieces.
This is the key and seems that it would only work if you were not trying to establish the same temps.

I hope this clarifies for others if they expect that 11" and 3" flex will heat to equal temps hooked up to the same t-stat.

Setups differ and obvioulsy people can manage their setups in differnt ways