Aside from the possibility of backflow from either source, the duct attached
to the kitchen exhaust would have been sized for the CFM flow of the kitchen
unit, not the combined flow of both the kitchen and bathroom fans, so it
would be to small to carry both at the same time without reduction in air
flow



wrote in message
...
RBM rbm2(remove wrote:

... You must vent the unit to the outside and you
cannot connect it to a kitchen exhaust unit vent

Who sez? Why?

Nick